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media.php (117388B)


      1 <?php
      2 /**
      3  * WordPress Administration Media API.
      4  *
      5  * @package WordPress
      6  * @subpackage Administration
      7  */
      8 
      9 /**
     10  * Defines the default media upload tabs
     11  *
     12  * @since 2.5.0
     13  *
     14  * @return string[] Default tabs.
     15  */
     16 function media_upload_tabs() {
     17 	$_default_tabs = array(
     18 		'type'     => __( 'From Computer' ), // Handler action suffix => tab text.
     19 		'type_url' => __( 'From URL' ),
     20 		'gallery'  => __( 'Gallery' ),
     21 		'library'  => __( 'Media Library' ),
     22 	);
     23 
     24 	/**
     25 	 * Filters the available tabs in the legacy (pre-3.5.0) media popup.
     26 	 *
     27 	 * @since 2.5.0
     28 	 *
     29 	 * @param string[] $_default_tabs An array of media tabs.
     30 	 */
     31 	return apply_filters( 'media_upload_tabs', $_default_tabs );
     32 }
     33 
     34 /**
     35  * Adds the gallery tab back to the tabs array if post has image attachments
     36  *
     37  * @since 2.5.0
     38  *
     39  * @global wpdb $wpdb WordPress database abstraction object.
     40  *
     41  * @param array $tabs
     42  * @return array $tabs with gallery if post has image attachment
     43  */
     44 function update_gallery_tab( $tabs ) {
     45 	global $wpdb;
     46 
     47 	if ( ! isset( $_REQUEST['post_id'] ) ) {
     48 		unset( $tabs['gallery'] );
     49 		return $tabs;
     50 	}
     51 
     52 	$post_id = (int) $_REQUEST['post_id'];
     53 
     54 	if ( $post_id ) {
     55 		$attachments = (int) $wpdb->get_var( $wpdb->prepare( "SELECT count(*) FROM $wpdb->posts WHERE post_type = 'attachment' AND post_status != 'trash' AND post_parent = %d", $post_id ) );
     56 	}
     57 
     58 	if ( empty( $attachments ) ) {
     59 		unset( $tabs['gallery'] );
     60 		return $tabs;
     61 	}
     62 
     63 	/* translators: %s: Number of attachments. */
     64 	$tabs['gallery'] = sprintf( __( 'Gallery (%s)' ), "<span id='attachments-count'>$attachments</span>" );
     65 
     66 	return $tabs;
     67 }
     68 
     69 /**
     70  * Outputs the legacy media upload tabs UI.
     71  *
     72  * @since 2.5.0
     73  *
     74  * @global string $redir_tab
     75  */
     76 function the_media_upload_tabs() {
     77 	global $redir_tab;
     78 	$tabs    = media_upload_tabs();
     79 	$default = 'type';
     80 
     81 	if ( ! empty( $tabs ) ) {
     82 		echo "<ul id='sidemenu'>\n";
     83 
     84 		if ( isset( $redir_tab ) && array_key_exists( $redir_tab, $tabs ) ) {
     85 			$current = $redir_tab;
     86 		} elseif ( isset( $_GET['tab'] ) && array_key_exists( $_GET['tab'], $tabs ) ) {
     87 			$current = $_GET['tab'];
     88 		} else {
     89 			/** This filter is documented in wp-admin/media-upload.php */
     90 			$current = apply_filters( 'media_upload_default_tab', $default );
     91 		}
     92 
     93 		foreach ( $tabs as $callback => $text ) {
     94 			$class = '';
     95 
     96 			if ( $current == $callback ) {
     97 				$class = " class='current'";
     98 			}
     99 
    100 			$href = add_query_arg(
    101 				array(
    102 					'tab'            => $callback,
    103 					's'              => false,
    104 					'paged'          => false,
    105 					'post_mime_type' => false,
    106 					'm'              => false,
    107 				)
    108 			);
    109 			$link = "<a href='" . esc_url( $href ) . "'$class>$text</a>";
    110 			echo "\t<li id='" . esc_attr( "tab-$callback" ) . "'>$link</li>\n";
    111 		}
    112 
    113 		echo "</ul>\n";
    114 	}
    115 }
    116 
    117 /**
    118  * Retrieves the image HTML to send to the editor.
    119  *
    120  * @since 2.5.0
    121  *
    122  * @param int          $id      Image attachment ID.
    123  * @param string       $caption Image caption.
    124  * @param string       $title   Image title attribute.
    125  * @param string       $align   Image CSS alignment property.
    126  * @param string       $url     Optional. Image src URL. Default empty.
    127  * @param bool|string  $rel     Optional. Value for rel attribute or whether to add a default value. Default false.
    128  * @param string|int[] $size    Optional. Image size. Accepts any registered image size name, or an array of
    129  *                              width and height values in pixels (in that order). Default 'medium'.
    130  * @param string       $alt     Optional. Image alt attribute. Default empty.
    131  * @return string The HTML output to insert into the editor.
    132  */
    133 function get_image_send_to_editor( $id, $caption, $title, $align, $url = '', $rel = false, $size = 'medium', $alt = '' ) {
    134 
    135 	$html = get_image_tag( $id, $alt, '', $align, $size );
    136 
    137 	if ( $rel ) {
    138 		if ( is_string( $rel ) ) {
    139 			$rel = ' rel="' . esc_attr( $rel ) . '"';
    140 		} else {
    141 			$rel = ' rel="attachment wp-att-' . (int) $id . '"';
    142 		}
    143 	} else {
    144 		$rel = '';
    145 	}
    146 
    147 	if ( $url ) {
    148 		$html = '<a href="' . esc_attr( $url ) . '"' . $rel . '>' . $html . '</a>';
    149 	}
    150 
    151 	/**
    152 	 * Filters the image HTML markup to send to the editor when inserting an image.
    153 	 *
    154 	 * @since 2.5.0
    155 	 * @since 5.6.0 The `$rel` parameter was added.
    156 	 *
    157 	 * @param string       $html    The image HTML markup to send.
    158 	 * @param int          $id      The attachment ID.
    159 	 * @param string       $caption The image caption.
    160 	 * @param string       $title   The image title.
    161 	 * @param string       $align   The image alignment.
    162 	 * @param string       $url     The image source URL.
    163 	 * @param string|int[] $size    Requested image size. Can be any registered image size name, or
    164 	 *                              an array of width and height values in pixels (in that order).
    165 	 * @param string       $alt     The image alternative, or alt, text.
    166 	 * @param string       $rel     The image rel attribute.
    167 	 */
    168 	$html = apply_filters( 'image_send_to_editor', $html, $id, $caption, $title, $align, $url, $size, $alt, $rel );
    169 
    170 	return $html;
    171 }
    172 
    173 /**
    174  * Adds image shortcode with caption to editor.
    175  *
    176  * @since 2.6.0
    177  *
    178  * @param string  $html    The image HTML markup to send.
    179  * @param int     $id      Image attachment ID.
    180  * @param string  $caption Image caption.
    181  * @param string  $title   Image title attribute (not used).
    182  * @param string  $align   Image CSS alignment property.
    183  * @param string  $url     Image source URL (not used).
    184  * @param string  $size    Image size (not used).
    185  * @param string  $alt     Image `alt` attribute (not used).
    186  * @return string The image HTML markup with caption shortcode.
    187  */
    188 function image_add_caption( $html, $id, $caption, $title, $align, $url, $size, $alt = '' ) {
    189 
    190 	/**
    191 	 * Filters the caption text.
    192 	 *
    193 	 * Note: If the caption text is empty, the caption shortcode will not be appended
    194 	 * to the image HTML when inserted into the editor.
    195 	 *
    196 	 * Passing an empty value also prevents the {@see 'image_add_caption_shortcode'}
    197 	 * Filters from being evaluated at the end of image_add_caption().
    198 	 *
    199 	 * @since 4.1.0
    200 	 *
    201 	 * @param string $caption The original caption text.
    202 	 * @param int    $id      The attachment ID.
    203 	 */
    204 	$caption = apply_filters( 'image_add_caption_text', $caption, $id );
    205 
    206 	/**
    207 	 * Filters whether to disable captions.
    208 	 *
    209 	 * Prevents image captions from being appended to image HTML when inserted into the editor.
    210 	 *
    211 	 * @since 2.6.0
    212 	 *
    213 	 * @param bool $bool Whether to disable appending captions. Returning true from the filter
    214 	 *                   will disable captions. Default empty string.
    215 	 */
    216 	if ( empty( $caption ) || apply_filters( 'disable_captions', '' ) ) {
    217 		return $html;
    218 	}
    219 
    220 	$id = ( 0 < (int) $id ) ? 'attachment_' . $id : '';
    221 
    222 	if ( ! preg_match( '/width=["\']([0-9]+)/', $html, $matches ) ) {
    223 		return $html;
    224 	}
    225 
    226 	$width = $matches[1];
    227 
    228 	$caption = str_replace( array( "\r\n", "\r" ), "\n", $caption );
    229 	$caption = preg_replace_callback( '/<[a-zA-Z0-9]+(?: [^<>]+>)*/', '_cleanup_image_add_caption', $caption );
    230 
    231 	// Convert any remaining line breaks to <br />.
    232 	$caption = preg_replace( '/[ \n\t]*\n[ \t]*/', '<br />', $caption );
    233 
    234 	$html = preg_replace( '/(class=["\'][^\'"]*)align(none|left|right|center)\s?/', '$1', $html );
    235 	if ( empty( $align ) ) {
    236 		$align = 'none';
    237 	}
    238 
    239 	$shcode = '[caption id="' . $id . '" align="align' . $align . '" width="' . $width . '"]' . $html . ' ' . $caption . '[/caption]';
    240 
    241 	/**
    242 	 * Filters the image HTML markup including the caption shortcode.
    243 	 *
    244 	 * @since 2.6.0
    245 	 *
    246 	 * @param string $shcode The image HTML markup with caption shortcode.
    247 	 * @param string $html   The image HTML markup.
    248 	 */
    249 	return apply_filters( 'image_add_caption_shortcode', $shcode, $html );
    250 }
    251 
    252 /**
    253  * Private preg_replace callback used in image_add_caption().
    254  *
    255  * @access private
    256  * @since 3.4.0
    257  */
    258 function _cleanup_image_add_caption( $matches ) {
    259 	// Remove any line breaks from inside the tags.
    260 	return preg_replace( '/[\r\n\t]+/', ' ', $matches[0] );
    261 }
    262 
    263 /**
    264  * Adds image HTML to editor.
    265  *
    266  * @since 2.5.0
    267  *
    268  * @param string $html
    269  */
    270 function media_send_to_editor( $html ) {
    271 	?>
    272 	<script type="text/javascript">
    273 	var win = window.dialogArguments || opener || parent || top;
    274 	win.send_to_editor( <?php echo wp_json_encode( $html ); ?> );
    275 	</script>
    276 	<?php
    277 	exit;
    278 }
    279 
    280 /**
    281  * Saves a file submitted from a POST request and create an attachment post for it.
    282  *
    283  * @since 2.5.0
    284  *
    285  * @param string $file_id   Index of the `$_FILES` array that the file was sent. Required.
    286  * @param int    $post_id   The post ID of a post to attach the media item to. Required, but can
    287  *                          be set to 0, creating a media item that has no relationship to a post.
    288  * @param array  $post_data Optional. Overwrite some of the attachment.
    289  * @param array  $overrides Optional. Override the wp_handle_upload() behavior.
    290  * @return int|WP_Error ID of the attachment or a WP_Error object on failure.
    291  */
    292 function media_handle_upload( $file_id, $post_id, $post_data = array(), $overrides = array( 'test_form' => false ) ) {
    293 	$time = current_time( 'mysql' );
    294 	$post = get_post( $post_id );
    295 
    296 	if ( $post ) {
    297 		// The post date doesn't usually matter for pages, so don't backdate this upload.
    298 		if ( 'page' !== $post->post_type && substr( $post->post_date, 0, 4 ) > 0 ) {
    299 			$time = $post->post_date;
    300 		}
    301 	}
    302 
    303 	$file = wp_handle_upload( $_FILES[ $file_id ], $overrides, $time );
    304 
    305 	if ( isset( $file['error'] ) ) {
    306 		return new WP_Error( 'upload_error', $file['error'] );
    307 	}
    308 
    309 	$name = $_FILES[ $file_id ]['name'];
    310 	$ext  = pathinfo( $name, PATHINFO_EXTENSION );
    311 	$name = wp_basename( $name, ".$ext" );
    312 
    313 	$url     = $file['url'];
    314 	$type    = $file['type'];
    315 	$file    = $file['file'];
    316 	$title   = sanitize_text_field( $name );
    317 	$content = '';
    318 	$excerpt = '';
    319 
    320 	if ( preg_match( '#^audio#', $type ) ) {
    321 		$meta = wp_read_audio_metadata( $file );
    322 
    323 		if ( ! empty( $meta['title'] ) ) {
    324 			$title = $meta['title'];
    325 		}
    326 
    327 		if ( ! empty( $title ) ) {
    328 
    329 			if ( ! empty( $meta['album'] ) && ! empty( $meta['artist'] ) ) {
    330 				/* translators: 1: Audio track title, 2: Album title, 3: Artist name. */
    331 				$content .= sprintf( __( '"%1$s" from %2$s by %3$s.' ), $title, $meta['album'], $meta['artist'] );
    332 			} elseif ( ! empty( $meta['album'] ) ) {
    333 				/* translators: 1: Audio track title, 2: Album title. */
    334 				$content .= sprintf( __( '"%1$s" from %2$s.' ), $title, $meta['album'] );
    335 			} elseif ( ! empty( $meta['artist'] ) ) {
    336 				/* translators: 1: Audio track title, 2: Artist name. */
    337 				$content .= sprintf( __( '"%1$s" by %2$s.' ), $title, $meta['artist'] );
    338 			} else {
    339 				/* translators: %s: Audio track title. */
    340 				$content .= sprintf( __( '"%s".' ), $title );
    341 			}
    342 		} elseif ( ! empty( $meta['album'] ) ) {
    343 
    344 			if ( ! empty( $meta['artist'] ) ) {
    345 				/* translators: 1: Audio album title, 2: Artist name. */
    346 				$content .= sprintf( __( '%1$s by %2$s.' ), $meta['album'], $meta['artist'] );
    347 			} else {
    348 				$content .= $meta['album'] . '.';
    349 			}
    350 		} elseif ( ! empty( $meta['artist'] ) ) {
    351 
    352 			$content .= $meta['artist'] . '.';
    353 
    354 		}
    355 
    356 		if ( ! empty( $meta['year'] ) ) {
    357 			/* translators: Audio file track information. %d: Year of audio track release. */
    358 			$content .= ' ' . sprintf( __( 'Released: %d.' ), $meta['year'] );
    359 		}
    360 
    361 		if ( ! empty( $meta['track_number'] ) ) {
    362 			$track_number = explode( '/', $meta['track_number'] );
    363 
    364 			if ( isset( $track_number[1] ) ) {
    365 				/* translators: Audio file track information. 1: Audio track number, 2: Total audio tracks. */
    366 				$content .= ' ' . sprintf( __( 'Track %1$s of %2$s.' ), number_format_i18n( $track_number[0] ), number_format_i18n( $track_number[1] ) );
    367 			} else {
    368 				/* translators: Audio file track information. %s: Audio track number. */
    369 				$content .= ' ' . sprintf( __( 'Track %s.' ), number_format_i18n( $track_number[0] ) );
    370 			}
    371 		}
    372 
    373 		if ( ! empty( $meta['genre'] ) ) {
    374 			/* translators: Audio file genre information. %s: Audio genre name. */
    375 			$content .= ' ' . sprintf( __( 'Genre: %s.' ), $meta['genre'] );
    376 		}
    377 
    378 		// Use image exif/iptc data for title and caption defaults if possible.
    379 	} elseif ( 0 === strpos( $type, 'image/' ) ) {
    380 		$image_meta = wp_read_image_metadata( $file );
    381 
    382 		if ( $image_meta ) {
    383 			if ( trim( $image_meta['title'] ) && ! is_numeric( sanitize_title( $image_meta['title'] ) ) ) {
    384 				$title = $image_meta['title'];
    385 			}
    386 
    387 			if ( trim( $image_meta['caption'] ) ) {
    388 				$excerpt = $image_meta['caption'];
    389 			}
    390 		}
    391 	}
    392 
    393 	// Construct the attachment array.
    394 	$attachment = array_merge(
    395 		array(
    396 			'post_mime_type' => $type,
    397 			'guid'           => $url,
    398 			'post_parent'    => $post_id,
    399 			'post_title'     => $title,
    400 			'post_content'   => $content,
    401 			'post_excerpt'   => $excerpt,
    402 		),
    403 		$post_data
    404 	);
    405 
    406 	// This should never be set as it would then overwrite an existing attachment.
    407 	unset( $attachment['ID'] );
    408 
    409 	// Save the data.
    410 	$attachment_id = wp_insert_attachment( $attachment, $file, $post_id, true );
    411 
    412 	if ( ! is_wp_error( $attachment_id ) ) {
    413 		// Set a custom header with the attachment_id.
    414 		// Used by the browser/client to resume creating image sub-sizes after a PHP fatal error.
    415 		if ( ! headers_sent() ) {
    416 			header( 'X-WP-Upload-Attachment-ID: ' . $attachment_id );
    417 		}
    418 
    419 		// The image sub-sizes are created during wp_generate_attachment_metadata().
    420 		// This is generally slow and may cause timeouts or out of memory errors.
    421 		wp_update_attachment_metadata( $attachment_id, wp_generate_attachment_metadata( $attachment_id, $file ) );
    422 	}
    423 
    424 	return $attachment_id;
    425 }
    426 
    427 /**
    428  * Handles a side-loaded file in the same way as an uploaded file is handled by media_handle_upload().
    429  *
    430  * @since 2.6.0
    431  * @since 5.3.0 The `$post_id` parameter was made optional.
    432  *
    433  * @param string[] $file_array Array that represents a `$_FILES` upload array.
    434  * @param int      $post_id    Optional. The post ID the media is associated with.
    435  * @param string   $desc       Optional. Description of the side-loaded file. Default null.
    436  * @param array    $post_data  Optional. Post data to override. Default empty array.
    437  * @return int|WP_Error The ID of the attachment or a WP_Error on failure.
    438  */
    439 function media_handle_sideload( $file_array, $post_id = 0, $desc = null, $post_data = array() ) {
    440 	$overrides = array( 'test_form' => false );
    441 
    442 	if ( isset( $post_data['post_date'] ) && substr( $post_data['post_date'], 0, 4 ) > 0 ) {
    443 		$time = $post_data['post_date'];
    444 	} else {
    445 		$post = get_post( $post_id );
    446 		if ( $post && substr( $post->post_date, 0, 4 ) > 0 ) {
    447 			$time = $post->post_date;
    448 		} else {
    449 			$time = current_time( 'mysql' );
    450 		}
    451 	}
    452 
    453 	$file = wp_handle_sideload( $file_array, $overrides, $time );
    454 
    455 	if ( isset( $file['error'] ) ) {
    456 		return new WP_Error( 'upload_error', $file['error'] );
    457 	}
    458 
    459 	$url     = $file['url'];
    460 	$type    = $file['type'];
    461 	$file    = $file['file'];
    462 	$title   = preg_replace( '/\.[^.]+$/', '', wp_basename( $file ) );
    463 	$content = '';
    464 
    465 	// Use image exif/iptc data for title and caption defaults if possible.
    466 	$image_meta = wp_read_image_metadata( $file );
    467 
    468 	if ( $image_meta ) {
    469 		if ( trim( $image_meta['title'] ) && ! is_numeric( sanitize_title( $image_meta['title'] ) ) ) {
    470 			$title = $image_meta['title'];
    471 		}
    472 
    473 		if ( trim( $image_meta['caption'] ) ) {
    474 			$content = $image_meta['caption'];
    475 		}
    476 	}
    477 
    478 	if ( isset( $desc ) ) {
    479 		$title = $desc;
    480 	}
    481 
    482 	// Construct the attachment array.
    483 	$attachment = array_merge(
    484 		array(
    485 			'post_mime_type' => $type,
    486 			'guid'           => $url,
    487 			'post_parent'    => $post_id,
    488 			'post_title'     => $title,
    489 			'post_content'   => $content,
    490 		),
    491 		$post_data
    492 	);
    493 
    494 	// This should never be set as it would then overwrite an existing attachment.
    495 	unset( $attachment['ID'] );
    496 
    497 	// Save the attachment metadata.
    498 	$attachment_id = wp_insert_attachment( $attachment, $file, $post_id, true );
    499 
    500 	if ( ! is_wp_error( $attachment_id ) ) {
    501 		wp_update_attachment_metadata( $attachment_id, wp_generate_attachment_metadata( $attachment_id, $file ) );
    502 	}
    503 
    504 	return $attachment_id;
    505 }
    506 
    507 /**
    508  * Outputs the iframe to display the media upload page.
    509  *
    510  * @since 2.5.0
    511  * @since 5.3.0 Formalized the existing and already documented `...$args` parameter
    512  *              by adding it to the function signature.
    513  *
    514  * @global int $body_id
    515  *
    516  * @param callable $content_func Function that outputs the content.
    517  * @param mixed    ...$args      Optional additional parameters to pass to the callback function when it's called.
    518  */
    519 function wp_iframe( $content_func, ...$args ) {
    520 	_wp_admin_html_begin();
    521 	?>
    522 	<title><?php bloginfo( 'name' ); ?> &rsaquo; <?php _e( 'Uploads' ); ?> &#8212; <?php _e( 'WordPress' ); ?></title>
    523 	<?php
    524 
    525 	wp_enqueue_style( 'colors' );
    526 	// Check callback name for 'media'.
    527 	if (
    528 		( is_array( $content_func ) && ! empty( $content_func[1] ) && 0 === strpos( (string) $content_func[1], 'media' ) ) ||
    529 		( ! is_array( $content_func ) && 0 === strpos( $content_func, 'media' ) )
    530 	) {
    531 		wp_enqueue_style( 'deprecated-media' );
    532 	}
    533 
    534 	?>
    535 	<script type="text/javascript">
    536 	addLoadEvent = function(func){if(typeof jQuery!=='undefined')jQuery(document).ready(func);else if(typeof wpOnload!=='function'){wpOnload=func;}else{var oldonload=wpOnload;wpOnload=function(){oldonload();func();}}};
    537 	var ajaxurl = '<?php echo esc_js( admin_url( 'admin-ajax.php', 'relative' ) ); ?>', pagenow = 'media-upload-popup', adminpage = 'media-upload-popup',
    538 	isRtl = <?php echo (int) is_rtl(); ?>;
    539 	</script>
    540 	<?php
    541 	/** This action is documented in wp-admin/admin-header.php */
    542 	do_action( 'admin_enqueue_scripts', 'media-upload-popup' );
    543 
    544 	/**
    545 	 * Fires when admin styles enqueued for the legacy (pre-3.5.0) media upload popup are printed.
    546 	 *
    547 	 * @since 2.9.0
    548 	 */
    549 	do_action( 'admin_print_styles-media-upload-popup' );  // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
    550 
    551 	/** This action is documented in wp-admin/admin-header.php */
    552 	do_action( 'admin_print_styles' );
    553 
    554 	/**
    555 	 * Fires when admin scripts enqueued for the legacy (pre-3.5.0) media upload popup are printed.
    556 	 *
    557 	 * @since 2.9.0
    558 	 */
    559 	do_action( 'admin_print_scripts-media-upload-popup' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
    560 
    561 	/** This action is documented in wp-admin/admin-header.php */
    562 	do_action( 'admin_print_scripts' );
    563 
    564 	/**
    565 	 * Fires when scripts enqueued for the admin header for the legacy (pre-3.5.0)
    566 	 * media upload popup are printed.
    567 	 *
    568 	 * @since 2.9.0
    569 	 */
    570 	do_action( 'admin_head-media-upload-popup' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
    571 
    572 	/** This action is documented in wp-admin/admin-header.php */
    573 	do_action( 'admin_head' );
    574 
    575 	if ( is_string( $content_func ) ) {
    576 		/**
    577 		 * Fires in the admin header for each specific form tab in the legacy
    578 		 * (pre-3.5.0) media upload popup.
    579 		 *
    580 		 * The dynamic portion of the hook, `$content_func`, refers to the form
    581 		 * callback for the media upload type. Possible values include
    582 		 * 'media_upload_type_form', 'media_upload_type_url_form', and
    583 		 * 'media_upload_library_form'.
    584 		 *
    585 		 * @since 2.5.0
    586 		 */
    587 		do_action( "admin_head_{$content_func}" );
    588 	}
    589 
    590 	$body_id_attr = '';
    591 
    592 	if ( isset( $GLOBALS['body_id'] ) ) {
    593 		$body_id_attr = ' id="' . $GLOBALS['body_id'] . '"';
    594 	}
    595 
    596 	?>
    597 	</head>
    598 	<body<?php echo $body_id_attr; ?> class="wp-core-ui no-js">
    599 	<script type="text/javascript">
    600 	document.body.className = document.body.className.replace('no-js', 'js');
    601 	</script>
    602 	<?php
    603 
    604 	call_user_func_array( $content_func, $args );
    605 
    606 	/** This action is documented in wp-admin/admin-footer.php */
    607 	do_action( 'admin_print_footer_scripts' );
    608 
    609 	?>
    610 	<script type="text/javascript">if(typeof wpOnload==='function')wpOnload();</script>
    611 	</body>
    612 	</html>
    613 	<?php
    614 }
    615 
    616 /**
    617  * Adds the media button to the editor
    618  *
    619  * @since 2.5.0
    620  *
    621  * @global int $post_ID
    622  *
    623  * @param string $editor_id
    624  */
    625 function media_buttons( $editor_id = 'content' ) {
    626 	static $instance = 0;
    627 	$instance++;
    628 
    629 	$post = get_post();
    630 
    631 	if ( ! $post && ! empty( $GLOBALS['post_ID'] ) ) {
    632 		$post = $GLOBALS['post_ID'];
    633 	}
    634 
    635 	wp_enqueue_media( array( 'post' => $post ) );
    636 
    637 	$img = '<span class="wp-media-buttons-icon"></span> ';
    638 
    639 	$id_attribute = 1 === $instance ? ' id="insert-media-button"' : '';
    640 
    641 	printf(
    642 		'<button type="button"%s class="button insert-media add_media" data-editor="%s">%s</button>',
    643 		$id_attribute,
    644 		esc_attr( $editor_id ),
    645 		$img . __( 'Add Media' )
    646 	);
    647 
    648 	/**
    649 	 * Filters the legacy (pre-3.5.0) media buttons.
    650 	 *
    651 	 * Use {@see 'media_buttons'} action instead.
    652 	 *
    653 	 * @since 2.5.0
    654 	 * @deprecated 3.5.0 Use {@see 'media_buttons'} action instead.
    655 	 *
    656 	 * @param string $string Media buttons context. Default empty.
    657 	 */
    658 	$legacy_filter = apply_filters_deprecated( 'media_buttons_context', array( '' ), '3.5.0', 'media_buttons' );
    659 
    660 	if ( $legacy_filter ) {
    661 		// #WP22559. Close <a> if a plugin started by closing <a> to open their own <a> tag.
    662 		if ( 0 === stripos( trim( $legacy_filter ), '</a>' ) ) {
    663 			$legacy_filter .= '</a>';
    664 		}
    665 		echo $legacy_filter;
    666 	}
    667 }
    668 
    669 /**
    670  * @global int $post_ID
    671  * @param string $type
    672  * @param int    $post_id
    673  * @param string $tab
    674  * @return string
    675  */
    676 function get_upload_iframe_src( $type = null, $post_id = null, $tab = null ) {
    677 	global $post_ID;
    678 
    679 	if ( empty( $post_id ) ) {
    680 		$post_id = $post_ID;
    681 	}
    682 
    683 	$upload_iframe_src = add_query_arg( 'post_id', (int) $post_id, admin_url( 'media-upload.php' ) );
    684 
    685 	if ( $type && 'media' !== $type ) {
    686 		$upload_iframe_src = add_query_arg( 'type', $type, $upload_iframe_src );
    687 	}
    688 
    689 	if ( ! empty( $tab ) ) {
    690 		$upload_iframe_src = add_query_arg( 'tab', $tab, $upload_iframe_src );
    691 	}
    692 
    693 	/**
    694 	 * Filters the upload iframe source URL for a specific media type.
    695 	 *
    696 	 * The dynamic portion of the hook name, `$type`, refers to the type
    697 	 * of media uploaded.
    698 	 *
    699 	 * Possible hook names include:
    700 	 *
    701 	 *  - `image_upload_iframe_src`
    702 	 *  - `media_upload_iframe_src`
    703 	 *
    704 	 * @since 3.0.0
    705 	 *
    706 	 * @param string $upload_iframe_src The upload iframe source URL.
    707 	 */
    708 	$upload_iframe_src = apply_filters( "{$type}_upload_iframe_src", $upload_iframe_src );
    709 
    710 	return add_query_arg( 'TB_iframe', true, $upload_iframe_src );
    711 }
    712 
    713 /**
    714  * Handles form submissions for the legacy media uploader.
    715  *
    716  * @since 2.5.0
    717  *
    718  * @return mixed void|object WP_Error on failure
    719  */
    720 function media_upload_form_handler() {
    721 	check_admin_referer( 'media-form' );
    722 
    723 	$errors = null;
    724 
    725 	if ( isset( $_POST['send'] ) ) {
    726 		$keys    = array_keys( $_POST['send'] );
    727 		$send_id = (int) reset( $keys );
    728 	}
    729 
    730 	if ( ! empty( $_POST['attachments'] ) ) {
    731 		foreach ( $_POST['attachments'] as $attachment_id => $attachment ) {
    732 			$post  = get_post( $attachment_id, ARRAY_A );
    733 			$_post = $post;
    734 
    735 			if ( ! current_user_can( 'edit_post', $attachment_id ) ) {
    736 				continue;
    737 			}
    738 
    739 			if ( isset( $attachment['post_content'] ) ) {
    740 				$post['post_content'] = $attachment['post_content'];
    741 			}
    742 
    743 			if ( isset( $attachment['post_title'] ) ) {
    744 				$post['post_title'] = $attachment['post_title'];
    745 			}
    746 
    747 			if ( isset( $attachment['post_excerpt'] ) ) {
    748 				$post['post_excerpt'] = $attachment['post_excerpt'];
    749 			}
    750 
    751 			if ( isset( $attachment['menu_order'] ) ) {
    752 				$post['menu_order'] = $attachment['menu_order'];
    753 			}
    754 
    755 			if ( isset( $send_id ) && $attachment_id == $send_id ) {
    756 				if ( isset( $attachment['post_parent'] ) ) {
    757 					$post['post_parent'] = $attachment['post_parent'];
    758 				}
    759 			}
    760 
    761 			/**
    762 			 * Filters the attachment fields to be saved.
    763 			 *
    764 			 * @since 2.5.0
    765 			 *
    766 			 * @see wp_get_attachment_metadata()
    767 			 *
    768 			 * @param array $post       An array of post data.
    769 			 * @param array $attachment An array of attachment metadata.
    770 			 */
    771 			$post = apply_filters( 'attachment_fields_to_save', $post, $attachment );
    772 
    773 			if ( isset( $attachment['image_alt'] ) ) {
    774 				$image_alt = wp_unslash( $attachment['image_alt'] );
    775 
    776 				if ( get_post_meta( $attachment_id, '_wp_attachment_image_alt', true ) !== $image_alt ) {
    777 					$image_alt = wp_strip_all_tags( $image_alt, true );
    778 
    779 					// update_post_meta() expects slashed.
    780 					update_post_meta( $attachment_id, '_wp_attachment_image_alt', wp_slash( $image_alt ) );
    781 				}
    782 			}
    783 
    784 			if ( isset( $post['errors'] ) ) {
    785 				$errors[ $attachment_id ] = $post['errors'];
    786 				unset( $post['errors'] );
    787 			}
    788 
    789 			if ( $post != $_post ) {
    790 				wp_update_post( $post );
    791 			}
    792 
    793 			foreach ( get_attachment_taxonomies( $post ) as $t ) {
    794 				if ( isset( $attachment[ $t ] ) ) {
    795 					wp_set_object_terms( $attachment_id, array_map( 'trim', preg_split( '/,+/', $attachment[ $t ] ) ), $t, false );
    796 				}
    797 			}
    798 		}
    799 	}
    800 
    801 	if ( isset( $_POST['insert-gallery'] ) || isset( $_POST['update-gallery'] ) ) {
    802 		?>
    803 		<script type="text/javascript">
    804 		var win = window.dialogArguments || opener || parent || top;
    805 		win.tb_remove();
    806 		</script>
    807 		<?php
    808 
    809 		exit;
    810 	}
    811 
    812 	if ( isset( $send_id ) ) {
    813 		$attachment = wp_unslash( $_POST['attachments'][ $send_id ] );
    814 		$html       = isset( $attachment['post_title'] ) ? $attachment['post_title'] : '';
    815 
    816 		if ( ! empty( $attachment['url'] ) ) {
    817 			$rel = '';
    818 
    819 			if ( strpos( $attachment['url'], 'attachment_id' ) || get_attachment_link( $send_id ) == $attachment['url'] ) {
    820 				$rel = " rel='attachment wp-att-" . esc_attr( $send_id ) . "'";
    821 			}
    822 
    823 			$html = "<a href='{$attachment['url']}'$rel>$html</a>";
    824 		}
    825 
    826 		/**
    827 		 * Filters the HTML markup for a media item sent to the editor.
    828 		 *
    829 		 * @since 2.5.0
    830 		 *
    831 		 * @see wp_get_attachment_metadata()
    832 		 *
    833 		 * @param string $html       HTML markup for a media item sent to the editor.
    834 		 * @param int    $send_id    The first key from the $_POST['send'] data.
    835 		 * @param array  $attachment Array of attachment metadata.
    836 		 */
    837 		$html = apply_filters( 'media_send_to_editor', $html, $send_id, $attachment );
    838 
    839 		return media_send_to_editor( $html );
    840 	}
    841 
    842 	return $errors;
    843 }
    844 
    845 /**
    846  * Handles the process of uploading media.
    847  *
    848  * @since 2.5.0
    849  *
    850  * @return null|string
    851  */
    852 function wp_media_upload_handler() {
    853 	$errors = array();
    854 	$id     = 0;
    855 
    856 	if ( isset( $_POST['html-upload'] ) && ! empty( $_FILES ) ) {
    857 		check_admin_referer( 'media-form' );
    858 		// Upload File button was clicked.
    859 		$id = media_handle_upload( 'async-upload', $_REQUEST['post_id'] );
    860 		unset( $_FILES );
    861 
    862 		if ( is_wp_error( $id ) ) {
    863 			$errors['upload_error'] = $id;
    864 			$id                     = false;
    865 		}
    866 	}
    867 
    868 	if ( ! empty( $_POST['insertonlybutton'] ) ) {
    869 		$src = $_POST['src'];
    870 
    871 		if ( ! empty( $src ) && ! strpos( $src, '://' ) ) {
    872 			$src = "http://$src";
    873 		}
    874 
    875 		if ( isset( $_POST['media_type'] ) && 'image' !== $_POST['media_type'] ) {
    876 			$title = esc_html( wp_unslash( $_POST['title'] ) );
    877 			if ( empty( $title ) ) {
    878 				$title = esc_html( wp_basename( $src ) );
    879 			}
    880 
    881 			if ( $title && $src ) {
    882 				$html = "<a href='" . esc_url( $src ) . "'>$title</a>";
    883 			}
    884 
    885 			$type = 'file';
    886 			$ext  = preg_replace( '/^.+?\.([^.]+)$/', '$1', $src );
    887 
    888 			if ( $ext ) {
    889 				$ext_type = wp_ext2type( $ext );
    890 				if ( 'audio' === $ext_type || 'video' === $ext_type ) {
    891 					$type = $ext_type;
    892 				}
    893 			}
    894 
    895 			/**
    896 			 * Filters the URL sent to the editor for a specific media type.
    897 			 *
    898 			 * The dynamic portion of the hook name, `$type`, refers to the type
    899 			 * of media being sent.
    900 			 *
    901 			 * Possible hook names include:
    902 			 *
    903 			 *  - `audio_send_to_editor_url`
    904 			 *  - `file_send_to_editor_url`
    905 			 *  - `video_send_to_editor_url`
    906 			 *
    907 			 * @since 3.3.0
    908 			 *
    909 			 * @param string $html  HTML markup sent to the editor.
    910 			 * @param string $src   Media source URL.
    911 			 * @param string $title Media title.
    912 			 */
    913 			$html = apply_filters( "{$type}_send_to_editor_url", $html, esc_url_raw( $src ), $title );
    914 		} else {
    915 			$align = '';
    916 			$alt   = esc_attr( wp_unslash( $_POST['alt'] ) );
    917 
    918 			if ( isset( $_POST['align'] ) ) {
    919 				$align = esc_attr( wp_unslash( $_POST['align'] ) );
    920 				$class = " class='align$align'";
    921 			}
    922 
    923 			if ( ! empty( $src ) ) {
    924 				$html = "<img src='" . esc_url( $src ) . "' alt='$alt'$class />";
    925 			}
    926 
    927 			/**
    928 			 * Filters the image URL sent to the editor.
    929 			 *
    930 			 * @since 2.8.0
    931 			 *
    932 			 * @param string $html  HTML markup sent to the editor for an image.
    933 			 * @param string $src   Image source URL.
    934 			 * @param string $alt   Image alternate, or alt, text.
    935 			 * @param string $align The image alignment. Default 'alignnone'. Possible values include
    936 			 *                      'alignleft', 'aligncenter', 'alignright', 'alignnone'.
    937 			 */
    938 			$html = apply_filters( 'image_send_to_editor_url', $html, esc_url_raw( $src ), $alt, $align );
    939 		}
    940 
    941 		return media_send_to_editor( $html );
    942 	}
    943 
    944 	if ( isset( $_POST['save'] ) ) {
    945 		$errors['upload_notice'] = __( 'Saved.' );
    946 		wp_enqueue_script( 'admin-gallery' );
    947 
    948 		return wp_iframe( 'media_upload_gallery_form', $errors );
    949 
    950 	} elseif ( ! empty( $_POST ) ) {
    951 		$return = media_upload_form_handler();
    952 
    953 		if ( is_string( $return ) ) {
    954 			return $return;
    955 		}
    956 
    957 		if ( is_array( $return ) ) {
    958 			$errors = $return;
    959 		}
    960 	}
    961 
    962 	if ( isset( $_GET['tab'] ) && 'type_url' === $_GET['tab'] ) {
    963 		$type = 'image';
    964 
    965 		if ( isset( $_GET['type'] ) && in_array( $_GET['type'], array( 'video', 'audio', 'file' ), true ) ) {
    966 			$type = $_GET['type'];
    967 		}
    968 
    969 		return wp_iframe( 'media_upload_type_url_form', $type, $errors, $id );
    970 	}
    971 
    972 	return wp_iframe( 'media_upload_type_form', 'image', $errors, $id );
    973 }
    974 
    975 /**
    976  * Downloads an image from the specified URL, saves it as an attachment, and optionally attaches it to a post.
    977  *
    978  * @since 2.6.0
    979  * @since 4.2.0 Introduced the `$return` parameter.
    980  * @since 4.8.0 Introduced the 'id' option for the `$return` parameter.
    981  * @since 5.3.0 The `$post_id` parameter was made optional.
    982  * @since 5.4.0 The original URL of the attachment is stored in the `_source_url`
    983  *              post meta value.
    984  *
    985  * @param string $file    The URL of the image to download.
    986  * @param int    $post_id Optional. The post ID the media is to be associated with.
    987  * @param string $desc    Optional. Description of the image.
    988  * @param string $return  Optional. Accepts 'html' (image tag html) or 'src' (URL),
    989  *                        or 'id' (attachment ID). Default 'html'.
    990  * @return string|int|WP_Error Populated HTML img tag, attachment ID, or attachment source
    991  *                             on success, WP_Error object otherwise.
    992  */
    993 function media_sideload_image( $file, $post_id = 0, $desc = null, $return = 'html' ) {
    994 	if ( ! empty( $file ) ) {
    995 
    996 		$allowed_extensions = array( 'jpg', 'jpeg', 'jpe', 'png', 'gif', 'webp' );
    997 
    998 		/**
    999 		 * Filters the list of allowed file extensions when sideloading an image from a URL.
   1000 		 *
   1001 		 * The default allowed extensions are:
   1002 		 *
   1003 		 *  - `jpg`
   1004 		 *  - `jpeg`
   1005 		 *  - `jpe`
   1006 		 *  - `png`
   1007 		 *  - `gif`
   1008 		 *
   1009 		 * @since 5.6.0
   1010 		 *
   1011 		 * @param string[] $allowed_extensions Array of allowed file extensions.
   1012 		 * @param string   $file               The URL of the image to download.
   1013 		 */
   1014 		$allowed_extensions = apply_filters( 'image_sideload_extensions', $allowed_extensions, $file );
   1015 		$allowed_extensions = array_map( 'preg_quote', $allowed_extensions );
   1016 
   1017 		// Set variables for storage, fix file filename for query strings.
   1018 		preg_match( '/[^\?]+\.(' . implode( '|', $allowed_extensions ) . ')\b/i', $file, $matches );
   1019 
   1020 		if ( ! $matches ) {
   1021 			return new WP_Error( 'image_sideload_failed', __( 'Invalid image URL.' ) );
   1022 		}
   1023 
   1024 		$file_array         = array();
   1025 		$file_array['name'] = wp_basename( $matches[0] );
   1026 
   1027 		// Download file to temp location.
   1028 		$file_array['tmp_name'] = download_url( $file );
   1029 
   1030 		// If error storing temporarily, return the error.
   1031 		if ( is_wp_error( $file_array['tmp_name'] ) ) {
   1032 			return $file_array['tmp_name'];
   1033 		}
   1034 
   1035 		// Do the validation and storage stuff.
   1036 		$id = media_handle_sideload( $file_array, $post_id, $desc );
   1037 
   1038 		// If error storing permanently, unlink.
   1039 		if ( is_wp_error( $id ) ) {
   1040 			@unlink( $file_array['tmp_name'] );
   1041 			return $id;
   1042 		}
   1043 
   1044 		// Store the original attachment source in meta.
   1045 		add_post_meta( $id, '_source_url', $file );
   1046 
   1047 		// If attachment ID was requested, return it.
   1048 		if ( 'id' === $return ) {
   1049 			return $id;
   1050 		}
   1051 
   1052 		$src = wp_get_attachment_url( $id );
   1053 	}
   1054 
   1055 	// Finally, check to make sure the file has been saved, then return the HTML.
   1056 	if ( ! empty( $src ) ) {
   1057 		if ( 'src' === $return ) {
   1058 			return $src;
   1059 		}
   1060 
   1061 		$alt  = isset( $desc ) ? esc_attr( $desc ) : '';
   1062 		$html = "<img src='$src' alt='$alt' />";
   1063 
   1064 		return $html;
   1065 	} else {
   1066 		return new WP_Error( 'image_sideload_failed' );
   1067 	}
   1068 }
   1069 
   1070 /**
   1071  * Retrieves the legacy media uploader form in an iframe.
   1072  *
   1073  * @since 2.5.0
   1074  *
   1075  * @return string|null
   1076  */
   1077 function media_upload_gallery() {
   1078 	$errors = array();
   1079 
   1080 	if ( ! empty( $_POST ) ) {
   1081 		$return = media_upload_form_handler();
   1082 
   1083 		if ( is_string( $return ) ) {
   1084 			return $return;
   1085 		}
   1086 
   1087 		if ( is_array( $return ) ) {
   1088 			$errors = $return;
   1089 		}
   1090 	}
   1091 
   1092 	wp_enqueue_script( 'admin-gallery' );
   1093 	return wp_iframe( 'media_upload_gallery_form', $errors );
   1094 }
   1095 
   1096 /**
   1097  * Retrieves the legacy media library form in an iframe.
   1098  *
   1099  * @since 2.5.0
   1100  *
   1101  * @return string|null
   1102  */
   1103 function media_upload_library() {
   1104 	$errors = array();
   1105 
   1106 	if ( ! empty( $_POST ) ) {
   1107 		$return = media_upload_form_handler();
   1108 
   1109 		if ( is_string( $return ) ) {
   1110 			return $return;
   1111 		}
   1112 		if ( is_array( $return ) ) {
   1113 			$errors = $return;
   1114 		}
   1115 	}
   1116 
   1117 	return wp_iframe( 'media_upload_library_form', $errors );
   1118 }
   1119 
   1120 /**
   1121  * Retrieve HTML for the image alignment radio buttons with the specified one checked.
   1122  *
   1123  * @since 2.7.0
   1124  *
   1125  * @param WP_Post $post
   1126  * @param string  $checked
   1127  * @return string
   1128  */
   1129 function image_align_input_fields( $post, $checked = '' ) {
   1130 
   1131 	if ( empty( $checked ) ) {
   1132 		$checked = get_user_setting( 'align', 'none' );
   1133 	}
   1134 
   1135 	$alignments = array(
   1136 		'none'   => __( 'None' ),
   1137 		'left'   => __( 'Left' ),
   1138 		'center' => __( 'Center' ),
   1139 		'right'  => __( 'Right' ),
   1140 	);
   1141 
   1142 	if ( ! array_key_exists( (string) $checked, $alignments ) ) {
   1143 		$checked = 'none';
   1144 	}
   1145 
   1146 	$out = array();
   1147 
   1148 	foreach ( $alignments as $name => $label ) {
   1149 		$name  = esc_attr( $name );
   1150 		$out[] = "<input type='radio' name='attachments[{$post->ID}][align]' id='image-align-{$name}-{$post->ID}' value='$name'" .
   1151 			( $checked == $name ? " checked='checked'" : '' ) .
   1152 			" /><label for='image-align-{$name}-{$post->ID}' class='align image-align-{$name}-label'>$label</label>";
   1153 	}
   1154 
   1155 	return implode( "\n", $out );
   1156 }
   1157 
   1158 /**
   1159  * Retrieve HTML for the size radio buttons with the specified one checked.
   1160  *
   1161  * @since 2.7.0
   1162  *
   1163  * @param WP_Post     $post
   1164  * @param bool|string $check
   1165  * @return array
   1166  */
   1167 function image_size_input_fields( $post, $check = '' ) {
   1168 	/**
   1169 	 * Filters the names and labels of the default image sizes.
   1170 	 *
   1171 	 * @since 3.3.0
   1172 	 *
   1173 	 * @param string[] $size_names Array of image size labels keyed by their name. Default values
   1174 	 *                             include 'Thumbnail', 'Medium', 'Large', and 'Full Size'.
   1175 	 */
   1176 	$size_names = apply_filters(
   1177 		'image_size_names_choose',
   1178 		array(
   1179 			'thumbnail' => __( 'Thumbnail' ),
   1180 			'medium'    => __( 'Medium' ),
   1181 			'large'     => __( 'Large' ),
   1182 			'full'      => __( 'Full Size' ),
   1183 		)
   1184 	);
   1185 
   1186 	if ( empty( $check ) ) {
   1187 		$check = get_user_setting( 'imgsize', 'medium' );
   1188 	}
   1189 
   1190 	$out = array();
   1191 
   1192 	foreach ( $size_names as $size => $label ) {
   1193 		$downsize = image_downsize( $post->ID, $size );
   1194 		$checked  = '';
   1195 
   1196 		// Is this size selectable?
   1197 		$enabled = ( $downsize[3] || 'full' === $size );
   1198 		$css_id  = "image-size-{$size}-{$post->ID}";
   1199 
   1200 		// If this size is the default but that's not available, don't select it.
   1201 		if ( $size == $check ) {
   1202 			if ( $enabled ) {
   1203 				$checked = " checked='checked'";
   1204 			} else {
   1205 				$check = '';
   1206 			}
   1207 		} elseif ( ! $check && $enabled && 'thumbnail' !== $size ) {
   1208 			/*
   1209 			 * If $check is not enabled, default to the first available size
   1210 			 * that's bigger than a thumbnail.
   1211 			 */
   1212 			$check   = $size;
   1213 			$checked = " checked='checked'";
   1214 		}
   1215 
   1216 		$html = "<div class='image-size-item'><input type='radio' " . disabled( $enabled, false, false ) . "name='attachments[$post->ID][image-size]' id='{$css_id}' value='{$size}'$checked />";
   1217 
   1218 		$html .= "<label for='{$css_id}'>$label</label>";
   1219 
   1220 		// Only show the dimensions if that choice is available.
   1221 		if ( $enabled ) {
   1222 			$html .= " <label for='{$css_id}' class='help'>" . sprintf( '(%d&nbsp;&times;&nbsp;%d)', $downsize[1], $downsize[2] ) . '</label>';
   1223 		}
   1224 		$html .= '</div>';
   1225 
   1226 		$out[] = $html;
   1227 	}
   1228 
   1229 	return array(
   1230 		'label' => __( 'Size' ),
   1231 		'input' => 'html',
   1232 		'html'  => implode( "\n", $out ),
   1233 	);
   1234 }
   1235 
   1236 /**
   1237  * Retrieve HTML for the Link URL buttons with the default link type as specified.
   1238  *
   1239  * @since 2.7.0
   1240  *
   1241  * @param WP_Post $post
   1242  * @param string  $url_type
   1243  * @return string
   1244  */
   1245 function image_link_input_fields( $post, $url_type = '' ) {
   1246 
   1247 	$file = wp_get_attachment_url( $post->ID );
   1248 	$link = get_attachment_link( $post->ID );
   1249 
   1250 	if ( empty( $url_type ) ) {
   1251 		$url_type = get_user_setting( 'urlbutton', 'post' );
   1252 	}
   1253 
   1254 	$url = '';
   1255 
   1256 	if ( 'file' === $url_type ) {
   1257 		$url = $file;
   1258 	} elseif ( 'post' === $url_type ) {
   1259 		$url = $link;
   1260 	}
   1261 
   1262 	return "
   1263 	<input type='text' class='text urlfield' name='attachments[$post->ID][url]' value='" . esc_attr( $url ) . "' /><br />
   1264 	<button type='button' class='button urlnone' data-link-url=''>" . __( 'None' ) . "</button>
   1265 	<button type='button' class='button urlfile' data-link-url='" . esc_attr( $file ) . "'>" . __( 'File URL' ) . "</button>
   1266 	<button type='button' class='button urlpost' data-link-url='" . esc_attr( $link ) . "'>" . __( 'Attachment Post URL' ) . '</button>
   1267 ';
   1268 }
   1269 
   1270 /**
   1271  * Output a textarea element for inputting an attachment caption.
   1272  *
   1273  * @since 3.4.0
   1274  *
   1275  * @param WP_Post $edit_post Attachment WP_Post object.
   1276  * @return string HTML markup for the textarea element.
   1277  */
   1278 function wp_caption_input_textarea( $edit_post ) {
   1279 	// Post data is already escaped.
   1280 	$name = "attachments[{$edit_post->ID}][post_excerpt]";
   1281 
   1282 	return '<textarea name="' . $name . '" id="' . $name . '">' . $edit_post->post_excerpt . '</textarea>';
   1283 }
   1284 
   1285 /**
   1286  * Retrieves the image attachment fields to edit form fields.
   1287  *
   1288  * @since 2.5.0
   1289  *
   1290  * @param array  $form_fields
   1291  * @param object $post
   1292  * @return array
   1293  */
   1294 function image_attachment_fields_to_edit( $form_fields, $post ) {
   1295 	return $form_fields;
   1296 }
   1297 
   1298 /**
   1299  * Retrieves the single non-image attachment fields to edit form fields.
   1300  *
   1301  * @since 2.5.0
   1302  *
   1303  * @param array   $form_fields An array of attachment form fields.
   1304  * @param WP_Post $post        The WP_Post attachment object.
   1305  * @return array Filtered attachment form fields.
   1306  */
   1307 function media_single_attachment_fields_to_edit( $form_fields, $post ) {
   1308 	unset( $form_fields['url'], $form_fields['align'], $form_fields['image-size'] );
   1309 	return $form_fields;
   1310 }
   1311 
   1312 /**
   1313  * Retrieves the post non-image attachment fields to edit form fields.
   1314  *
   1315  * @since 2.8.0
   1316  *
   1317  * @param array   $form_fields An array of attachment form fields.
   1318  * @param WP_Post $post        The WP_Post attachment object.
   1319  * @return array Filtered attachment form fields.
   1320  */
   1321 function media_post_single_attachment_fields_to_edit( $form_fields, $post ) {
   1322 	unset( $form_fields['image_url'] );
   1323 	return $form_fields;
   1324 }
   1325 
   1326 /**
   1327  * Filters input from media_upload_form_handler() and assigns a default
   1328  * post_title from the file name if none supplied.
   1329  *
   1330  * Illustrates the use of the {@see 'attachment_fields_to_save'} filter
   1331  * which can be used to add default values to any field before saving to DB.
   1332  *
   1333  * @since 2.5.0
   1334  *
   1335  * @param array $post       The WP_Post attachment object converted to an array.
   1336  * @param array $attachment An array of attachment metadata.
   1337  * @return array Filtered attachment post object.
   1338  */
   1339 function image_attachment_fields_to_save( $post, $attachment ) {
   1340 	if ( 'image' === substr( $post['post_mime_type'], 0, 5 ) ) {
   1341 		if ( strlen( trim( $post['post_title'] ) ) == 0 ) {
   1342 			$attachment_url                           = ( isset( $post['attachment_url'] ) ) ? $post['attachment_url'] : $post['guid'];
   1343 			$post['post_title']                       = preg_replace( '/\.\w+$/', '', wp_basename( $attachment_url ) );
   1344 			$post['errors']['post_title']['errors'][] = __( 'Empty Title filled from filename.' );
   1345 		}
   1346 	}
   1347 
   1348 	return $post;
   1349 }
   1350 
   1351 /**
   1352  * Retrieves the media element HTML to send to the editor.
   1353  *
   1354  * @since 2.5.0
   1355  *
   1356  * @param string  $html
   1357  * @param int     $attachment_id
   1358  * @param array   $attachment
   1359  * @return string
   1360  */
   1361 function image_media_send_to_editor( $html, $attachment_id, $attachment ) {
   1362 	$post = get_post( $attachment_id );
   1363 
   1364 	if ( 'image' === substr( $post->post_mime_type, 0, 5 ) ) {
   1365 		$url   = $attachment['url'];
   1366 		$align = ! empty( $attachment['align'] ) ? $attachment['align'] : 'none';
   1367 		$size  = ! empty( $attachment['image-size'] ) ? $attachment['image-size'] : 'medium';
   1368 		$alt   = ! empty( $attachment['image_alt'] ) ? $attachment['image_alt'] : '';
   1369 		$rel   = ( strpos( $url, 'attachment_id' ) || get_attachment_link( $attachment_id ) === $url );
   1370 
   1371 		return get_image_send_to_editor( $attachment_id, $attachment['post_excerpt'], $attachment['post_title'], $align, $url, $rel, $size, $alt );
   1372 	}
   1373 
   1374 	return $html;
   1375 }
   1376 
   1377 /**
   1378  * Retrieves the attachment fields to edit form fields.
   1379  *
   1380  * @since 2.5.0
   1381  *
   1382  * @param WP_Post $post
   1383  * @param array   $errors
   1384  * @return array
   1385  */
   1386 function get_attachment_fields_to_edit( $post, $errors = null ) {
   1387 	if ( is_int( $post ) ) {
   1388 		$post = get_post( $post );
   1389 	}
   1390 
   1391 	if ( is_array( $post ) ) {
   1392 		$post = new WP_Post( (object) $post );
   1393 	}
   1394 
   1395 	$image_url = wp_get_attachment_url( $post->ID );
   1396 
   1397 	$edit_post = sanitize_post( $post, 'edit' );
   1398 
   1399 	$form_fields = array(
   1400 		'post_title'   => array(
   1401 			'label' => __( 'Title' ),
   1402 			'value' => $edit_post->post_title,
   1403 		),
   1404 		'image_alt'    => array(),
   1405 		'post_excerpt' => array(
   1406 			'label' => __( 'Caption' ),
   1407 			'input' => 'html',
   1408 			'html'  => wp_caption_input_textarea( $edit_post ),
   1409 		),
   1410 		'post_content' => array(
   1411 			'label' => __( 'Description' ),
   1412 			'value' => $edit_post->post_content,
   1413 			'input' => 'textarea',
   1414 		),
   1415 		'url'          => array(
   1416 			'label' => __( 'Link URL' ),
   1417 			'input' => 'html',
   1418 			'html'  => image_link_input_fields( $post, get_option( 'image_default_link_type' ) ),
   1419 			'helps' => __( 'Enter a link URL or click above for presets.' ),
   1420 		),
   1421 		'menu_order'   => array(
   1422 			'label' => __( 'Order' ),
   1423 			'value' => $edit_post->menu_order,
   1424 		),
   1425 		'image_url'    => array(
   1426 			'label' => __( 'File URL' ),
   1427 			'input' => 'html',
   1428 			'html'  => "<input type='text' class='text urlfield' readonly='readonly' name='attachments[$post->ID][url]' value='" . esc_attr( $image_url ) . "' /><br />",
   1429 			'value' => wp_get_attachment_url( $post->ID ),
   1430 			'helps' => __( 'Location of the uploaded file.' ),
   1431 		),
   1432 	);
   1433 
   1434 	foreach ( get_attachment_taxonomies( $post ) as $taxonomy ) {
   1435 		$t = (array) get_taxonomy( $taxonomy );
   1436 
   1437 		if ( ! $t['public'] || ! $t['show_ui'] ) {
   1438 			continue;
   1439 		}
   1440 
   1441 		if ( empty( $t['label'] ) ) {
   1442 			$t['label'] = $taxonomy;
   1443 		}
   1444 
   1445 		if ( empty( $t['args'] ) ) {
   1446 			$t['args'] = array();
   1447 		}
   1448 
   1449 		$terms = get_object_term_cache( $post->ID, $taxonomy );
   1450 
   1451 		if ( false === $terms ) {
   1452 			$terms = wp_get_object_terms( $post->ID, $taxonomy, $t['args'] );
   1453 		}
   1454 
   1455 		$values = array();
   1456 
   1457 		foreach ( $terms as $term ) {
   1458 			$values[] = $term->slug;
   1459 		}
   1460 
   1461 		$t['value'] = implode( ', ', $values );
   1462 
   1463 		$form_fields[ $taxonomy ] = $t;
   1464 	}
   1465 
   1466 	/*
   1467 	 * Merge default fields with their errors, so any key passed with the error
   1468 	 * (e.g. 'error', 'helps', 'value') will replace the default.
   1469 	 * The recursive merge is easily traversed with array casting:
   1470 	 * foreach ( (array) $things as $thing )
   1471 	 */
   1472 	$form_fields = array_merge_recursive( $form_fields, (array) $errors );
   1473 
   1474 	// This was formerly in image_attachment_fields_to_edit().
   1475 	if ( 'image' === substr( $post->post_mime_type, 0, 5 ) ) {
   1476 		$alt = get_post_meta( $post->ID, '_wp_attachment_image_alt', true );
   1477 
   1478 		if ( empty( $alt ) ) {
   1479 			$alt = '';
   1480 		}
   1481 
   1482 		$form_fields['post_title']['required'] = true;
   1483 
   1484 		$form_fields['image_alt'] = array(
   1485 			'value' => $alt,
   1486 			'label' => __( 'Alternative Text' ),
   1487 			'helps' => __( 'Alt text for the image, e.g. &#8220;The Mona Lisa&#8221;' ),
   1488 		);
   1489 
   1490 		$form_fields['align'] = array(
   1491 			'label' => __( 'Alignment' ),
   1492 			'input' => 'html',
   1493 			'html'  => image_align_input_fields( $post, get_option( 'image_default_align' ) ),
   1494 		);
   1495 
   1496 		$form_fields['image-size'] = image_size_input_fields( $post, get_option( 'image_default_size', 'medium' ) );
   1497 
   1498 	} else {
   1499 		unset( $form_fields['image_alt'] );
   1500 	}
   1501 
   1502 	/**
   1503 	 * Filters the attachment fields to edit.
   1504 	 *
   1505 	 * @since 2.5.0
   1506 	 *
   1507 	 * @param array   $form_fields An array of attachment form fields.
   1508 	 * @param WP_Post $post        The WP_Post attachment object.
   1509 	 */
   1510 	$form_fields = apply_filters( 'attachment_fields_to_edit', $form_fields, $post );
   1511 
   1512 	return $form_fields;
   1513 }
   1514 
   1515 /**
   1516  * Retrieve HTML for media items of post gallery.
   1517  *
   1518  * The HTML markup retrieved will be created for the progress of SWF Upload
   1519  * component. Will also create link for showing and hiding the form to modify
   1520  * the image attachment.
   1521  *
   1522  * @since 2.5.0
   1523  *
   1524  * @global WP_Query $wp_the_query WordPress Query object.
   1525  *
   1526  * @param int   $post_id Optional. Post ID.
   1527  * @param array $errors  Errors for attachment, if any.
   1528  * @return string
   1529  */
   1530 function get_media_items( $post_id, $errors ) {
   1531 	$attachments = array();
   1532 
   1533 	if ( $post_id ) {
   1534 		$post = get_post( $post_id );
   1535 
   1536 		if ( $post && 'attachment' === $post->post_type ) {
   1537 			$attachments = array( $post->ID => $post );
   1538 		} else {
   1539 			$attachments = get_children(
   1540 				array(
   1541 					'post_parent' => $post_id,
   1542 					'post_type'   => 'attachment',
   1543 					'orderby'     => 'menu_order ASC, ID',
   1544 					'order'       => 'DESC',
   1545 				)
   1546 			);
   1547 		}
   1548 	} else {
   1549 		if ( is_array( $GLOBALS['wp_the_query']->posts ) ) {
   1550 			foreach ( $GLOBALS['wp_the_query']->posts as $attachment ) {
   1551 				$attachments[ $attachment->ID ] = $attachment;
   1552 			}
   1553 		}
   1554 	}
   1555 
   1556 	$output = '';
   1557 	foreach ( (array) $attachments as $id => $attachment ) {
   1558 		if ( 'trash' === $attachment->post_status ) {
   1559 			continue;
   1560 		}
   1561 
   1562 		$item = get_media_item( $id, array( 'errors' => isset( $errors[ $id ] ) ? $errors[ $id ] : null ) );
   1563 
   1564 		if ( $item ) {
   1565 			$output .= "\n<div id='media-item-$id' class='media-item child-of-$attachment->post_parent preloaded'><div class='progress hidden'><div class='bar'></div></div><div id='media-upload-error-$id' class='hidden'></div><div class='filename hidden'></div>$item\n</div>";
   1566 		}
   1567 	}
   1568 
   1569 	return $output;
   1570 }
   1571 
   1572 /**
   1573  * Retrieve HTML form for modifying the image attachment.
   1574  *
   1575  * @since 2.5.0
   1576  *
   1577  * @global string $redir_tab
   1578  *
   1579  * @param int          $attachment_id Attachment ID for modification.
   1580  * @param string|array $args          Optional. Override defaults.
   1581  * @return string HTML form for attachment.
   1582  */
   1583 function get_media_item( $attachment_id, $args = null ) {
   1584 	global $redir_tab;
   1585 
   1586 	$thumb_url     = false;
   1587 	$attachment_id = (int) $attachment_id;
   1588 
   1589 	if ( $attachment_id ) {
   1590 		$thumb_url = wp_get_attachment_image_src( $attachment_id, 'thumbnail', true );
   1591 
   1592 		if ( $thumb_url ) {
   1593 			$thumb_url = $thumb_url[0];
   1594 		}
   1595 	}
   1596 
   1597 	$post            = get_post( $attachment_id );
   1598 	$current_post_id = ! empty( $_GET['post_id'] ) ? (int) $_GET['post_id'] : 0;
   1599 
   1600 	$default_args = array(
   1601 		'errors'     => null,
   1602 		'send'       => $current_post_id ? post_type_supports( get_post_type( $current_post_id ), 'editor' ) : true,
   1603 		'delete'     => true,
   1604 		'toggle'     => true,
   1605 		'show_title' => true,
   1606 	);
   1607 
   1608 	$parsed_args = wp_parse_args( $args, $default_args );
   1609 
   1610 	/**
   1611 	 * Filters the arguments used to retrieve an image for the edit image form.
   1612 	 *
   1613 	 * @since 3.1.0
   1614 	 *
   1615 	 * @see get_media_item
   1616 	 *
   1617 	 * @param array $parsed_args An array of arguments.
   1618 	 */
   1619 	$parsed_args = apply_filters( 'get_media_item_args', $parsed_args );
   1620 
   1621 	$toggle_on  = __( 'Show' );
   1622 	$toggle_off = __( 'Hide' );
   1623 
   1624 	$file     = get_attached_file( $post->ID );
   1625 	$filename = esc_html( wp_basename( $file ) );
   1626 	$title    = esc_attr( $post->post_title );
   1627 
   1628 	$post_mime_types = get_post_mime_types();
   1629 	$keys            = array_keys( wp_match_mime_types( array_keys( $post_mime_types ), $post->post_mime_type ) );
   1630 	$type            = reset( $keys );
   1631 	$type_html       = "<input type='hidden' id='type-of-$attachment_id' value='" . esc_attr( $type ) . "' />";
   1632 
   1633 	$form_fields = get_attachment_fields_to_edit( $post, $parsed_args['errors'] );
   1634 
   1635 	if ( $parsed_args['toggle'] ) {
   1636 		$class        = empty( $parsed_args['errors'] ) ? 'startclosed' : 'startopen';
   1637 		$toggle_links = "
   1638 		<a class='toggle describe-toggle-on' href='#'>$toggle_on</a>
   1639 		<a class='toggle describe-toggle-off' href='#'>$toggle_off</a>";
   1640 	} else {
   1641 		$class        = '';
   1642 		$toggle_links = '';
   1643 	}
   1644 
   1645 	$display_title = ( ! empty( $title ) ) ? $title : $filename; // $title shouldn't ever be empty, but just in case.
   1646 	$display_title = $parsed_args['show_title'] ? "<div class='filename new'><span class='title'>" . wp_html_excerpt( $display_title, 60, '&hellip;' ) . '</span></div>' : '';
   1647 
   1648 	$gallery = ( ( isset( $_REQUEST['tab'] ) && 'gallery' === $_REQUEST['tab'] ) || ( isset( $redir_tab ) && 'gallery' === $redir_tab ) );
   1649 	$order   = '';
   1650 
   1651 	foreach ( $form_fields as $key => $val ) {
   1652 		if ( 'menu_order' === $key ) {
   1653 			if ( $gallery ) {
   1654 				$order = "<div class='menu_order'> <input class='menu_order_input' type='text' id='attachments[$attachment_id][menu_order]' name='attachments[$attachment_id][menu_order]' value='" . esc_attr( $val['value'] ) . "' /></div>";
   1655 			} else {
   1656 				$order = "<input type='hidden' name='attachments[$attachment_id][menu_order]' value='" . esc_attr( $val['value'] ) . "' />";
   1657 			}
   1658 
   1659 			unset( $form_fields['menu_order'] );
   1660 			break;
   1661 		}
   1662 	}
   1663 
   1664 	$media_dims = '';
   1665 	$meta       = wp_get_attachment_metadata( $post->ID );
   1666 
   1667 	if ( isset( $meta['width'], $meta['height'] ) ) {
   1668 		$media_dims .= "<span id='media-dims-$post->ID'>{$meta['width']}&nbsp;&times;&nbsp;{$meta['height']}</span> ";
   1669 	}
   1670 
   1671 	/**
   1672 	 * Filters the media metadata.
   1673 	 *
   1674 	 * @since 2.5.0
   1675 	 *
   1676 	 * @param string  $media_dims The HTML markup containing the media dimensions.
   1677 	 * @param WP_Post $post       The WP_Post attachment object.
   1678 	 */
   1679 	$media_dims = apply_filters( 'media_meta', $media_dims, $post );
   1680 
   1681 	$image_edit_button = '';
   1682 
   1683 	if ( wp_attachment_is_image( $post->ID ) && wp_image_editor_supports( array( 'mime_type' => $post->post_mime_type ) ) ) {
   1684 		$nonce             = wp_create_nonce( "image_editor-$post->ID" );
   1685 		$image_edit_button = "<input type='button' id='imgedit-open-btn-$post->ID' onclick='imageEdit.open( $post->ID, \"$nonce\" )' class='button' value='" . esc_attr__( 'Edit Image' ) . "' /> <span class='spinner'></span>";
   1686 	}
   1687 
   1688 	$attachment_url = get_permalink( $attachment_id );
   1689 
   1690 	$item = "
   1691 		$type_html
   1692 		$toggle_links
   1693 		$order
   1694 		$display_title
   1695 		<table class='slidetoggle describe $class'>
   1696 			<thead class='media-item-info' id='media-head-$post->ID'>
   1697 			<tr>
   1698 			<td class='A1B1' id='thumbnail-head-$post->ID'>
   1699 			<p><a href='$attachment_url' target='_blank'><img class='thumbnail' src='$thumb_url' alt='' /></a></p>
   1700 			<p>$image_edit_button</p>
   1701 			</td>
   1702 			<td>
   1703 			<p><strong>" . __( 'File name:' ) . "</strong> $filename</p>
   1704 			<p><strong>" . __( 'File type:' ) . "</strong> $post->post_mime_type</p>
   1705 			<p><strong>" . __( 'Upload date:' ) . '</strong> ' . mysql2date( __( 'F j, Y' ), $post->post_date ) . '</p>';
   1706 
   1707 	if ( ! empty( $media_dims ) ) {
   1708 		$item .= '<p><strong>' . __( 'Dimensions:' ) . "</strong> $media_dims</p>\n";
   1709 	}
   1710 
   1711 	$item .= "</td></tr>\n";
   1712 
   1713 	$item .= "
   1714 		</thead>
   1715 		<tbody>
   1716 		<tr><td colspan='2' class='imgedit-response' id='imgedit-response-$post->ID'></td></tr>\n
   1717 		<tr><td style='display:none' colspan='2' class='image-editor' id='image-editor-$post->ID'></td></tr>\n
   1718 		<tr><td colspan='2'><p class='media-types media-types-required-info'>" .
   1719 			/* translators: %s: Asterisk symbol (*). */
   1720 			sprintf( __( 'Required fields are marked %s' ), '<span class="required">*</span>' ) .
   1721 		"</p></td></tr>\n";
   1722 
   1723 	$defaults = array(
   1724 		'input'      => 'text',
   1725 		'required'   => false,
   1726 		'value'      => '',
   1727 		'extra_rows' => array(),
   1728 	);
   1729 
   1730 	if ( $parsed_args['send'] ) {
   1731 		$parsed_args['send'] = get_submit_button( __( 'Insert into Post' ), '', "send[$attachment_id]", false );
   1732 	}
   1733 
   1734 	$delete = empty( $parsed_args['delete'] ) ? '' : $parsed_args['delete'];
   1735 	if ( $delete && current_user_can( 'delete_post', $attachment_id ) ) {
   1736 		if ( ! EMPTY_TRASH_DAYS ) {
   1737 			$delete = "<a href='" . wp_nonce_url( "post.php?action=delete&amp;post=$attachment_id", 'delete-post_' . $attachment_id ) . "' id='del[$attachment_id]' class='delete-permanently'>" . __( 'Delete Permanently' ) . '</a>';
   1738 		} elseif ( ! MEDIA_TRASH ) {
   1739 			$delete = "<a href='#' class='del-link' onclick=\"document.getElementById('del_attachment_$attachment_id').style.display='block';return false;\">" . __( 'Delete' ) . "</a>
   1740 				<div id='del_attachment_$attachment_id' class='del-attachment' style='display:none;'>" .
   1741 				/* translators: %s: File name. */
   1742 				'<p>' . sprintf( __( 'You are about to delete %s.' ), '<strong>' . $filename . '</strong>' ) . "</p>
   1743 				<a href='" . wp_nonce_url( "post.php?action=delete&amp;post=$attachment_id", 'delete-post_' . $attachment_id ) . "' id='del[$attachment_id]' class='button'>" . __( 'Continue' ) . "</a>
   1744 				<a href='#' class='button' onclick=\"this.parentNode.style.display='none';return false;\">" . __( 'Cancel' ) . '</a>
   1745 				</div>';
   1746 		} else {
   1747 			$delete = "<a href='" . wp_nonce_url( "post.php?action=trash&amp;post=$attachment_id", 'trash-post_' . $attachment_id ) . "' id='del[$attachment_id]' class='delete'>" . __( 'Move to Trash' ) . "</a>
   1748 			<a href='" . wp_nonce_url( "post.php?action=untrash&amp;post=$attachment_id", 'untrash-post_' . $attachment_id ) . "' id='undo[$attachment_id]' class='undo hidden'>" . __( 'Undo' ) . '</a>';
   1749 		}
   1750 	} else {
   1751 		$delete = '';
   1752 	}
   1753 
   1754 	$thumbnail       = '';
   1755 	$calling_post_id = 0;
   1756 
   1757 	if ( isset( $_GET['post_id'] ) ) {
   1758 		$calling_post_id = absint( $_GET['post_id'] );
   1759 	} elseif ( isset( $_POST ) && count( $_POST ) ) {// Like for async-upload where $_GET['post_id'] isn't set.
   1760 		$calling_post_id = $post->post_parent;
   1761 	}
   1762 
   1763 	if ( 'image' === $type && $calling_post_id
   1764 		&& current_theme_supports( 'post-thumbnails', get_post_type( $calling_post_id ) )
   1765 		&& post_type_supports( get_post_type( $calling_post_id ), 'thumbnail' )
   1766 		&& get_post_thumbnail_id( $calling_post_id ) != $attachment_id
   1767 	) {
   1768 
   1769 		$calling_post             = get_post( $calling_post_id );
   1770 		$calling_post_type_object = get_post_type_object( $calling_post->post_type );
   1771 
   1772 		$ajax_nonce = wp_create_nonce( "set_post_thumbnail-$calling_post_id" );
   1773 		$thumbnail  = "<a class='wp-post-thumbnail' id='wp-post-thumbnail-" . $attachment_id . "' href='#' onclick='WPSetAsThumbnail(\"$attachment_id\", \"$ajax_nonce\");return false;'>" . esc_html( $calling_post_type_object->labels->use_featured_image ) . '</a>';
   1774 	}
   1775 
   1776 	if ( ( $parsed_args['send'] || $thumbnail || $delete ) && ! isset( $form_fields['buttons'] ) ) {
   1777 		$form_fields['buttons'] = array( 'tr' => "\t\t<tr class='submit'><td></td><td class='savesend'>" . $parsed_args['send'] . " $thumbnail $delete</td></tr>\n" );
   1778 	}
   1779 
   1780 	$hidden_fields = array();
   1781 
   1782 	foreach ( $form_fields as $id => $field ) {
   1783 		if ( '_' === $id[0] ) {
   1784 			continue;
   1785 		}
   1786 
   1787 		if ( ! empty( $field['tr'] ) ) {
   1788 			$item .= $field['tr'];
   1789 			continue;
   1790 		}
   1791 
   1792 		$field = array_merge( $defaults, $field );
   1793 		$name  = "attachments[$attachment_id][$id]";
   1794 
   1795 		if ( 'hidden' === $field['input'] ) {
   1796 			$hidden_fields[ $name ] = $field['value'];
   1797 			continue;
   1798 		}
   1799 
   1800 		$required      = $field['required'] ? '<span class="required">*</span>' : '';
   1801 		$required_attr = $field['required'] ? ' required' : '';
   1802 		$class         = $id;
   1803 		$class        .= $field['required'] ? ' form-required' : '';
   1804 
   1805 		$item .= "\t\t<tr class='$class'>\n\t\t\t<th scope='row' class='label'><label for='$name'><span class='alignleft'>{$field['label']}{$required}</span><br class='clear' /></label></th>\n\t\t\t<td class='field'>";
   1806 
   1807 		if ( ! empty( $field[ $field['input'] ] ) ) {
   1808 			$item .= $field[ $field['input'] ];
   1809 		} elseif ( 'textarea' === $field['input'] ) {
   1810 			if ( 'post_content' === $id && user_can_richedit() ) {
   1811 				// Sanitize_post() skips the post_content when user_can_richedit.
   1812 				$field['value'] = htmlspecialchars( $field['value'], ENT_QUOTES );
   1813 			}
   1814 			// Post_excerpt is already escaped by sanitize_post() in get_attachment_fields_to_edit().
   1815 			$item .= "<textarea id='$name' name='$name'{$required_attr}>" . $field['value'] . '</textarea>';
   1816 		} else {
   1817 			$item .= "<input type='text' class='text' id='$name' name='$name' value='" . esc_attr( $field['value'] ) . "'{$required_attr} />";
   1818 		}
   1819 
   1820 		if ( ! empty( $field['helps'] ) ) {
   1821 			$item .= "<p class='help'>" . implode( "</p>\n<p class='help'>", array_unique( (array) $field['helps'] ) ) . '</p>';
   1822 		}
   1823 		$item .= "</td>\n\t\t</tr>\n";
   1824 
   1825 		$extra_rows = array();
   1826 
   1827 		if ( ! empty( $field['errors'] ) ) {
   1828 			foreach ( array_unique( (array) $field['errors'] ) as $error ) {
   1829 				$extra_rows['error'][] = $error;
   1830 			}
   1831 		}
   1832 
   1833 		if ( ! empty( $field['extra_rows'] ) ) {
   1834 			foreach ( $field['extra_rows'] as $class => $rows ) {
   1835 				foreach ( (array) $rows as $html ) {
   1836 					$extra_rows[ $class ][] = $html;
   1837 				}
   1838 			}
   1839 		}
   1840 
   1841 		foreach ( $extra_rows as $class => $rows ) {
   1842 			foreach ( $rows as $html ) {
   1843 				$item .= "\t\t<tr><td></td><td class='$class'>$html</td></tr>\n";
   1844 			}
   1845 		}
   1846 	}
   1847 
   1848 	if ( ! empty( $form_fields['_final'] ) ) {
   1849 		$item .= "\t\t<tr class='final'><td colspan='2'>{$form_fields['_final']}</td></tr>\n";
   1850 	}
   1851 
   1852 	$item .= "\t</tbody>\n";
   1853 	$item .= "\t</table>\n";
   1854 
   1855 	foreach ( $hidden_fields as $name => $value ) {
   1856 		$item .= "\t<input type='hidden' name='$name' id='$name' value='" . esc_attr( $value ) . "' />\n";
   1857 	}
   1858 
   1859 	if ( $post->post_parent < 1 && isset( $_REQUEST['post_id'] ) ) {
   1860 		$parent      = (int) $_REQUEST['post_id'];
   1861 		$parent_name = "attachments[$attachment_id][post_parent]";
   1862 		$item       .= "\t<input type='hidden' name='$parent_name' id='$parent_name' value='$parent' />\n";
   1863 	}
   1864 
   1865 	return $item;
   1866 }
   1867 
   1868 /**
   1869  * @since 3.5.0
   1870  *
   1871  * @param int   $attachment_id
   1872  * @param array $args
   1873  * @return array
   1874  */
   1875 function get_compat_media_markup( $attachment_id, $args = null ) {
   1876 	$post = get_post( $attachment_id );
   1877 
   1878 	$default_args = array(
   1879 		'errors'   => null,
   1880 		'in_modal' => false,
   1881 	);
   1882 
   1883 	$user_can_edit = current_user_can( 'edit_post', $attachment_id );
   1884 
   1885 	$args = wp_parse_args( $args, $default_args );
   1886 
   1887 	/** This filter is documented in wp-admin/includes/media.php */
   1888 	$args = apply_filters( 'get_media_item_args', $args );
   1889 
   1890 	$form_fields = array();
   1891 
   1892 	if ( $args['in_modal'] ) {
   1893 		foreach ( get_attachment_taxonomies( $post ) as $taxonomy ) {
   1894 			$t = (array) get_taxonomy( $taxonomy );
   1895 
   1896 			if ( ! $t['public'] || ! $t['show_ui'] ) {
   1897 				continue;
   1898 			}
   1899 
   1900 			if ( empty( $t['label'] ) ) {
   1901 				$t['label'] = $taxonomy;
   1902 			}
   1903 
   1904 			if ( empty( $t['args'] ) ) {
   1905 				$t['args'] = array();
   1906 			}
   1907 
   1908 			$terms = get_object_term_cache( $post->ID, $taxonomy );
   1909 
   1910 			if ( false === $terms ) {
   1911 				$terms = wp_get_object_terms( $post->ID, $taxonomy, $t['args'] );
   1912 			}
   1913 
   1914 			$values = array();
   1915 
   1916 			foreach ( $terms as $term ) {
   1917 				$values[] = $term->slug;
   1918 			}
   1919 
   1920 			$t['value']    = implode( ', ', $values );
   1921 			$t['taxonomy'] = true;
   1922 
   1923 			$form_fields[ $taxonomy ] = $t;
   1924 		}
   1925 	}
   1926 
   1927 	/*
   1928 	 * Merge default fields with their errors, so any key passed with the error
   1929 	 * (e.g. 'error', 'helps', 'value') will replace the default.
   1930 	 * The recursive merge is easily traversed with array casting:
   1931 	 * foreach ( (array) $things as $thing )
   1932 	 */
   1933 	$form_fields = array_merge_recursive( $form_fields, (array) $args['errors'] );
   1934 
   1935 	/** This filter is documented in wp-admin/includes/media.php */
   1936 	$form_fields = apply_filters( 'attachment_fields_to_edit', $form_fields, $post );
   1937 
   1938 	unset(
   1939 		$form_fields['image-size'],
   1940 		$form_fields['align'],
   1941 		$form_fields['image_alt'],
   1942 		$form_fields['post_title'],
   1943 		$form_fields['post_excerpt'],
   1944 		$form_fields['post_content'],
   1945 		$form_fields['url'],
   1946 		$form_fields['menu_order'],
   1947 		$form_fields['image_url']
   1948 	);
   1949 
   1950 	/** This filter is documented in wp-admin/includes/media.php */
   1951 	$media_meta = apply_filters( 'media_meta', '', $post );
   1952 
   1953 	$defaults = array(
   1954 		'input'         => 'text',
   1955 		'required'      => false,
   1956 		'value'         => '',
   1957 		'extra_rows'    => array(),
   1958 		'show_in_edit'  => true,
   1959 		'show_in_modal' => true,
   1960 	);
   1961 
   1962 	$hidden_fields = array();
   1963 
   1964 	$item = '';
   1965 
   1966 	foreach ( $form_fields as $id => $field ) {
   1967 		if ( '_' === $id[0] ) {
   1968 			continue;
   1969 		}
   1970 
   1971 		$name    = "attachments[$attachment_id][$id]";
   1972 		$id_attr = "attachments-$attachment_id-$id";
   1973 
   1974 		if ( ! empty( $field['tr'] ) ) {
   1975 			$item .= $field['tr'];
   1976 			continue;
   1977 		}
   1978 
   1979 		$field = array_merge( $defaults, $field );
   1980 
   1981 		if ( ( ! $field['show_in_edit'] && ! $args['in_modal'] ) || ( ! $field['show_in_modal'] && $args['in_modal'] ) ) {
   1982 			continue;
   1983 		}
   1984 
   1985 		if ( 'hidden' === $field['input'] ) {
   1986 			$hidden_fields[ $name ] = $field['value'];
   1987 			continue;
   1988 		}
   1989 
   1990 		$readonly      = ! $user_can_edit && ! empty( $field['taxonomy'] ) ? " readonly='readonly' " : '';
   1991 		$required      = $field['required'] ? '<span class="required">*</span>' : '';
   1992 		$required_attr = $field['required'] ? ' required' : '';
   1993 		$class         = 'compat-field-' . $id;
   1994 		$class        .= $field['required'] ? ' form-required' : '';
   1995 
   1996 		$item .= "\t\t<tr class='$class'>";
   1997 		$item .= "\t\t\t<th scope='row' class='label'><label for='$id_attr'><span class='alignleft'>{$field['label']}</span>$required<br class='clear' /></label>";
   1998 		$item .= "</th>\n\t\t\t<td class='field'>";
   1999 
   2000 		if ( ! empty( $field[ $field['input'] ] ) ) {
   2001 			$item .= $field[ $field['input'] ];
   2002 		} elseif ( 'textarea' === $field['input'] ) {
   2003 			if ( 'post_content' === $id && user_can_richedit() ) {
   2004 				// sanitize_post() skips the post_content when user_can_richedit.
   2005 				$field['value'] = htmlspecialchars( $field['value'], ENT_QUOTES );
   2006 			}
   2007 			$item .= "<textarea id='$id_attr' name='$name'{$required_attr}>" . $field['value'] . '</textarea>';
   2008 		} else {
   2009 			$item .= "<input type='text' class='text' id='$id_attr' name='$name' value='" . esc_attr( $field['value'] ) . "' $readonly{$required_attr} />";
   2010 		}
   2011 
   2012 		if ( ! empty( $field['helps'] ) ) {
   2013 			$item .= "<p class='help'>" . implode( "</p>\n<p class='help'>", array_unique( (array) $field['helps'] ) ) . '</p>';
   2014 		}
   2015 
   2016 		$item .= "</td>\n\t\t</tr>\n";
   2017 
   2018 		$extra_rows = array();
   2019 
   2020 		if ( ! empty( $field['errors'] ) ) {
   2021 			foreach ( array_unique( (array) $field['errors'] ) as $error ) {
   2022 				$extra_rows['error'][] = $error;
   2023 			}
   2024 		}
   2025 
   2026 		if ( ! empty( $field['extra_rows'] ) ) {
   2027 			foreach ( $field['extra_rows'] as $class => $rows ) {
   2028 				foreach ( (array) $rows as $html ) {
   2029 					$extra_rows[ $class ][] = $html;
   2030 				}
   2031 			}
   2032 		}
   2033 
   2034 		foreach ( $extra_rows as $class => $rows ) {
   2035 			foreach ( $rows as $html ) {
   2036 				$item .= "\t\t<tr><td></td><td class='$class'>$html</td></tr>\n";
   2037 			}
   2038 		}
   2039 	}
   2040 
   2041 	if ( ! empty( $form_fields['_final'] ) ) {
   2042 		$item .= "\t\t<tr class='final'><td colspan='2'>{$form_fields['_final']}</td></tr>\n";
   2043 	}
   2044 
   2045 	if ( $item ) {
   2046 		$item = '<p class="media-types media-types-required-info">' .
   2047 			/* translators: %s: Asterisk symbol (*). */
   2048 			sprintf( __( 'Required fields are marked %s' ), '<span class="required">*</span>' ) .
   2049 			'</p>' .
   2050 			'<table class="compat-attachment-fields">' . $item . '</table>';
   2051 	}
   2052 
   2053 	foreach ( $hidden_fields as $hidden_field => $value ) {
   2054 		$item .= '<input type="hidden" name="' . esc_attr( $hidden_field ) . '" value="' . esc_attr( $value ) . '" />' . "\n";
   2055 	}
   2056 
   2057 	if ( $item ) {
   2058 		$item = '<input type="hidden" name="attachments[' . $attachment_id . '][menu_order]" value="' . esc_attr( $post->menu_order ) . '" />' . $item;
   2059 	}
   2060 
   2061 	return array(
   2062 		'item' => $item,
   2063 		'meta' => $media_meta,
   2064 	);
   2065 }
   2066 
   2067 /**
   2068  * Outputs the legacy media upload header.
   2069  *
   2070  * @since 2.5.0
   2071  */
   2072 function media_upload_header() {
   2073 	$post_id = isset( $_REQUEST['post_id'] ) ? (int) $_REQUEST['post_id'] : 0;
   2074 
   2075 	echo '<script type="text/javascript">post_id = ' . $post_id . ';</script>';
   2076 
   2077 	if ( empty( $_GET['chromeless'] ) ) {
   2078 		echo '<div id="media-upload-header">';
   2079 		the_media_upload_tabs();
   2080 		echo '</div>';
   2081 	}
   2082 }
   2083 
   2084 /**
   2085  * Outputs the legacy media upload form.
   2086  *
   2087  * @since 2.5.0
   2088  *
   2089  * @global string $type
   2090  * @global string $tab
   2091  * @global bool   $is_IE
   2092  * @global bool   $is_opera
   2093  *
   2094  * @param array $errors
   2095  */
   2096 function media_upload_form( $errors = null ) {
   2097 	global $type, $tab, $is_IE, $is_opera;
   2098 
   2099 	if ( ! _device_can_upload() ) {
   2100 		echo '<p>' . sprintf(
   2101 			/* translators: %s: https://apps.wordpress.org/ */
   2102 			__( 'The web browser on your device cannot be used to upload files. You may be able to use the <a href="%s">native app for your device</a> instead.' ),
   2103 			'https://apps.wordpress.org/'
   2104 		) . '</p>';
   2105 		return;
   2106 	}
   2107 
   2108 	$upload_action_url = admin_url( 'async-upload.php' );
   2109 	$post_id           = isset( $_REQUEST['post_id'] ) ? (int) $_REQUEST['post_id'] : 0;
   2110 	$_type             = isset( $type ) ? $type : '';
   2111 	$_tab              = isset( $tab ) ? $tab : '';
   2112 
   2113 	$max_upload_size = wp_max_upload_size();
   2114 	if ( ! $max_upload_size ) {
   2115 		$max_upload_size = 0;
   2116 	}
   2117 
   2118 	?>
   2119 	<div id="media-upload-notice">
   2120 	<?php
   2121 
   2122 	if ( isset( $errors['upload_notice'] ) ) {
   2123 		echo $errors['upload_notice'];
   2124 	}
   2125 
   2126 	?>
   2127 	</div>
   2128 	<div id="media-upload-error">
   2129 	<?php
   2130 
   2131 	if ( isset( $errors['upload_error'] ) && is_wp_error( $errors['upload_error'] ) ) {
   2132 		echo $errors['upload_error']->get_error_message();
   2133 	}
   2134 
   2135 	?>
   2136 	</div>
   2137 	<?php
   2138 
   2139 	if ( is_multisite() && ! is_upload_space_available() ) {
   2140 		/**
   2141 		 * Fires when an upload will exceed the defined upload space quota for a network site.
   2142 		 *
   2143 		 * @since 3.5.0
   2144 		 */
   2145 		do_action( 'upload_ui_over_quota' );
   2146 		return;
   2147 	}
   2148 
   2149 	/**
   2150 	 * Fires just before the legacy (pre-3.5.0) upload interface is loaded.
   2151 	 *
   2152 	 * @since 2.6.0
   2153 	 */
   2154 	do_action( 'pre-upload-ui' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
   2155 
   2156 	$post_params = array(
   2157 		'post_id'  => $post_id,
   2158 		'_wpnonce' => wp_create_nonce( 'media-form' ),
   2159 		'type'     => $_type,
   2160 		'tab'      => $_tab,
   2161 		'short'    => '1',
   2162 	);
   2163 
   2164 	/**
   2165 	 * Filters the media upload post parameters.
   2166 	 *
   2167 	 * @since 3.1.0 As 'swfupload_post_params'
   2168 	 * @since 3.3.0
   2169 	 *
   2170 	 * @param array $post_params An array of media upload parameters used by Plupload.
   2171 	 */
   2172 	$post_params = apply_filters( 'upload_post_params', $post_params );
   2173 
   2174 	/*
   2175 	* Since 4.9 the `runtimes` setting is hardcoded in our version of Plupload to `html5,html4`,
   2176 	* and the `flash_swf_url` and `silverlight_xap_url` are not used.
   2177 	*/
   2178 	$plupload_init = array(
   2179 		'browse_button'    => 'plupload-browse-button',
   2180 		'container'        => 'plupload-upload-ui',
   2181 		'drop_element'     => 'drag-drop-area',
   2182 		'file_data_name'   => 'async-upload',
   2183 		'url'              => $upload_action_url,
   2184 		'filters'          => array( 'max_file_size' => $max_upload_size . 'b' ),
   2185 		'multipart_params' => $post_params,
   2186 	);
   2187 
   2188 	/*
   2189 	 * Currently only iOS Safari supports multiple files uploading,
   2190 	 * but iOS 7.x has a bug that prevents uploading of videos when enabled.
   2191 	 * See #29602.
   2192 	 */
   2193 	if (
   2194 		wp_is_mobile() &&
   2195 		strpos( $_SERVER['HTTP_USER_AGENT'], 'OS 7_' ) !== false &&
   2196 		strpos( $_SERVER['HTTP_USER_AGENT'], 'like Mac OS X' ) !== false
   2197 	) {
   2198 		$plupload_init['multi_selection'] = false;
   2199 	}
   2200 
   2201 	// Check if WebP images can be edited.
   2202 	if ( ! wp_image_editor_supports( array( 'mime_type' => 'image/webp' ) ) ) {
   2203 		$plupload_init['webp_upload_error'] = true;
   2204 	}
   2205 
   2206 	/**
   2207 	 * Filters the default Plupload settings.
   2208 	 *
   2209 	 * @since 3.3.0
   2210 	 *
   2211 	 * @param array $plupload_init An array of default settings used by Plupload.
   2212 	 */
   2213 	$plupload_init = apply_filters( 'plupload_init', $plupload_init );
   2214 
   2215 	?>
   2216 	<script type="text/javascript">
   2217 	<?php
   2218 	// Verify size is an int. If not return default value.
   2219 	$large_size_h = absint( get_option( 'large_size_h' ) );
   2220 
   2221 	if ( ! $large_size_h ) {
   2222 		$large_size_h = 1024;
   2223 	}
   2224 
   2225 	$large_size_w = absint( get_option( 'large_size_w' ) );
   2226 
   2227 	if ( ! $large_size_w ) {
   2228 		$large_size_w = 1024;
   2229 	}
   2230 
   2231 	?>
   2232 	var resize_height = <?php echo $large_size_h; ?>, resize_width = <?php echo $large_size_w; ?>,
   2233 	wpUploaderInit = <?php echo wp_json_encode( $plupload_init ); ?>;
   2234 	</script>
   2235 
   2236 	<div id="plupload-upload-ui" class="hide-if-no-js">
   2237 	<?php
   2238 	/**
   2239 	 * Fires before the upload interface loads.
   2240 	 *
   2241 	 * @since 2.6.0 As 'pre-flash-upload-ui'
   2242 	 * @since 3.3.0
   2243 	 */
   2244 	do_action( 'pre-plupload-upload-ui' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
   2245 
   2246 	?>
   2247 	<div id="drag-drop-area">
   2248 		<div class="drag-drop-inside">
   2249 		<p class="drag-drop-info"><?php _e( 'Drop files to upload' ); ?></p>
   2250 		<p><?php _ex( 'or', 'Uploader: Drop files here - or - Select Files' ); ?></p>
   2251 		<p class="drag-drop-buttons"><input id="plupload-browse-button" type="button" value="<?php esc_attr_e( 'Select Files' ); ?>" class="button" /></p>
   2252 		</div>
   2253 	</div>
   2254 	<?php
   2255 	/**
   2256 	 * Fires after the upload interface loads.
   2257 	 *
   2258 	 * @since 2.6.0 As 'post-flash-upload-ui'
   2259 	 * @since 3.3.0
   2260 	 */
   2261 	do_action( 'post-plupload-upload-ui' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
   2262 	?>
   2263 	</div>
   2264 
   2265 	<div id="html-upload-ui" class="hide-if-js">
   2266 	<?php
   2267 	/**
   2268 	 * Fires before the upload button in the media upload interface.
   2269 	 *
   2270 	 * @since 2.6.0
   2271 	 */
   2272 	do_action( 'pre-html-upload-ui' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
   2273 
   2274 	?>
   2275 	<p id="async-upload-wrap">
   2276 		<label class="screen-reader-text" for="async-upload"><?php _e( 'Upload' ); ?></label>
   2277 		<input type="file" name="async-upload" id="async-upload" />
   2278 		<?php submit_button( __( 'Upload' ), 'primary', 'html-upload', false ); ?>
   2279 		<a href="#" onclick="try{top.tb_remove();}catch(e){}; return false;"><?php _e( 'Cancel' ); ?></a>
   2280 	</p>
   2281 	<div class="clear"></div>
   2282 	<?php
   2283 	/**
   2284 	 * Fires after the upload button in the media upload interface.
   2285 	 *
   2286 	 * @since 2.6.0
   2287 	 */
   2288 	do_action( 'post-html-upload-ui' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
   2289 
   2290 	?>
   2291 	</div>
   2292 
   2293 <p class="max-upload-size">
   2294 	<?php
   2295 	/* translators: %s: Maximum allowed file size. */
   2296 	printf( __( 'Maximum upload file size: %s.' ), esc_html( size_format( $max_upload_size ) ) );
   2297 	?>
   2298 </p>
   2299 	<?php
   2300 
   2301 	/**
   2302 	 * Fires on the post upload UI screen.
   2303 	 *
   2304 	 * Legacy (pre-3.5.0) media workflow hook.
   2305 	 *
   2306 	 * @since 2.6.0
   2307 	 */
   2308 	do_action( 'post-upload-ui' ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
   2309 }
   2310 
   2311 /**
   2312  * Outputs the legacy media upload form for a given media type.
   2313  *
   2314  * @since 2.5.0
   2315  *
   2316  * @param string       $type
   2317  * @param array        $errors
   2318  * @param int|WP_Error $id
   2319  */
   2320 function media_upload_type_form( $type = 'file', $errors = null, $id = null ) {
   2321 
   2322 	media_upload_header();
   2323 
   2324 	$post_id = isset( $_REQUEST['post_id'] ) ? (int) $_REQUEST['post_id'] : 0;
   2325 
   2326 	$form_action_url = admin_url( "media-upload.php?type=$type&tab=type&post_id=$post_id" );
   2327 
   2328 	/**
   2329 	 * Filters the media upload form action URL.
   2330 	 *
   2331 	 * @since 2.6.0
   2332 	 *
   2333 	 * @param string $form_action_url The media upload form action URL.
   2334 	 * @param string $type            The type of media. Default 'file'.
   2335 	 */
   2336 	$form_action_url = apply_filters( 'media_upload_form_url', $form_action_url, $type );
   2337 	$form_class      = 'media-upload-form type-form validate';
   2338 
   2339 	if ( get_user_setting( 'uploader' ) ) {
   2340 		$form_class .= ' html-uploader';
   2341 	}
   2342 
   2343 	?>
   2344 	<form enctype="multipart/form-data" method="post" action="<?php echo esc_url( $form_action_url ); ?>" class="<?php echo $form_class; ?>" id="<?php echo $type; ?>-form">
   2345 		<?php submit_button( '', 'hidden', 'save', false ); ?>
   2346 	<input type="hidden" name="post_id" id="post_id" value="<?php echo (int) $post_id; ?>" />
   2347 		<?php wp_nonce_field( 'media-form' ); ?>
   2348 
   2349 	<h3 class="media-title"><?php _e( 'Add media files from your computer' ); ?></h3>
   2350 
   2351 	<?php media_upload_form( $errors ); ?>
   2352 
   2353 	<script type="text/javascript">
   2354 	jQuery(function($){
   2355 		var preloaded = $(".media-item.preloaded");
   2356 		if ( preloaded.length > 0 ) {
   2357 			preloaded.each(function(){prepareMediaItem({id:this.id.replace(/[^0-9]/g, '')},'');});
   2358 		}
   2359 		updateMediaForm();
   2360 	});
   2361 	</script>
   2362 	<div id="media-items">
   2363 	<?php
   2364 
   2365 	if ( $id ) {
   2366 		if ( ! is_wp_error( $id ) ) {
   2367 			add_filter( 'attachment_fields_to_edit', 'media_post_single_attachment_fields_to_edit', 10, 2 );
   2368 			echo get_media_items( $id, $errors );
   2369 		} else {
   2370 			echo '<div id="media-upload-error">' . esc_html( $id->get_error_message() ) . '</div></div>';
   2371 			exit;
   2372 		}
   2373 	}
   2374 
   2375 	?>
   2376 	</div>
   2377 
   2378 	<p class="savebutton ml-submit">
   2379 		<?php submit_button( __( 'Save all changes' ), '', 'save', false ); ?>
   2380 	</p>
   2381 	</form>
   2382 	<?php
   2383 }
   2384 
   2385 /**
   2386  * Outputs the legacy media upload form for external media.
   2387  *
   2388  * @since 2.7.0
   2389  *
   2390  * @param string  $type
   2391  * @param object  $errors
   2392  * @param int     $id
   2393  */
   2394 function media_upload_type_url_form( $type = null, $errors = null, $id = null ) {
   2395 	if ( null === $type ) {
   2396 		$type = 'image';
   2397 	}
   2398 
   2399 	media_upload_header();
   2400 
   2401 	$post_id = isset( $_REQUEST['post_id'] ) ? (int) $_REQUEST['post_id'] : 0;
   2402 
   2403 	$form_action_url = admin_url( "media-upload.php?type=$type&tab=type&post_id=$post_id" );
   2404 	/** This filter is documented in wp-admin/includes/media.php */
   2405 	$form_action_url = apply_filters( 'media_upload_form_url', $form_action_url, $type );
   2406 	$form_class      = 'media-upload-form type-form validate';
   2407 
   2408 	if ( get_user_setting( 'uploader' ) ) {
   2409 		$form_class .= ' html-uploader';
   2410 	}
   2411 
   2412 	?>
   2413 	<form enctype="multipart/form-data" method="post" action="<?php echo esc_url( $form_action_url ); ?>" class="<?php echo $form_class; ?>" id="<?php echo $type; ?>-form">
   2414 	<input type="hidden" name="post_id" id="post_id" value="<?php echo (int) $post_id; ?>" />
   2415 		<?php wp_nonce_field( 'media-form' ); ?>
   2416 
   2417 	<h3 class="media-title"><?php _e( 'Insert media from another website' ); ?></h3>
   2418 
   2419 	<script type="text/javascript">
   2420 	var addExtImage = {
   2421 
   2422 	width : '',
   2423 	height : '',
   2424 	align : 'alignnone',
   2425 
   2426 	insert : function() {
   2427 		var t = this, html, f = document.forms[0], cls, title = '', alt = '', caption = '';
   2428 
   2429 		if ( '' === f.src.value || '' === t.width )
   2430 			return false;
   2431 
   2432 		if ( f.alt.value )
   2433 			alt = f.alt.value.replace(/'/g, '&#039;').replace(/"/g, '&quot;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
   2434 
   2435 		<?php
   2436 		/** This filter is documented in wp-admin/includes/media.php */
   2437 		if ( ! apply_filters( 'disable_captions', '' ) ) {
   2438 			?>
   2439 			if ( f.caption.value ) {
   2440 				caption = f.caption.value.replace(/\r\n|\r/g, '\n');
   2441 				caption = caption.replace(/<[a-zA-Z0-9]+( [^<>]+)?>/g, function(a){
   2442 					return a.replace(/[\r\n\t]+/, ' ');
   2443 				});
   2444 
   2445 				caption = caption.replace(/\s*\n\s*/g, '<br />');
   2446 			}
   2447 			<?php
   2448 		}
   2449 
   2450 		?>
   2451 		cls = caption ? '' : ' class="'+t.align+'"';
   2452 
   2453 		html = '<img alt="'+alt+'" src="'+f.src.value+'"'+cls+' width="'+t.width+'" height="'+t.height+'" />';
   2454 
   2455 		if ( f.url.value ) {
   2456 			url = f.url.value.replace(/'/g, '&#039;').replace(/"/g, '&quot;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
   2457 			html = '<a href="'+url+'">'+html+'</a>';
   2458 		}
   2459 
   2460 		if ( caption )
   2461 			html = '[caption id="" align="'+t.align+'" width="'+t.width+'"]'+html+caption+'[/caption]';
   2462 
   2463 		var win = window.dialogArguments || opener || parent || top;
   2464 		win.send_to_editor(html);
   2465 		return false;
   2466 	},
   2467 
   2468 	resetImageData : function() {
   2469 		var t = addExtImage;
   2470 
   2471 		t.width = t.height = '';
   2472 		document.getElementById('go_button').style.color = '#bbb';
   2473 		if ( ! document.forms[0].src.value )
   2474 			document.getElementById('status_img').innerHTML = '';
   2475 		else document.getElementById('status_img').innerHTML = '<img src="<?php echo esc_url( admin_url( 'images/no.png' ) ); ?>" alt="" />';
   2476 	},
   2477 
   2478 	updateImageData : function() {
   2479 		var t = addExtImage;
   2480 
   2481 		t.width = t.preloadImg.width;
   2482 		t.height = t.preloadImg.height;
   2483 		document.getElementById('go_button').style.color = '#333';
   2484 		document.getElementById('status_img').innerHTML = '<img src="<?php echo esc_url( admin_url( 'images/yes.png' ) ); ?>" alt="" />';
   2485 	},
   2486 
   2487 	getImageData : function() {
   2488 		if ( jQuery('table.describe').hasClass('not-image') )
   2489 			return;
   2490 
   2491 		var t = addExtImage, src = document.forms[0].src.value;
   2492 
   2493 		if ( ! src ) {
   2494 			t.resetImageData();
   2495 			return false;
   2496 		}
   2497 
   2498 		document.getElementById('status_img').innerHTML = '<img src="<?php echo esc_url( admin_url( 'images/spinner-2x.gif' ) ); ?>" alt="" width="16" height="16" />';
   2499 		t.preloadImg = new Image();
   2500 		t.preloadImg.onload = t.updateImageData;
   2501 		t.preloadImg.onerror = t.resetImageData;
   2502 		t.preloadImg.src = src;
   2503 	}
   2504 	};
   2505 
   2506 	jQuery(document).ready( function($) {
   2507 		$('.media-types input').click( function() {
   2508 			$('table.describe').toggleClass('not-image', $('#not-image').prop('checked') );
   2509 		});
   2510 	});
   2511 	</script>
   2512 
   2513 	<div id="media-items">
   2514 	<div class="media-item media-blank">
   2515 	<?php
   2516 	/**
   2517 	 * Filters the insert media from URL form HTML.
   2518 	 *
   2519 	 * @since 3.3.0
   2520 	 *
   2521 	 * @param string $form_html The insert from URL form HTML.
   2522 	 */
   2523 	echo apply_filters( 'type_url_form_media', wp_media_insert_url_form( $type ) );
   2524 
   2525 	?>
   2526 	</div>
   2527 	</div>
   2528 	</form>
   2529 	<?php
   2530 }
   2531 
   2532 /**
   2533  * Adds gallery form to upload iframe
   2534  *
   2535  * @since 2.5.0
   2536  *
   2537  * @global string $redir_tab
   2538  * @global string $type
   2539  * @global string $tab
   2540  *
   2541  * @param array $errors
   2542  */
   2543 function media_upload_gallery_form( $errors ) {
   2544 	global $redir_tab, $type;
   2545 
   2546 	$redir_tab = 'gallery';
   2547 	media_upload_header();
   2548 
   2549 	$post_id         = (int) $_REQUEST['post_id'];
   2550 	$form_action_url = admin_url( "media-upload.php?type=$type&tab=gallery&post_id=$post_id" );
   2551 	/** This filter is documented in wp-admin/includes/media.php */
   2552 	$form_action_url = apply_filters( 'media_upload_form_url', $form_action_url, $type );
   2553 	$form_class      = 'media-upload-form validate';
   2554 
   2555 	if ( get_user_setting( 'uploader' ) ) {
   2556 		$form_class .= ' html-uploader';
   2557 	}
   2558 
   2559 	?>
   2560 	<script type="text/javascript">
   2561 	jQuery(function($){
   2562 		var preloaded = $(".media-item.preloaded");
   2563 		if ( preloaded.length > 0 ) {
   2564 			preloaded.each(function(){prepareMediaItem({id:this.id.replace(/[^0-9]/g, '')},'');});
   2565 			updateMediaForm();
   2566 		}
   2567 	});
   2568 	</script>
   2569 	<div id="sort-buttons" class="hide-if-no-js">
   2570 	<span>
   2571 		<?php _e( 'All Tabs:' ); ?>
   2572 	<a href="#" id="showall"><?php _e( 'Show' ); ?></a>
   2573 	<a href="#" id="hideall" style="display:none;"><?php _e( 'Hide' ); ?></a>
   2574 	</span>
   2575 		<?php _e( 'Sort Order:' ); ?>
   2576 	<a href="#" id="asc"><?php _e( 'Ascending' ); ?></a> |
   2577 	<a href="#" id="desc"><?php _e( 'Descending' ); ?></a> |
   2578 	<a href="#" id="clear"><?php _ex( 'Clear', 'verb' ); ?></a>
   2579 	</div>
   2580 	<form enctype="multipart/form-data" method="post" action="<?php echo esc_url( $form_action_url ); ?>" class="<?php echo $form_class; ?>" id="gallery-form">
   2581 		<?php wp_nonce_field( 'media-form' ); ?>
   2582 		<?php // media_upload_form( $errors ); ?>
   2583 	<table class="widefat">
   2584 	<thead><tr>
   2585 	<th><?php _e( 'Media' ); ?></th>
   2586 	<th class="order-head"><?php _e( 'Order' ); ?></th>
   2587 	<th class="actions-head"><?php _e( 'Actions' ); ?></th>
   2588 	</tr></thead>
   2589 	</table>
   2590 	<div id="media-items">
   2591 		<?php add_filter( 'attachment_fields_to_edit', 'media_post_single_attachment_fields_to_edit', 10, 2 ); ?>
   2592 		<?php echo get_media_items( $post_id, $errors ); ?>
   2593 	</div>
   2594 
   2595 	<p class="ml-submit">
   2596 		<?php
   2597 		submit_button(
   2598 			__( 'Save all changes' ),
   2599 			'savebutton',
   2600 			'save',
   2601 			false,
   2602 			array(
   2603 				'id'    => 'save-all',
   2604 				'style' => 'display: none;',
   2605 			)
   2606 		);
   2607 		?>
   2608 	<input type="hidden" name="post_id" id="post_id" value="<?php echo (int) $post_id; ?>" />
   2609 	<input type="hidden" name="type" value="<?php echo esc_attr( $GLOBALS['type'] ); ?>" />
   2610 	<input type="hidden" name="tab" value="<?php echo esc_attr( $GLOBALS['tab'] ); ?>" />
   2611 	</p>
   2612 
   2613 	<div id="gallery-settings" style="display:none;">
   2614 	<div class="title"><?php _e( 'Gallery Settings' ); ?></div>
   2615 	<table id="basic" class="describe"><tbody>
   2616 		<tr>
   2617 		<th scope="row" class="label">
   2618 			<label>
   2619 			<span class="alignleft"><?php _e( 'Link thumbnails to:' ); ?></span>
   2620 			</label>
   2621 		</th>
   2622 		<td class="field">
   2623 			<input type="radio" name="linkto" id="linkto-file" value="file" />
   2624 			<label for="linkto-file" class="radio"><?php _e( 'Image File' ); ?></label>
   2625 
   2626 			<input type="radio" checked="checked" name="linkto" id="linkto-post" value="post" />
   2627 			<label for="linkto-post" class="radio"><?php _e( 'Attachment Page' ); ?></label>
   2628 		</td>
   2629 		</tr>
   2630 
   2631 		<tr>
   2632 		<th scope="row" class="label">
   2633 			<label>
   2634 			<span class="alignleft"><?php _e( 'Order images by:' ); ?></span>
   2635 			</label>
   2636 		</th>
   2637 		<td class="field">
   2638 			<select id="orderby" name="orderby">
   2639 				<option value="menu_order" selected="selected"><?php _e( 'Menu order' ); ?></option>
   2640 				<option value="title"><?php _e( 'Title' ); ?></option>
   2641 				<option value="post_date"><?php _e( 'Date/Time' ); ?></option>
   2642 				<option value="rand"><?php _e( 'Random' ); ?></option>
   2643 			</select>
   2644 		</td>
   2645 		</tr>
   2646 
   2647 		<tr>
   2648 		<th scope="row" class="label">
   2649 			<label>
   2650 			<span class="alignleft"><?php _e( 'Order:' ); ?></span>
   2651 			</label>
   2652 		</th>
   2653 		<td class="field">
   2654 			<input type="radio" checked="checked" name="order" id="order-asc" value="asc" />
   2655 			<label for="order-asc" class="radio"><?php _e( 'Ascending' ); ?></label>
   2656 
   2657 			<input type="radio" name="order" id="order-desc" value="desc" />
   2658 			<label for="order-desc" class="radio"><?php _e( 'Descending' ); ?></label>
   2659 		</td>
   2660 		</tr>
   2661 
   2662 		<tr>
   2663 		<th scope="row" class="label">
   2664 			<label>
   2665 			<span class="alignleft"><?php _e( 'Gallery columns:' ); ?></span>
   2666 			</label>
   2667 		</th>
   2668 		<td class="field">
   2669 			<select id="columns" name="columns">
   2670 				<option value="1">1</option>
   2671 				<option value="2">2</option>
   2672 				<option value="3" selected="selected">3</option>
   2673 				<option value="4">4</option>
   2674 				<option value="5">5</option>
   2675 				<option value="6">6</option>
   2676 				<option value="7">7</option>
   2677 				<option value="8">8</option>
   2678 				<option value="9">9</option>
   2679 			</select>
   2680 		</td>
   2681 		</tr>
   2682 	</tbody></table>
   2683 
   2684 	<p class="ml-submit">
   2685 	<input type="button" class="button" style="display:none;" onMouseDown="wpgallery.update();" name="insert-gallery" id="insert-gallery" value="<?php esc_attr_e( 'Insert gallery' ); ?>" />
   2686 	<input type="button" class="button" style="display:none;" onMouseDown="wpgallery.update();" name="update-gallery" id="update-gallery" value="<?php esc_attr_e( 'Update gallery settings' ); ?>" />
   2687 	</p>
   2688 	</div>
   2689 	</form>
   2690 	<?php
   2691 }
   2692 
   2693 /**
   2694  * Outputs the legacy media upload form for the media library.
   2695  *
   2696  * @since 2.5.0
   2697  *
   2698  * @global wpdb      $wpdb            WordPress database abstraction object.
   2699  * @global WP_Query  $wp_query        WordPress Query object.
   2700  * @global WP_Locale $wp_locale       WordPress date and time locale object.
   2701  * @global string    $type
   2702  * @global string    $tab
   2703  * @global array     $post_mime_types
   2704  *
   2705  * @param array $errors
   2706  */
   2707 function media_upload_library_form( $errors ) {
   2708 	global $wpdb, $wp_query, $wp_locale, $type, $tab, $post_mime_types;
   2709 
   2710 	media_upload_header();
   2711 
   2712 	$post_id = isset( $_REQUEST['post_id'] ) ? (int) $_REQUEST['post_id'] : 0;
   2713 
   2714 	$form_action_url = admin_url( "media-upload.php?type=$type&tab=library&post_id=$post_id" );
   2715 	/** This filter is documented in wp-admin/includes/media.php */
   2716 	$form_action_url = apply_filters( 'media_upload_form_url', $form_action_url, $type );
   2717 	$form_class      = 'media-upload-form validate';
   2718 
   2719 	if ( get_user_setting( 'uploader' ) ) {
   2720 		$form_class .= ' html-uploader';
   2721 	}
   2722 
   2723 	$q                   = $_GET;
   2724 	$q['posts_per_page'] = 10;
   2725 	$q['paged']          = isset( $q['paged'] ) ? (int) $q['paged'] : 0;
   2726 	if ( $q['paged'] < 1 ) {
   2727 		$q['paged'] = 1;
   2728 	}
   2729 	$q['offset'] = ( $q['paged'] - 1 ) * 10;
   2730 	if ( $q['offset'] < 1 ) {
   2731 		$q['offset'] = 0;
   2732 	}
   2733 
   2734 	list($post_mime_types, $avail_post_mime_types) = wp_edit_attachments_query( $q );
   2735 
   2736 	?>
   2737 	<form id="filter" method="get">
   2738 	<input type="hidden" name="type" value="<?php echo esc_attr( $type ); ?>" />
   2739 	<input type="hidden" name="tab" value="<?php echo esc_attr( $tab ); ?>" />
   2740 	<input type="hidden" name="post_id" value="<?php echo (int) $post_id; ?>" />
   2741 	<input type="hidden" name="post_mime_type" value="<?php echo isset( $_GET['post_mime_type'] ) ? esc_attr( $_GET['post_mime_type'] ) : ''; ?>" />
   2742 	<input type="hidden" name="context" value="<?php echo isset( $_GET['context'] ) ? esc_attr( $_GET['context'] ) : ''; ?>" />
   2743 
   2744 	<p id="media-search" class="search-box">
   2745 		<label class="screen-reader-text" for="media-search-input"><?php _e( 'Search Media' ); ?>:</label>
   2746 		<input type="search" id="media-search-input" name="s" value="<?php the_search_query(); ?>" />
   2747 		<?php submit_button( __( 'Search Media' ), '', '', false ); ?>
   2748 	</p>
   2749 
   2750 	<ul class="subsubsub">
   2751 		<?php
   2752 		$type_links = array();
   2753 		$_num_posts = (array) wp_count_attachments();
   2754 		$matches    = wp_match_mime_types( array_keys( $post_mime_types ), array_keys( $_num_posts ) );
   2755 		foreach ( $matches as $_type => $reals ) {
   2756 			foreach ( $reals as $real ) {
   2757 				if ( isset( $num_posts[ $_type ] ) ) {
   2758 					$num_posts[ $_type ] += $_num_posts[ $real ];
   2759 				} else {
   2760 					$num_posts[ $_type ] = $_num_posts[ $real ];
   2761 				}
   2762 			}
   2763 		}
   2764 		// If available type specified by media button clicked, filter by that type.
   2765 		if ( empty( $_GET['post_mime_type'] ) && ! empty( $num_posts[ $type ] ) ) {
   2766 			$_GET['post_mime_type']                        = $type;
   2767 			list($post_mime_types, $avail_post_mime_types) = wp_edit_attachments_query();
   2768 		}
   2769 		if ( empty( $_GET['post_mime_type'] ) || 'all' === $_GET['post_mime_type'] ) {
   2770 			$class = ' class="current"';
   2771 		} else {
   2772 			$class = '';
   2773 		}
   2774 		$type_links[] = '<li><a href="' . esc_url(
   2775 			add_query_arg(
   2776 				array(
   2777 					'post_mime_type' => 'all',
   2778 					'paged'          => false,
   2779 					'm'              => false,
   2780 				)
   2781 			)
   2782 		) . '"' . $class . '>' . __( 'All Types' ) . '</a>';
   2783 		foreach ( $post_mime_types as $mime_type => $label ) {
   2784 			$class = '';
   2785 
   2786 			if ( ! wp_match_mime_types( $mime_type, $avail_post_mime_types ) ) {
   2787 				continue;
   2788 			}
   2789 
   2790 			if ( isset( $_GET['post_mime_type'] ) && wp_match_mime_types( $mime_type, $_GET['post_mime_type'] ) ) {
   2791 				$class = ' class="current"';
   2792 			}
   2793 
   2794 			$type_links[] = '<li><a href="' . esc_url(
   2795 				add_query_arg(
   2796 					array(
   2797 						'post_mime_type' => $mime_type,
   2798 						'paged'          => false,
   2799 					)
   2800 				)
   2801 			) . '"' . $class . '>' . sprintf( translate_nooped_plural( $label[2], $num_posts[ $mime_type ] ), '<span id="' . $mime_type . '-counter">' . number_format_i18n( $num_posts[ $mime_type ] ) . '</span>' ) . '</a>';
   2802 		}
   2803 		/**
   2804 		 * Filters the media upload mime type list items.
   2805 		 *
   2806 		 * Returned values should begin with an `<li>` tag.
   2807 		 *
   2808 		 * @since 3.1.0
   2809 		 *
   2810 		 * @param string[] $type_links An array of list items containing mime type link HTML.
   2811 		 */
   2812 		echo implode( ' | </li>', apply_filters( 'media_upload_mime_type_links', $type_links ) ) . '</li>';
   2813 		unset( $type_links );
   2814 		?>
   2815 	</ul>
   2816 
   2817 	<div class="tablenav">
   2818 
   2819 		<?php
   2820 		$page_links = paginate_links(
   2821 			array(
   2822 				'base'      => add_query_arg( 'paged', '%#%' ),
   2823 				'format'    => '',
   2824 				'prev_text' => __( '&laquo;' ),
   2825 				'next_text' => __( '&raquo;' ),
   2826 				'total'     => ceil( $wp_query->found_posts / 10 ),
   2827 				'current'   => $q['paged'],
   2828 			)
   2829 		);
   2830 
   2831 		if ( $page_links ) {
   2832 			echo "<div class='tablenav-pages'>$page_links</div>";
   2833 		}
   2834 		?>
   2835 
   2836 	<div class="alignleft actions">
   2837 		<?php
   2838 
   2839 		$arc_query = "SELECT DISTINCT YEAR(post_date) AS yyear, MONTH(post_date) AS mmonth FROM $wpdb->posts WHERE post_type = 'attachment' ORDER BY post_date DESC";
   2840 
   2841 		$arc_result = $wpdb->get_results( $arc_query );
   2842 
   2843 		$month_count    = count( $arc_result );
   2844 		$selected_month = isset( $_GET['m'] ) ? $_GET['m'] : 0;
   2845 
   2846 		if ( $month_count && ! ( 1 == $month_count && 0 == $arc_result[0]->mmonth ) ) {
   2847 			?>
   2848 			<select name='m'>
   2849 			<option<?php selected( $selected_month, 0 ); ?> value='0'><?php _e( 'All dates' ); ?></option>
   2850 			<?php
   2851 
   2852 			foreach ( $arc_result as $arc_row ) {
   2853 				if ( 0 == $arc_row->yyear ) {
   2854 					continue;
   2855 				}
   2856 
   2857 				$arc_row->mmonth = zeroise( $arc_row->mmonth, 2 );
   2858 
   2859 				if ( $arc_row->yyear . $arc_row->mmonth == $selected_month ) {
   2860 					$default = ' selected="selected"';
   2861 				} else {
   2862 					$default = '';
   2863 				}
   2864 
   2865 				echo "<option$default value='" . esc_attr( $arc_row->yyear . $arc_row->mmonth ) . "'>";
   2866 				echo esc_html( $wp_locale->get_month( $arc_row->mmonth ) . " $arc_row->yyear" );
   2867 				echo "</option>\n";
   2868 			}
   2869 
   2870 			?>
   2871 			</select>
   2872 		<?php } ?>
   2873 
   2874 		<?php submit_button( __( 'Filter &#187;' ), '', 'post-query-submit', false ); ?>
   2875 
   2876 	</div>
   2877 
   2878 	<br class="clear" />
   2879 	</div>
   2880 	</form>
   2881 
   2882 	<form enctype="multipart/form-data" method="post" action="<?php echo esc_url( $form_action_url ); ?>" class="<?php echo $form_class; ?>" id="library-form">
   2883 	<?php wp_nonce_field( 'media-form' ); ?>
   2884 	<?php // media_upload_form( $errors ); ?>
   2885 
   2886 	<script type="text/javascript">
   2887 	jQuery(function($){
   2888 		var preloaded = $(".media-item.preloaded");
   2889 		if ( preloaded.length > 0 ) {
   2890 			preloaded.each(function(){prepareMediaItem({id:this.id.replace(/[^0-9]/g, '')},'');});
   2891 			updateMediaForm();
   2892 		}
   2893 	});
   2894 	</script>
   2895 
   2896 	<div id="media-items">
   2897 		<?php add_filter( 'attachment_fields_to_edit', 'media_post_single_attachment_fields_to_edit', 10, 2 ); ?>
   2898 		<?php echo get_media_items( null, $errors ); ?>
   2899 	</div>
   2900 	<p class="ml-submit">
   2901 		<?php submit_button( __( 'Save all changes' ), 'savebutton', 'save', false ); ?>
   2902 	<input type="hidden" name="post_id" id="post_id" value="<?php echo (int) $post_id; ?>" />
   2903 	</p>
   2904 	</form>
   2905 	<?php
   2906 }
   2907 
   2908 /**
   2909  * Creates the form for external url
   2910  *
   2911  * @since 2.7.0
   2912  *
   2913  * @param string $default_view
   2914  * @return string the form html
   2915  */
   2916 function wp_media_insert_url_form( $default_view = 'image' ) {
   2917 	/** This filter is documented in wp-admin/includes/media.php */
   2918 	if ( ! apply_filters( 'disable_captions', '' ) ) {
   2919 		$caption = '
   2920 		<tr class="image-only">
   2921 			<th scope="row" class="label">
   2922 				<label for="caption"><span class="alignleft">' . __( 'Image Caption' ) . '</span></label>
   2923 			</th>
   2924 			<td class="field"><textarea id="caption" name="caption"></textarea></td>
   2925 		</tr>';
   2926 	} else {
   2927 		$caption = '';
   2928 	}
   2929 
   2930 	$default_align = get_option( 'image_default_align' );
   2931 
   2932 	if ( empty( $default_align ) ) {
   2933 		$default_align = 'none';
   2934 	}
   2935 
   2936 	if ( 'image' === $default_view ) {
   2937 		$view        = 'image-only';
   2938 		$table_class = '';
   2939 	} else {
   2940 		$view        = 'not-image';
   2941 		$table_class = $view;
   2942 	}
   2943 
   2944 	return '
   2945 	<p class="media-types"><label><input type="radio" name="media_type" value="image" id="image-only"' . checked( 'image-only', $view, false ) . ' /> ' . __( 'Image' ) . '</label> &nbsp; &nbsp; <label><input type="radio" name="media_type" value="generic" id="not-image"' . checked( 'not-image', $view, false ) . ' /> ' . __( 'Audio, Video, or Other File' ) . '</label></p>
   2946 	<p class="media-types media-types-required-info">' .
   2947 		/* translators: %s: Asterisk symbol (*). */
   2948 		sprintf( __( 'Required fields are marked %s' ), '<span class="required">*</span>' ) .
   2949 	'</p>
   2950 	<table class="describe ' . $table_class . '"><tbody>
   2951 		<tr>
   2952 			<th scope="row" class="label" style="width:130px;">
   2953 				<label for="src"><span class="alignleft">' . __( 'URL' ) . '</span> <span class="required">*</span></label>
   2954 				<span class="alignright" id="status_img"></span>
   2955 			</th>
   2956 			<td class="field"><input id="src" name="src" value="" type="text" required onblur="addExtImage.getImageData()" /></td>
   2957 		</tr>
   2958 
   2959 		<tr>
   2960 			<th scope="row" class="label">
   2961 				<label for="title"><span class="alignleft">' . __( 'Title' ) . '</span> <span class="required">*</span></label>
   2962 			</th>
   2963 			<td class="field"><input id="title" name="title" value="" type="text" required /></td>
   2964 		</tr>
   2965 
   2966 		<tr class="not-image"><td></td><td><p class="help">' . __( 'Link text, e.g. &#8220;Ransom Demands (PDF)&#8221;' ) . '</p></td></tr>
   2967 
   2968 		<tr class="image-only">
   2969 			<th scope="row" class="label">
   2970 				<label for="alt"><span class="alignleft">' . __( 'Alternative Text' ) . '</span></label>
   2971 			</th>
   2972 			<td class="field"><input id="alt" name="alt" value="" type="text" required />
   2973 			<p class="help">' . __( 'Alt text for the image, e.g. &#8220;The Mona Lisa&#8221;' ) . '</p></td>
   2974 		</tr>
   2975 		' . $caption . '
   2976 		<tr class="align image-only">
   2977 			<th scope="row" class="label"><p><label for="align">' . __( 'Alignment' ) . '</label></p></th>
   2978 			<td class="field">
   2979 				<input name="align" id="align-none" value="none" onclick="addExtImage.align=\'align\'+this.value" type="radio"' . ( 'none' === $default_align ? ' checked="checked"' : '' ) . ' />
   2980 				<label for="align-none" class="align image-align-none-label">' . __( 'None' ) . '</label>
   2981 				<input name="align" id="align-left" value="left" onclick="addExtImage.align=\'align\'+this.value" type="radio"' . ( 'left' === $default_align ? ' checked="checked"' : '' ) . ' />
   2982 				<label for="align-left" class="align image-align-left-label">' . __( 'Left' ) . '</label>
   2983 				<input name="align" id="align-center" value="center" onclick="addExtImage.align=\'align\'+this.value" type="radio"' . ( 'center' === $default_align ? ' checked="checked"' : '' ) . ' />
   2984 				<label for="align-center" class="align image-align-center-label">' . __( 'Center' ) . '</label>
   2985 				<input name="align" id="align-right" value="right" onclick="addExtImage.align=\'align\'+this.value" type="radio"' . ( 'right' === $default_align ? ' checked="checked"' : '' ) . ' />
   2986 				<label for="align-right" class="align image-align-right-label">' . __( 'Right' ) . '</label>
   2987 			</td>
   2988 		</tr>
   2989 
   2990 		<tr class="image-only">
   2991 			<th scope="row" class="label">
   2992 				<label for="url"><span class="alignleft">' . __( 'Link Image To:' ) . '</span></label>
   2993 			</th>
   2994 			<td class="field"><input id="url" name="url" value="" type="text" /><br />
   2995 
   2996 			<button type="button" class="button" value="" onclick="document.forms[0].url.value=null">' . __( 'None' ) . '</button>
   2997 			<button type="button" class="button" value="" onclick="document.forms[0].url.value=document.forms[0].src.value">' . __( 'Link to image' ) . '</button>
   2998 			<p class="help">' . __( 'Enter a link URL or click above for presets.' ) . '</p></td>
   2999 		</tr>
   3000 		<tr class="image-only">
   3001 			<td></td>
   3002 			<td>
   3003 				<input type="button" class="button" id="go_button" style="color:#bbb;" onclick="addExtImage.insert()" value="' . esc_attr__( 'Insert into Post' ) . '" />
   3004 			</td>
   3005 		</tr>
   3006 		<tr class="not-image">
   3007 			<td></td>
   3008 			<td>
   3009 				' . get_submit_button( __( 'Insert into Post' ), '', 'insertonlybutton', false ) . '
   3010 			</td>
   3011 		</tr>
   3012 	</tbody></table>';
   3013 }
   3014 
   3015 /**
   3016  * Displays the multi-file uploader message.
   3017  *
   3018  * @since 2.6.0
   3019  *
   3020  * @global int $post_ID
   3021  */
   3022 function media_upload_flash_bypass() {
   3023 	$browser_uploader = admin_url( 'media-new.php?browser-uploader' );
   3024 
   3025 	$post = get_post();
   3026 	if ( $post ) {
   3027 		$browser_uploader .= '&amp;post_id=' . (int) $post->ID;
   3028 	} elseif ( ! empty( $GLOBALS['post_ID'] ) ) {
   3029 		$browser_uploader .= '&amp;post_id=' . (int) $GLOBALS['post_ID'];
   3030 	}
   3031 
   3032 	?>
   3033 	<p class="upload-flash-bypass">
   3034 	<?php
   3035 		printf(
   3036 			/* translators: 1: URL to browser uploader, 2: Additional link attributes. */
   3037 			__( 'You are using the multi-file uploader. Problems? Try the <a href="%1$s" %2$s>browser uploader</a> instead.' ),
   3038 			$browser_uploader,
   3039 			'target="_blank"'
   3040 		);
   3041 	?>
   3042 	</p>
   3043 	<?php
   3044 }
   3045 
   3046 /**
   3047  * Displays the browser's built-in uploader message.
   3048  *
   3049  * @since 2.6.0
   3050  */
   3051 function media_upload_html_bypass() {
   3052 	?>
   3053 	<p class="upload-html-bypass hide-if-no-js">
   3054 		<?php _e( 'You are using the browser&#8217;s built-in file uploader. The WordPress uploader includes multiple file selection and drag and drop capability. <a href="#">Switch to the multi-file uploader</a>.' ); ?>
   3055 	</p>
   3056 	<?php
   3057 }
   3058 
   3059 /**
   3060  * Used to display a "After a file has been uploaded..." help message.
   3061  *
   3062  * @since 3.3.0
   3063  */
   3064 function media_upload_text_after() {}
   3065 
   3066 /**
   3067  * Displays the checkbox to scale images.
   3068  *
   3069  * @since 3.3.0
   3070  */
   3071 function media_upload_max_image_resize() {
   3072 	$checked = get_user_setting( 'upload_resize' ) ? ' checked="true"' : '';
   3073 	$a       = '';
   3074 	$end     = '';
   3075 
   3076 	if ( current_user_can( 'manage_options' ) ) {
   3077 		$a   = '<a href="' . esc_url( admin_url( 'options-media.php' ) ) . '" target="_blank">';
   3078 		$end = '</a>';
   3079 	}
   3080 
   3081 	?>
   3082 	<p class="hide-if-no-js"><label>
   3083 	<input name="image_resize" type="checkbox" id="image_resize" value="true"<?php echo $checked; ?> />
   3084 	<?php
   3085 	/* translators: 1: Link start tag, 2: Link end tag, 3: Width, 4: Height. */
   3086 	printf( __( 'Scale images to match the large size selected in %1$simage options%2$s (%3$d &times; %4$d).' ), $a, $end, (int) get_option( 'large_size_w', '1024' ), (int) get_option( 'large_size_h', '1024' ) );
   3087 
   3088 	?>
   3089 	</label></p>
   3090 	<?php
   3091 }
   3092 
   3093 /**
   3094  * Displays the out of storage quota message in Multisite.
   3095  *
   3096  * @since 3.5.0
   3097  */
   3098 function multisite_over_quota_message() {
   3099 	echo '<p>' . sprintf(
   3100 		/* translators: %s: Allowed space allocation. */
   3101 		__( 'Sorry, you have used your space allocation of %s. Please delete some files to upload more files.' ),
   3102 		size_format( get_space_allowed() * MB_IN_BYTES )
   3103 	) . '</p>';
   3104 }
   3105 
   3106 /**
   3107  * Displays the image and editor in the post editor
   3108  *
   3109  * @since 3.5.0
   3110  *
   3111  * @param WP_Post $post A post object.
   3112  */
   3113 function edit_form_image_editor( $post ) {
   3114 	$open = isset( $_GET['image-editor'] );
   3115 
   3116 	if ( $open ) {
   3117 		require_once ABSPATH . 'wp-admin/includes/image-edit.php';
   3118 	}
   3119 
   3120 	$thumb_url     = false;
   3121 	$attachment_id = (int) $post->ID;
   3122 
   3123 	if ( $attachment_id ) {
   3124 		$thumb_url = wp_get_attachment_image_src( $attachment_id, array( 900, 450 ), true );
   3125 	}
   3126 
   3127 	$alt_text = get_post_meta( $post->ID, '_wp_attachment_image_alt', true );
   3128 
   3129 	$att_url = wp_get_attachment_url( $post->ID );
   3130 	?>
   3131 	<div class="wp_attachment_holder wp-clearfix">
   3132 	<?php
   3133 
   3134 	if ( wp_attachment_is_image( $post->ID ) ) :
   3135 		$image_edit_button = '';
   3136 		if ( wp_image_editor_supports( array( 'mime_type' => $post->post_mime_type ) ) ) {
   3137 			$nonce             = wp_create_nonce( "image_editor-$post->ID" );
   3138 			$image_edit_button = "<input type='button' id='imgedit-open-btn-$post->ID' onclick='imageEdit.open( $post->ID, \"$nonce\" )' class='button' value='" . esc_attr__( 'Edit Image' ) . "' /> <span class='spinner'></span>";
   3139 		}
   3140 
   3141 		$open_style     = '';
   3142 		$not_open_style = '';
   3143 
   3144 		if ( $open ) {
   3145 			$open_style = ' style="display:none"';
   3146 		} else {
   3147 			$not_open_style = ' style="display:none"';
   3148 		}
   3149 
   3150 		?>
   3151 		<div class="imgedit-response" id="imgedit-response-<?php echo $attachment_id; ?>"></div>
   3152 
   3153 		<div<?php echo $open_style; ?> class="wp_attachment_image wp-clearfix" id="media-head-<?php echo $attachment_id; ?>">
   3154 			<p id="thumbnail-head-<?php echo $attachment_id; ?>"><img class="thumbnail" src="<?php echo set_url_scheme( $thumb_url[0] ); ?>" style="max-width:100%" alt="" /></p>
   3155 			<p><?php echo $image_edit_button; ?></p>
   3156 		</div>
   3157 		<div<?php echo $not_open_style; ?> class="image-editor" id="image-editor-<?php echo $attachment_id; ?>">
   3158 		<?php
   3159 
   3160 		if ( $open ) {
   3161 			wp_image_editor( $attachment_id );
   3162 		}
   3163 
   3164 		?>
   3165 		</div>
   3166 		<?php
   3167 	elseif ( $attachment_id && wp_attachment_is( 'audio', $post ) ) :
   3168 
   3169 		wp_maybe_generate_attachment_metadata( $post );
   3170 
   3171 		echo wp_audio_shortcode( array( 'src' => $att_url ) );
   3172 
   3173 	elseif ( $attachment_id && wp_attachment_is( 'video', $post ) ) :
   3174 
   3175 		wp_maybe_generate_attachment_metadata( $post );
   3176 
   3177 		$meta = wp_get_attachment_metadata( $attachment_id );
   3178 		$w    = ! empty( $meta['width'] ) ? min( $meta['width'], 640 ) : 0;
   3179 		$h    = ! empty( $meta['height'] ) ? $meta['height'] : 0;
   3180 
   3181 		if ( $h && $w < $meta['width'] ) {
   3182 			$h = round( ( $meta['height'] * $w ) / $meta['width'] );
   3183 		}
   3184 
   3185 		$attr = array( 'src' => $att_url );
   3186 
   3187 		if ( ! empty( $w ) && ! empty( $h ) ) {
   3188 			$attr['width']  = $w;
   3189 			$attr['height'] = $h;
   3190 		}
   3191 
   3192 		$thumb_id = get_post_thumbnail_id( $attachment_id );
   3193 
   3194 		if ( ! empty( $thumb_id ) ) {
   3195 			$attr['poster'] = wp_get_attachment_url( $thumb_id );
   3196 		}
   3197 
   3198 		echo wp_video_shortcode( $attr );
   3199 
   3200 	elseif ( isset( $thumb_url[0] ) ) :
   3201 		?>
   3202 		<div class="wp_attachment_image wp-clearfix" id="media-head-<?php echo $attachment_id; ?>">
   3203 			<p id="thumbnail-head-<?php echo $attachment_id; ?>">
   3204 				<img class="thumbnail" src="<?php echo set_url_scheme( $thumb_url[0] ); ?>" style="max-width:100%" alt="" />
   3205 			</p>
   3206 		</div>
   3207 		<?php
   3208 
   3209 	else :
   3210 
   3211 		/**
   3212 		 * Fires when an attachment type can't be rendered in the edit form.
   3213 		 *
   3214 		 * @since 4.6.0
   3215 		 *
   3216 		 * @param WP_Post $post A post object.
   3217 		 */
   3218 		do_action( 'wp_edit_form_attachment_display', $post );
   3219 
   3220 	endif;
   3221 
   3222 	?>
   3223 	</div>
   3224 	<div class="wp_attachment_details edit-form-section">
   3225 	<?php if ( 'image' === substr( $post->post_mime_type, 0, 5 ) ) : ?>
   3226 		<p class="attachment-alt-text">
   3227 			<label for="attachment_alt"><strong><?php _e( 'Alternative Text' ); ?></strong></label><br />
   3228 			<input type="text" class="widefat" name="_wp_attachment_image_alt" id="attachment_alt" aria-describedby="alt-text-description" value="<?php echo esc_attr( $alt_text ); ?>" />
   3229 		</p>
   3230 		<p class="attachment-alt-text-description" id="alt-text-description">
   3231 		<?php
   3232 
   3233 		printf(
   3234 			/* translators: 1: Link to tutorial, 2: Additional link attributes, 3: Accessibility text. */
   3235 			__( '<a href="%1$s" %2$s>Describe the purpose of the image%3$s</a>. Leave empty if the image is purely decorative.' ),
   3236 			esc_url( 'https://www.w3.org/WAI/tutorials/images/decision-tree' ),
   3237 			'target="_blank" rel="noopener"',
   3238 			sprintf(
   3239 				'<span class="screen-reader-text"> %s</span>',
   3240 				/* translators: Accessibility text. */
   3241 				__( '(opens in a new tab)' )
   3242 			)
   3243 		);
   3244 
   3245 		?>
   3246 		</p>
   3247 	<?php endif; ?>
   3248 
   3249 		<p>
   3250 			<label for="attachment_caption"><strong><?php _e( 'Caption' ); ?></strong></label><br />
   3251 			<textarea class="widefat" name="excerpt" id="attachment_caption"><?php echo $post->post_excerpt; ?></textarea>
   3252 		</p>
   3253 
   3254 	<?php
   3255 
   3256 	$quicktags_settings = array( 'buttons' => 'strong,em,link,block,del,ins,img,ul,ol,li,code,close' );
   3257 	$editor_args        = array(
   3258 		'textarea_name' => 'content',
   3259 		'textarea_rows' => 5,
   3260 		'media_buttons' => false,
   3261 		'tinymce'       => false,
   3262 		'quicktags'     => $quicktags_settings,
   3263 	);
   3264 
   3265 	?>
   3266 
   3267 	<label for="attachment_content" class="attachment-content-description"><strong><?php _e( 'Description' ); ?></strong>
   3268 	<?php
   3269 
   3270 	if ( preg_match( '#^(audio|video)/#', $post->post_mime_type ) ) {
   3271 		echo ': ' . __( 'Displayed on attachment pages.' );
   3272 	}
   3273 
   3274 	?>
   3275 	</label>
   3276 	<?php wp_editor( format_to_edit( $post->post_content ), 'attachment_content', $editor_args ); ?>
   3277 
   3278 	</div>
   3279 	<?php
   3280 
   3281 	$extras = get_compat_media_markup( $post->ID );
   3282 	echo $extras['item'];
   3283 	echo '<input type="hidden" id="image-edit-context" value="edit-attachment" />' . "\n";
   3284 }
   3285 
   3286 /**
   3287  * Displays non-editable attachment metadata in the publish meta box.
   3288  *
   3289  * @since 3.5.0
   3290  */
   3291 function attachment_submitbox_metadata() {
   3292 	$post          = get_post();
   3293 	$attachment_id = $post->ID;
   3294 
   3295 	$file     = get_attached_file( $attachment_id );
   3296 	$filename = esc_html( wp_basename( $file ) );
   3297 
   3298 	$media_dims = '';
   3299 	$meta       = wp_get_attachment_metadata( $attachment_id );
   3300 
   3301 	if ( isset( $meta['width'], $meta['height'] ) ) {
   3302 		$media_dims .= "<span id='media-dims-$attachment_id'>{$meta['width']}&nbsp;&times;&nbsp;{$meta['height']}</span> ";
   3303 	}
   3304 	/** This filter is documented in wp-admin/includes/media.php */
   3305 	$media_dims = apply_filters( 'media_meta', $media_dims, $post );
   3306 
   3307 	$att_url = wp_get_attachment_url( $attachment_id );
   3308 
   3309 	$author = new WP_User( $post->post_author );
   3310 
   3311 	$uploaded_by_name = __( '(no author)' );
   3312 	$uploaded_by_link = '';
   3313 
   3314 	if ( $author->exists() ) {
   3315 		$uploaded_by_name = $author->display_name ? $author->display_name : $author->nickname;
   3316 		$uploaded_by_link = get_edit_user_link( $author->ID );
   3317 	}
   3318 	?>
   3319 	<div class="misc-pub-section misc-pub-uploadedby">
   3320 		<?php if ( $uploaded_by_link ) { ?>
   3321 			<?php _e( 'Uploaded by:' ); ?> <a href="<?php echo $uploaded_by_link; ?>"><strong><?php echo $uploaded_by_name; ?></strong></a>
   3322 		<?php } else { ?>
   3323 			<?php _e( 'Uploaded by:' ); ?> <strong><?php echo $uploaded_by_name; ?></strong>
   3324 		<?php } ?>
   3325 	</div>
   3326 
   3327 	<?php
   3328 	if ( $post->post_parent ) {
   3329 		$post_parent = get_post( $post->post_parent );
   3330 		if ( $post_parent ) {
   3331 			$uploaded_to_title = $post_parent->post_title ? $post_parent->post_title : __( '(no title)' );
   3332 			$uploaded_to_link  = get_edit_post_link( $post->post_parent, 'raw' );
   3333 			?>
   3334 			<div class="misc-pub-section misc-pub-uploadedto">
   3335 				<?php if ( $uploaded_to_link ) { ?>
   3336 					<?php _e( 'Uploaded to:' ); ?> <a href="<?php echo $uploaded_to_link; ?>"><strong><?php echo $uploaded_to_title; ?></strong></a>
   3337 				<?php } else { ?>
   3338 					<?php _e( 'Uploaded to:' ); ?> <strong><?php echo $uploaded_to_title; ?></strong>
   3339 				<?php } ?>
   3340 			</div>
   3341 			<?php
   3342 		}
   3343 	}
   3344 	?>
   3345 
   3346 	<div class="misc-pub-section misc-pub-attachment">
   3347 		<label for="attachment_url"><?php _e( 'File URL:' ); ?></label>
   3348 		<input type="text" class="widefat urlfield" readonly="readonly" name="attachment_url" id="attachment_url" value="<?php echo esc_attr( $att_url ); ?>" />
   3349 		<span class="copy-to-clipboard-container">
   3350 			<button type="button" class="button copy-attachment-url edit-media" data-clipboard-target="#attachment_url"><?php _e( 'Copy URL to clipboard' ); ?></button>
   3351 			<span class="success hidden" aria-hidden="true"><?php _e( 'Copied!' ); ?></span>
   3352 		</span>
   3353 	</div>
   3354 	<div class="misc-pub-section misc-pub-filename">
   3355 		<?php _e( 'File name:' ); ?> <strong><?php echo $filename; ?></strong>
   3356 	</div>
   3357 	<div class="misc-pub-section misc-pub-filetype">
   3358 		<?php _e( 'File type:' ); ?>
   3359 		<strong>
   3360 		<?php
   3361 
   3362 		if ( preg_match( '/^.*?\.(\w+)$/', get_attached_file( $post->ID ), $matches ) ) {
   3363 			echo esc_html( strtoupper( $matches[1] ) );
   3364 			list( $mime_type ) = explode( '/', $post->post_mime_type );
   3365 			if ( 'image' !== $mime_type && ! empty( $meta['mime_type'] ) ) {
   3366 				if ( "$mime_type/" . strtolower( $matches[1] ) !== $meta['mime_type'] ) {
   3367 					echo ' (' . $meta['mime_type'] . ')';
   3368 				}
   3369 			}
   3370 		} else {
   3371 			echo strtoupper( str_replace( 'image/', '', $post->post_mime_type ) );
   3372 		}
   3373 
   3374 		?>
   3375 		</strong>
   3376 	</div>
   3377 
   3378 	<?php
   3379 
   3380 	$file_size = false;
   3381 
   3382 	if ( isset( $meta['filesize'] ) ) {
   3383 		$file_size = $meta['filesize'];
   3384 	} elseif ( file_exists( $file ) ) {
   3385 		$file_size = filesize( $file );
   3386 	}
   3387 
   3388 	if ( ! empty( $file_size ) ) {
   3389 		?>
   3390 		<div class="misc-pub-section misc-pub-filesize">
   3391 			<?php _e( 'File size:' ); ?> <strong><?php echo size_format( $file_size ); ?></strong>
   3392 		</div>
   3393 		<?php
   3394 	}
   3395 
   3396 	if ( preg_match( '#^(audio|video)/#', $post->post_mime_type ) ) {
   3397 		$fields = array(
   3398 			'length_formatted' => __( 'Length:' ),
   3399 			'bitrate'          => __( 'Bitrate:' ),
   3400 		);
   3401 
   3402 		/**
   3403 		 * Filters the audio and video metadata fields to be shown in the publish meta box.
   3404 		 *
   3405 		 * The key for each item in the array should correspond to an attachment
   3406 		 * metadata key, and the value should be the desired label.
   3407 		 *
   3408 		 * @since 3.7.0
   3409 		 * @since 4.9.0 Added the `$post` parameter.
   3410 		 *
   3411 		 * @param array   $fields An array of the attachment metadata keys and labels.
   3412 		 * @param WP_Post $post   WP_Post object for the current attachment.
   3413 		 */
   3414 		$fields = apply_filters( 'media_submitbox_misc_sections', $fields, $post );
   3415 
   3416 		foreach ( $fields as $key => $label ) {
   3417 			if ( empty( $meta[ $key ] ) ) {
   3418 				continue;
   3419 			}
   3420 
   3421 			?>
   3422 			<div class="misc-pub-section misc-pub-mime-meta misc-pub-<?php echo sanitize_html_class( $key ); ?>">
   3423 				<?php echo $label; ?>
   3424 				<strong>
   3425 				<?php
   3426 
   3427 				switch ( $key ) {
   3428 					case 'bitrate':
   3429 						echo round( $meta['bitrate'] / 1000 ) . 'kb/s';
   3430 						if ( ! empty( $meta['bitrate_mode'] ) ) {
   3431 							echo ' ' . strtoupper( esc_html( $meta['bitrate_mode'] ) );
   3432 						}
   3433 						break;
   3434 					default:
   3435 						echo esc_html( $meta[ $key ] );
   3436 						break;
   3437 				}
   3438 
   3439 				?>
   3440 				</strong>
   3441 			</div>
   3442 			<?php
   3443 		}
   3444 
   3445 		$fields = array(
   3446 			'dataformat' => __( 'Audio Format:' ),
   3447 			'codec'      => __( 'Audio Codec:' ),
   3448 		);
   3449 
   3450 		/**
   3451 		 * Filters the audio attachment metadata fields to be shown in the publish meta box.
   3452 		 *
   3453 		 * The key for each item in the array should correspond to an attachment
   3454 		 * metadata key, and the value should be the desired label.
   3455 		 *
   3456 		 * @since 3.7.0
   3457 		 * @since 4.9.0 Added the `$post` parameter.
   3458 		 *
   3459 		 * @param array   $fields An array of the attachment metadata keys and labels.
   3460 		 * @param WP_Post $post   WP_Post object for the current attachment.
   3461 		 */
   3462 		$audio_fields = apply_filters( 'audio_submitbox_misc_sections', $fields, $post );
   3463 
   3464 		foreach ( $audio_fields as $key => $label ) {
   3465 			if ( empty( $meta['audio'][ $key ] ) ) {
   3466 				continue;
   3467 			}
   3468 
   3469 			?>
   3470 			<div class="misc-pub-section misc-pub-audio misc-pub-<?php echo sanitize_html_class( $key ); ?>">
   3471 				<?php echo $label; ?> <strong><?php echo esc_html( $meta['audio'][ $key ] ); ?></strong>
   3472 			</div>
   3473 			<?php
   3474 		}
   3475 	}
   3476 
   3477 	if ( $media_dims ) {
   3478 		?>
   3479 		<div class="misc-pub-section misc-pub-dimensions">
   3480 			<?php _e( 'Dimensions:' ); ?> <strong><?php echo $media_dims; ?></strong>
   3481 		</div>
   3482 		<?php
   3483 	}
   3484 
   3485 	if ( ! empty( $meta['original_image'] ) ) {
   3486 		?>
   3487 		<div class="misc-pub-section misc-pub-original-image">
   3488 			<?php _e( 'Original image:' ); ?>
   3489 			<a href="<?php echo esc_url( wp_get_original_image_url( $attachment_id ) ); ?>">
   3490 				<?php echo esc_html( wp_basename( wp_get_original_image_path( $attachment_id ) ) ); ?>
   3491 			</a>
   3492 		</div>
   3493 		<?php
   3494 	}
   3495 }
   3496 
   3497 /**
   3498  * Parse ID3v2, ID3v1, and getID3 comments to extract usable data
   3499  *
   3500  * @since 3.6.0
   3501  *
   3502  * @param array $metadata An existing array with data
   3503  * @param array $data Data supplied by ID3 tags
   3504  */
   3505 function wp_add_id3_tag_data( &$metadata, $data ) {
   3506 	foreach ( array( 'id3v2', 'id3v1' ) as $version ) {
   3507 		if ( ! empty( $data[ $version ]['comments'] ) ) {
   3508 			foreach ( $data[ $version ]['comments'] as $key => $list ) {
   3509 				if ( 'length' !== $key && ! empty( $list ) ) {
   3510 					$metadata[ $key ] = wp_kses_post( reset( $list ) );
   3511 					// Fix bug in byte stream analysis.
   3512 					if ( 'terms_of_use' === $key && 0 === strpos( $metadata[ $key ], 'yright notice.' ) ) {
   3513 						$metadata[ $key ] = 'Cop' . $metadata[ $key ];
   3514 					}
   3515 				}
   3516 			}
   3517 			break;
   3518 		}
   3519 	}
   3520 
   3521 	if ( ! empty( $data['id3v2']['APIC'] ) ) {
   3522 		$image = reset( $data['id3v2']['APIC'] );
   3523 		if ( ! empty( $image['data'] ) ) {
   3524 			$metadata['image'] = array(
   3525 				'data'   => $image['data'],
   3526 				'mime'   => $image['image_mime'],
   3527 				'width'  => $image['image_width'],
   3528 				'height' => $image['image_height'],
   3529 			);
   3530 		}
   3531 	} elseif ( ! empty( $data['comments']['picture'] ) ) {
   3532 		$image = reset( $data['comments']['picture'] );
   3533 		if ( ! empty( $image['data'] ) ) {
   3534 			$metadata['image'] = array(
   3535 				'data' => $image['data'],
   3536 				'mime' => $image['image_mime'],
   3537 			);
   3538 		}
   3539 	}
   3540 }
   3541 
   3542 /**
   3543  * Retrieve metadata from a video file's ID3 tags
   3544  *
   3545  * @since 3.6.0
   3546  *
   3547  * @param string $file Path to file.
   3548  * @return array|false Returns array of metadata, if found.
   3549  */
   3550 function wp_read_video_metadata( $file ) {
   3551 	if ( ! file_exists( $file ) ) {
   3552 		return false;
   3553 	}
   3554 
   3555 	$metadata = array();
   3556 
   3557 	if ( ! defined( 'GETID3_TEMP_DIR' ) ) {
   3558 		define( 'GETID3_TEMP_DIR', get_temp_dir() );
   3559 	}
   3560 
   3561 	if ( ! class_exists( 'getID3', false ) ) {
   3562 		require ABSPATH . WPINC . '/ID3/getid3.php';
   3563 	}
   3564 
   3565 	$id3  = new getID3();
   3566 	$data = $id3->analyze( $file );
   3567 
   3568 	if ( isset( $data['video']['lossless'] ) ) {
   3569 		$metadata['lossless'] = $data['video']['lossless'];
   3570 	}
   3571 
   3572 	if ( ! empty( $data['video']['bitrate'] ) ) {
   3573 		$metadata['bitrate'] = (int) $data['video']['bitrate'];
   3574 	}
   3575 
   3576 	if ( ! empty( $data['video']['bitrate_mode'] ) ) {
   3577 		$metadata['bitrate_mode'] = $data['video']['bitrate_mode'];
   3578 	}
   3579 
   3580 	if ( ! empty( $data['filesize'] ) ) {
   3581 		$metadata['filesize'] = (int) $data['filesize'];
   3582 	}
   3583 
   3584 	if ( ! empty( $data['mime_type'] ) ) {
   3585 		$metadata['mime_type'] = $data['mime_type'];
   3586 	}
   3587 
   3588 	if ( ! empty( $data['playtime_seconds'] ) ) {
   3589 		$metadata['length'] = (int) round( $data['playtime_seconds'] );
   3590 	}
   3591 
   3592 	if ( ! empty( $data['playtime_string'] ) ) {
   3593 		$metadata['length_formatted'] = $data['playtime_string'];
   3594 	}
   3595 
   3596 	if ( ! empty( $data['video']['resolution_x'] ) ) {
   3597 		$metadata['width'] = (int) $data['video']['resolution_x'];
   3598 	}
   3599 
   3600 	if ( ! empty( $data['video']['resolution_y'] ) ) {
   3601 		$metadata['height'] = (int) $data['video']['resolution_y'];
   3602 	}
   3603 
   3604 	if ( ! empty( $data['fileformat'] ) ) {
   3605 		$metadata['fileformat'] = $data['fileformat'];
   3606 	}
   3607 
   3608 	if ( ! empty( $data['video']['dataformat'] ) ) {
   3609 		$metadata['dataformat'] = $data['video']['dataformat'];
   3610 	}
   3611 
   3612 	if ( ! empty( $data['video']['encoder'] ) ) {
   3613 		$metadata['encoder'] = $data['video']['encoder'];
   3614 	}
   3615 
   3616 	if ( ! empty( $data['video']['codec'] ) ) {
   3617 		$metadata['codec'] = $data['video']['codec'];
   3618 	}
   3619 
   3620 	if ( ! empty( $data['audio'] ) ) {
   3621 		unset( $data['audio']['streams'] );
   3622 		$metadata['audio'] = $data['audio'];
   3623 	}
   3624 
   3625 	if ( empty( $metadata['created_timestamp'] ) ) {
   3626 		$created_timestamp = wp_get_media_creation_timestamp( $data );
   3627 
   3628 		if ( false !== $created_timestamp ) {
   3629 			$metadata['created_timestamp'] = $created_timestamp;
   3630 		}
   3631 	}
   3632 
   3633 	wp_add_id3_tag_data( $metadata, $data );
   3634 
   3635 	$file_format = isset( $metadata['fileformat'] ) ? $metadata['fileformat'] : null;
   3636 
   3637 	/**
   3638 	 * Filters the array of metadata retrieved from a video.
   3639 	 *
   3640 	 * In core, usually this selection is what is stored.
   3641 	 * More complete data can be parsed from the `$data` parameter.
   3642 	 *
   3643 	 * @since 4.9.0
   3644 	 *
   3645 	 * @param array  $metadata       Filtered Video metadata.
   3646 	 * @param string $file           Path to video file.
   3647 	 * @param string $file_format    File format of video, as analyzed by getID3.
   3648 	 * @param string $data           Raw metadata from getID3.
   3649 	 */
   3650 	return apply_filters( 'wp_read_video_metadata', $metadata, $file, $file_format, $data );
   3651 }
   3652 
   3653 /**
   3654  * Retrieve metadata from an audio file's ID3 tags.
   3655  *
   3656  * @since 3.6.0
   3657  *
   3658  * @param string $file Path to file.
   3659  * @return array|false Returns array of metadata, if found.
   3660  */
   3661 function wp_read_audio_metadata( $file ) {
   3662 	if ( ! file_exists( $file ) ) {
   3663 		return false;
   3664 	}
   3665 
   3666 	$metadata = array();
   3667 
   3668 	if ( ! defined( 'GETID3_TEMP_DIR' ) ) {
   3669 		define( 'GETID3_TEMP_DIR', get_temp_dir() );
   3670 	}
   3671 
   3672 	if ( ! class_exists( 'getID3', false ) ) {
   3673 		require ABSPATH . WPINC . '/ID3/getid3.php';
   3674 	}
   3675 
   3676 	$id3  = new getID3();
   3677 	$data = $id3->analyze( $file );
   3678 
   3679 	if ( ! empty( $data['audio'] ) ) {
   3680 		unset( $data['audio']['streams'] );
   3681 		$metadata = $data['audio'];
   3682 	}
   3683 
   3684 	if ( ! empty( $data['fileformat'] ) ) {
   3685 		$metadata['fileformat'] = $data['fileformat'];
   3686 	}
   3687 
   3688 	if ( ! empty( $data['filesize'] ) ) {
   3689 		$metadata['filesize'] = (int) $data['filesize'];
   3690 	}
   3691 
   3692 	if ( ! empty( $data['mime_type'] ) ) {
   3693 		$metadata['mime_type'] = $data['mime_type'];
   3694 	}
   3695 
   3696 	if ( ! empty( $data['playtime_seconds'] ) ) {
   3697 		$metadata['length'] = (int) round( $data['playtime_seconds'] );
   3698 	}
   3699 
   3700 	if ( ! empty( $data['playtime_string'] ) ) {
   3701 		$metadata['length_formatted'] = $data['playtime_string'];
   3702 	}
   3703 
   3704 	if ( empty( $metadata['created_timestamp'] ) ) {
   3705 		$created_timestamp = wp_get_media_creation_timestamp( $data );
   3706 
   3707 		if ( false !== $created_timestamp ) {
   3708 			$metadata['created_timestamp'] = $created_timestamp;
   3709 		}
   3710 	}
   3711 
   3712 	wp_add_id3_tag_data( $metadata, $data );
   3713 
   3714 	return $metadata;
   3715 }
   3716 
   3717 /**
   3718  * Parse creation date from media metadata.
   3719  *
   3720  * The getID3 library doesn't have a standard method for getting creation dates,
   3721  * so the location of this data can vary based on the MIME type.
   3722  *
   3723  * @since 4.9.0
   3724  *
   3725  * @link https://github.com/JamesHeinrich/getID3/blob/master/structure.txt
   3726  *
   3727  * @param array $metadata The metadata returned by getID3::analyze().
   3728  * @return int|false A UNIX timestamp for the media's creation date if available
   3729  *                   or a boolean FALSE if a timestamp could not be determined.
   3730  */
   3731 function wp_get_media_creation_timestamp( $metadata ) {
   3732 	$creation_date = false;
   3733 
   3734 	if ( empty( $metadata['fileformat'] ) ) {
   3735 		return $creation_date;
   3736 	}
   3737 
   3738 	switch ( $metadata['fileformat'] ) {
   3739 		case 'asf':
   3740 			if ( isset( $metadata['asf']['file_properties_object']['creation_date_unix'] ) ) {
   3741 				$creation_date = (int) $metadata['asf']['file_properties_object']['creation_date_unix'];
   3742 			}
   3743 			break;
   3744 
   3745 		case 'matroska':
   3746 		case 'webm':
   3747 			if ( isset( $metadata['matroska']['comments']['creation_time']['0'] ) ) {
   3748 				$creation_date = strtotime( $metadata['matroska']['comments']['creation_time']['0'] );
   3749 			} elseif ( isset( $metadata['matroska']['info']['0']['DateUTC_unix'] ) ) {
   3750 				$creation_date = (int) $metadata['matroska']['info']['0']['DateUTC_unix'];
   3751 			}
   3752 			break;
   3753 
   3754 		case 'quicktime':
   3755 		case 'mp4':
   3756 			if ( isset( $metadata['quicktime']['moov']['subatoms']['0']['creation_time_unix'] ) ) {
   3757 				$creation_date = (int) $metadata['quicktime']['moov']['subatoms']['0']['creation_time_unix'];
   3758 			}
   3759 			break;
   3760 	}
   3761 
   3762 	return $creation_date;
   3763 }
   3764 
   3765 /**
   3766  * Encapsulates the logic for Attach/Detach actions.
   3767  *
   3768  * @since 4.2.0
   3769  *
   3770  * @global wpdb $wpdb WordPress database abstraction object.
   3771  *
   3772  * @param int    $parent_id Attachment parent ID.
   3773  * @param string $action    Optional. Attach/detach action. Accepts 'attach' or 'detach'.
   3774  *                          Default 'attach'.
   3775  */
   3776 function wp_media_attach_action( $parent_id, $action = 'attach' ) {
   3777 	global $wpdb;
   3778 
   3779 	if ( ! $parent_id ) {
   3780 		return;
   3781 	}
   3782 
   3783 	if ( ! current_user_can( 'edit_post', $parent_id ) ) {
   3784 		wp_die( __( 'Sorry, you are not allowed to edit this post.' ) );
   3785 	}
   3786 
   3787 	$ids = array();
   3788 
   3789 	foreach ( (array) $_REQUEST['media'] as $attachment_id ) {
   3790 		$attachment_id = (int) $attachment_id;
   3791 
   3792 		if ( ! current_user_can( 'edit_post', $attachment_id ) ) {
   3793 			continue;
   3794 		}
   3795 
   3796 		$ids[] = $attachment_id;
   3797 	}
   3798 
   3799 	if ( ! empty( $ids ) ) {
   3800 		$ids_string = implode( ',', $ids );
   3801 
   3802 		if ( 'attach' === $action ) {
   3803 			$result = $wpdb->query( $wpdb->prepare( "UPDATE $wpdb->posts SET post_parent = %d WHERE post_type = 'attachment' AND ID IN ( $ids_string )", $parent_id ) );
   3804 		} else {
   3805 			$result = $wpdb->query( "UPDATE $wpdb->posts SET post_parent = 0 WHERE post_type = 'attachment' AND ID IN ( $ids_string )" );
   3806 		}
   3807 	}
   3808 
   3809 	if ( isset( $result ) ) {
   3810 		foreach ( $ids as $attachment_id ) {
   3811 			/**
   3812 			 * Fires when media is attached or detached from a post.
   3813 			 *
   3814 			 * @since 5.5.0
   3815 			 *
   3816 			 * @param string $action        Attach/detach action. Accepts 'attach' or 'detach'.
   3817 			 * @param int    $attachment_id The attachment ID.
   3818 			 * @param int    $parent_id     Attachment parent ID.
   3819 			 */
   3820 			do_action( 'wp_media_attach_action', $action, $attachment_id, $parent_id );
   3821 
   3822 			clean_attachment_cache( $attachment_id );
   3823 		}
   3824 
   3825 		$location = 'upload.php';
   3826 		$referer  = wp_get_referer();
   3827 
   3828 		if ( $referer ) {
   3829 			if ( false !== strpos( $referer, 'upload.php' ) ) {
   3830 				$location = remove_query_arg( array( 'attached', 'detach' ), $referer );
   3831 			}
   3832 		}
   3833 
   3834 		$key      = 'attach' === $action ? 'attached' : 'detach';
   3835 		$location = add_query_arg( array( $key => $result ), $location );
   3836 
   3837 		wp_redirect( $location );
   3838 		exit;
   3839 	}
   3840 }