balmet.com

misc.php (44002B)

---

 <?php
 /**
  * Misc WordPress Administration API.
  *
  * @package WordPress
  * @subpackage Administration
  */
 
 /**
  * Returns whether the server is running Apache with the mod_rewrite module loaded.
  *
  * @since 2.0.0
  *
  * @return bool Whether the server is running Apache with the mod_rewrite module loaded.
  */
 function got_mod_rewrite() {
 	$got_rewrite = apache_mod_loaded( 'mod_rewrite', true );
 
 	/**
 	 * Filters whether Apache and mod_rewrite are present.
 	 *
 	 * This filter was previously used to force URL rewriting for other servers,
 	 * like nginx. Use the {@see 'got_url_rewrite'} filter in got_url_rewrite() instead.
 	 *
 	 * @since 2.5.0
 	 *
 	 * @see got_url_rewrite()
 	 *
 	 * @param bool $got_rewrite Whether Apache and mod_rewrite are present.
 	 */
 	return apply_filters( 'got_rewrite', $got_rewrite );
 }
 
 /**
  * Returns whether the server supports URL rewriting.
  *
  * Detects Apache's mod_rewrite, IIS 7.0+ permalink support, and nginx.
  *
  * @since 3.7.0
  *
  * @global bool $is_nginx
  *
  * @return bool Whether the server supports URL rewriting.
  */
 function got_url_rewrite() {
 	$got_url_rewrite = ( got_mod_rewrite() || $GLOBALS['is_nginx'] || iis7_supports_permalinks() );
 
 	/**
 	 * Filters whether URL rewriting is available.
 	 *
 	 * @since 3.7.0
 	 *
 	 * @param bool $got_url_rewrite Whether URL rewriting is available.
 	 */
 	return apply_filters( 'got_url_rewrite', $got_url_rewrite );
 }
 
 /**
  * Extracts strings from between the BEGIN and END markers in the .htaccess file.
  *
  * @since 1.5.0
  *
  * @param string $filename Filename to extract the strings from.
  * @param string $marker   The marker to extract the strings from.
  * @return string[] An array of strings from a file (.htaccess) from between BEGIN and END markers.
  */
 function extract_from_markers( $filename, $marker ) {
 	$result = array();
 
 	if ( ! file_exists( $filename ) ) {
 		return $result;
 	}
 
 	$markerdata = explode( "\n", implode( '', file( $filename ) ) );
 
 	$state = false;
 	foreach ( $markerdata as $markerline ) {
 		if ( false !== strpos( $markerline, '# END ' . $marker ) ) {
 			$state = false;
 		}
 		if ( $state ) {
 			if ( '#' === substr( $markerline, 0, 1 ) ) {
 				continue;
 			}
 			$result[] = $markerline;
 		}
 		if ( false !== strpos( $markerline, '# BEGIN ' . $marker ) ) {
 			$state = true;
 		}
 	}
 
 	return $result;
 }
 
 /**
  * Inserts an array of strings into a file (.htaccess), placing it between
  * BEGIN and END markers.
  *
  * Replaces existing marked info. Retains surrounding
  * data. Creates file if none exists.
  *
  * @since 1.5.0
  *
  * @param string       $filename  Filename to alter.
  * @param string       $marker    The marker to alter.
  * @param array|string $insertion The new content to insert.
  * @return bool True on write success, false on failure.
  */
 function insert_with_markers( $filename, $marker, $insertion ) {
 	if ( ! file_exists( $filename ) ) {
 		if ( ! is_writable( dirname( $filename ) ) ) {
 			return false;
 		}
 
 		if ( ! touch( $filename ) ) {
 			return false;
 		}
 
 		// Make sure the file is created with a minimum set of permissions.
 		$perms = fileperms( $filename );
 		if ( $perms ) {
 			chmod( $filename, $perms | 0644 );
 		}
 	} elseif ( ! is_writable( $filename ) ) {
 		return false;
 	}
 
 	if ( ! is_array( $insertion ) ) {
 		$insertion = explode( "\n", $insertion );
 	}
 
 	$switched_locale = switch_to_locale( get_locale() );
 
 	$instructions = sprintf(
 		/* translators: 1: Marker. */
 		__(
 			'The directives (lines) between "BEGIN %1$s" and "END %1$s" are
 dynamically generated, and should only be modified via WordPress filters.
 Any changes to the directives between these markers will be overwritten.'
 		),
 		$marker
 	);
 
 	$instructions = explode( "\n", $instructions );
 	foreach ( $instructions as $line => $text ) {
 		$instructions[ $line ] = '# ' . $text;
 	}
 
 	/**
 	 * Filters the inline instructions inserted before the dynamically generated content.
 	 *
 	 * @since 5.3.0
 	 *
 	 * @param string[] $instructions Array of lines with inline instructions.
 	 * @param string   $marker       The marker being inserted.
 	 */
 	$instructions = apply_filters( 'insert_with_markers_inline_instructions', $instructions, $marker );
 
 	if ( $switched_locale ) {
 		restore_previous_locale();
 	}
 
 	$insertion = array_merge( $instructions, $insertion );
 
 	$start_marker = "# BEGIN {$marker}";
 	$end_marker   = "# END {$marker}";
 
 	$fp = fopen( $filename, 'r+' );
 	if ( ! $fp ) {
 		return false;
 	}
 
 	// Attempt to get a lock. If the filesystem supports locking, this will block until the lock is acquired.
 	flock( $fp, LOCK_EX );
 
 	$lines = array();
 	while ( ! feof( $fp ) ) {
 		$lines[] = rtrim( fgets( $fp ), "\r\n" );
 	}
 
 	// Split out the existing file into the preceding lines, and those that appear after the marker.
 	$pre_lines        = array();
 	$post_lines       = array();
 	$existing_lines   = array();
 	$found_marker     = false;
 	$found_end_marker = false;
 	foreach ( $lines as $line ) {
 		if ( ! $found_marker && false !== strpos( $line, $start_marker ) ) {
 			$found_marker = true;
 			continue;
 		} elseif ( ! $found_end_marker && false !== strpos( $line, $end_marker ) ) {
 			$found_end_marker = true;
 			continue;
 		}
 		if ( ! $found_marker ) {
 			$pre_lines[] = $line;
 		} elseif ( $found_marker && $found_end_marker ) {
 			$post_lines[] = $line;
 		} else {
 			$existing_lines[] = $line;
 		}
 	}
 
 	// Check to see if there was a change.
 	if ( $existing_lines === $insertion ) {
 		flock( $fp, LOCK_UN );
 		fclose( $fp );
 
 		return true;
 	}
 
 	// Generate the new file data.
 	$new_file_data = implode(
 		"\n",
 		array_merge(
 			$pre_lines,
 			array( $start_marker ),
 			$insertion,
 			array( $end_marker ),
 			$post_lines
 		)
 	);
 
 	// Write to the start of the file, and truncate it to that length.
 	fseek( $fp, 0 );
 	$bytes = fwrite( $fp, $new_file_data );
 	if ( $bytes ) {
 		ftruncate( $fp, ftell( $fp ) );
 	}
 	fflush( $fp );
 	flock( $fp, LOCK_UN );
 	fclose( $fp );
 
 	return (bool) $bytes;
 }
 
 /**
  * Updates the htaccess file with the current rules if it is writable.
  *
  * Always writes to the file if it exists and is writable to ensure that we
  * blank out old rules.
  *
  * @since 1.5.0
  *
  * @global WP_Rewrite $wp_rewrite WordPress rewrite component.
  *
  * @return bool|null True on write success, false on failure. Null in multisite.
  */
 function save_mod_rewrite_rules() {
 	if ( is_multisite() ) {
 		return;
 	}
 
 	global $wp_rewrite;
 
 	// Ensure get_home_path() is declared.
 	require_once ABSPATH . 'wp-admin/includes/file.php';
 
 	$home_path     = get_home_path();
 	$htaccess_file = $home_path . '.htaccess';
 
 	/*
 	 * If the file doesn't already exist check for write access to the directory
 	 * and whether we have some rules. Else check for write access to the file.
 	 */
 	if ( ( ! file_exists( $htaccess_file ) && is_writable( $home_path ) && $wp_rewrite->using_mod_rewrite_permalinks() ) || is_writable( $htaccess_file ) ) {
 		if ( got_mod_rewrite() ) {
 			$rules = explode( "\n", $wp_rewrite->mod_rewrite_rules() );
 			return insert_with_markers( $htaccess_file, 'WordPress', $rules );
 		}
 	}
 
 	return false;
 }
 
 /**
  * Updates the IIS web.config file with the current rules if it is writable.
  * If the permalinks do not require rewrite rules then the rules are deleted from the web.config file.
  *
  * @since 2.8.0
  *
  * @global WP_Rewrite $wp_rewrite WordPress rewrite component.
  *
  * @return bool|null True on write success, false on failure. Null in multisite.
  */
 function iis7_save_url_rewrite_rules() {
 	if ( is_multisite() ) {
 		return;
 	}
 
 	global $wp_rewrite;
 
 	// Ensure get_home_path() is declared.
 	require_once ABSPATH . 'wp-admin/includes/file.php';
 
 	$home_path       = get_home_path();
 	$web_config_file = $home_path . 'web.config';
 
 	// Using win_is_writable() instead of is_writable() because of a bug in Windows PHP.
 	if ( iis7_supports_permalinks() && ( ( ! file_exists( $web_config_file ) && win_is_writable( $home_path ) && $wp_rewrite->using_mod_rewrite_permalinks() ) || win_is_writable( $web_config_file ) ) ) {
 		$rule = $wp_rewrite->iis7_url_rewrite_rules( false );
 		if ( ! empty( $rule ) ) {
 			return iis7_add_rewrite_rule( $web_config_file, $rule );
 		} else {
 			return iis7_delete_rewrite_rule( $web_config_file );
 		}
 	}
 	return false;
 }
 
 /**
  * Update the "recently-edited" file for the plugin or theme editor.
  *
  * @since 1.5.0
  *
  * @param string $file
  */
 function update_recently_edited( $file ) {
 	$oldfiles = (array) get_option( 'recently_edited' );
 	if ( $oldfiles ) {
 		$oldfiles   = array_reverse( $oldfiles );
 		$oldfiles[] = $file;
 		$oldfiles   = array_reverse( $oldfiles );
 		$oldfiles   = array_unique( $oldfiles );
 		if ( 5 < count( $oldfiles ) ) {
 			array_pop( $oldfiles );
 		}
 	} else {
 		$oldfiles[] = $file;
 	}
 	update_option( 'recently_edited', $oldfiles );
 }
 
 /**
  * Makes a tree structure for the theme editor's file list.
  *
  * @since 4.9.0
  * @access private
  *
  * @param array $allowed_files List of theme file paths.
  * @return array Tree structure for listing theme files.
  */
 function wp_make_theme_file_tree( $allowed_files ) {
 	$tree_list = array();
 	foreach ( $allowed_files as $file_name => $absolute_filename ) {
 		$list     = explode( '/', $file_name );
 		$last_dir = &$tree_list;
 		foreach ( $list as $dir ) {
 			$last_dir =& $last_dir[ $dir ];
 		}
 		$last_dir = $file_name;
 	}
 	return $tree_list;
 }
 
 /**
  * Outputs the formatted file list for the theme editor.
  *
  * @since 4.9.0
  * @access private
  *
  * @global string $relative_file Name of the file being edited relative to the
  *                               theme directory.
  * @global string $stylesheet    The stylesheet name of the theme being edited.
  *
  * @param array|string $tree  List of file/folder paths, or filename.
  * @param int          $level The aria-level for the current iteration.
  * @param int          $size  The aria-setsize for the current iteration.
  * @param int          $index The aria-posinset for the current iteration.
  */
 function wp_print_theme_file_tree( $tree, $level = 2, $size = 1, $index = 1 ) {
 	global $relative_file, $stylesheet;
 
 	if ( is_array( $tree ) ) {
 		$index = 0;
 		$size  = count( $tree );
 		foreach ( $tree as $label => $theme_file ) :
 			$index++;
 			if ( ! is_array( $theme_file ) ) {
 				wp_print_theme_file_tree( $theme_file, $level, $index, $size );
 				continue;
 			}
 			?>
 			<li role="treeitem" aria-expanded="true" tabindex="-1"
 				aria-level="<?php echo esc_attr( $level ); ?>"
 				aria-setsize="<?php echo esc_attr( $size ); ?>"
 				aria-posinset="<?php echo esc_attr( $index ); ?>">
 				<span class="folder-label"><?php echo esc_html( $label ); ?> <span class="screen-reader-text"><?php _e( 'folder' ); ?></span><span aria-hidden="true" class="icon"></span></span>
 				<ul role="group" class="tree-folder"><?php wp_print_theme_file_tree( $theme_file, $level + 1, $index, $size ); ?></ul>
 			</li>
 			<?php
 		endforeach;
 	} else {
 		$filename = $tree;
 		$url      = add_query_arg(
 			array(
 				'file'  => rawurlencode( $tree ),
 				'theme' => rawurlencode( $stylesheet ),
 			),
 			self_admin_url( 'theme-editor.php' )
 		);
 		?>
 		<li role="none" class="<?php echo esc_attr( $relative_file === $filename ? 'current-file' : '' ); ?>">
 			<a role="treeitem" tabindex="<?php echo esc_attr( $relative_file === $filename ? '0' : '-1' ); ?>"
 				href="<?php echo esc_url( $url ); ?>"
 				aria-level="<?php echo esc_attr( $level ); ?>"
 				aria-setsize="<?php echo esc_attr( $size ); ?>"
 				aria-posinset="<?php echo esc_attr( $index ); ?>">
 				<?php
 				$file_description = esc_html( get_file_description( $filename ) );
 				if ( $file_description !== $filename && wp_basename( $filename ) !== $file_description ) {
 					$file_description .= '<br /><span class="nonessential">(' . esc_html( $filename ) . ')</span>';
 				}
 
 				if ( $relative_file === $filename ) {
 					echo '<span class="notice notice-info">' . $file_description . '</span>';
 				} else {
 					echo $file_description;
 				}
 				?>
 			</a>
 		</li>
 		<?php
 	}
 }
 
 /**
  * Makes a tree structure for the plugin editor's file list.
  *
  * @since 4.9.0
  * @access private
  *
  * @param array $plugin_editable_files List of plugin file paths.
  * @return array Tree structure for listing plugin files.
  */
 function wp_make_plugin_file_tree( $plugin_editable_files ) {
 	$tree_list = array();
 	foreach ( $plugin_editable_files as $plugin_file ) {
 		$list     = explode( '/', preg_replace( '#^.+?/#', '', $plugin_file ) );
 		$last_dir = &$tree_list;
 		foreach ( $list as $dir ) {
 			$last_dir =& $last_dir[ $dir ];
 		}
 		$last_dir = $plugin_file;
 	}
 	return $tree_list;
 }
 
 /**
  * Outputs the formatted file list for the plugin editor.
  *
  * @since 4.9.0
  * @access private
  *
  * @param array|string $tree  List of file/folder paths, or filename.
  * @param string       $label Name of file or folder to print.
  * @param int          $level The aria-level for the current iteration.
  * @param int          $size  The aria-setsize for the current iteration.
  * @param int          $index The aria-posinset for the current iteration.
  */
 function wp_print_plugin_file_tree( $tree, $label = '', $level = 2, $size = 1, $index = 1 ) {
 	global $file, $plugin;
 	if ( is_array( $tree ) ) {
 		$index = 0;
 		$size  = count( $tree );
 		foreach ( $tree as $label => $plugin_file ) :
 			$index++;
 			if ( ! is_array( $plugin_file ) ) {
 				wp_print_plugin_file_tree( $plugin_file, $label, $level, $index, $size );
 				continue;
 			}
 			?>
 			<li role="treeitem" aria-expanded="true" tabindex="-1"
 				aria-level="<?php echo esc_attr( $level ); ?>"
 				aria-setsize="<?php echo esc_attr( $size ); ?>"
 				aria-posinset="<?php echo esc_attr( $index ); ?>">
 				<span class="folder-label"><?php echo esc_html( $label ); ?> <span class="screen-reader-text"><?php _e( 'folder' ); ?></span><span aria-hidden="true" class="icon"></span></span>
 				<ul role="group" class="tree-folder"><?php wp_print_plugin_file_tree( $plugin_file, '', $level + 1, $index, $size ); ?></ul>
 			</li>
 			<?php
 		endforeach;
 	} else {
 		$url = add_query_arg(
 			array(
 				'file'   => rawurlencode( $tree ),
 				'plugin' => rawurlencode( $plugin ),
 			),
 			self_admin_url( 'plugin-editor.php' )
 		);
 		?>
 		<li role="none" class="<?php echo esc_attr( $file === $tree ? 'current-file' : '' ); ?>">
 			<a role="treeitem" tabindex="<?php echo esc_attr( $file === $tree ? '0' : '-1' ); ?>"
 				href="<?php echo esc_url( $url ); ?>"
 				aria-level="<?php echo esc_attr( $level ); ?>"
 				aria-setsize="<?php echo esc_attr( $size ); ?>"
 				aria-posinset="<?php echo esc_attr( $index ); ?>">
 				<?php
 				if ( $file === $tree ) {
 					echo '<span class="notice notice-info">' . esc_html( $label ) . '</span>';
 				} else {
 					echo esc_html( $label );
 				}
 				?>
 			</a>
 		</li>
 		<?php
 	}
 }
 
 /**
  * Flushes rewrite rules if siteurl, home or page_on_front changed.
  *
  * @since 2.1.0
  *
  * @param string $old_value
  * @param string $value
  */
 function update_home_siteurl( $old_value, $value ) {
 	if ( wp_installing() ) {
 		return;
 	}
 
 	if ( is_multisite() && ms_is_switched() ) {
 		delete_option( 'rewrite_rules' );
 	} else {
 		flush_rewrite_rules();
 	}
 }
 
 
 /**
  * Resets global variables based on $_GET and $_POST
  *
  * This function resets global variables based on the names passed
  * in the $vars array to the value of $_POST[$var] or $_GET[$var] or ''
  * if neither is defined.
  *
  * @since 2.0.0
  *
  * @param array $vars An array of globals to reset.
  */
 function wp_reset_vars( $vars ) {
 	foreach ( $vars as $var ) {
 		if ( empty( $_POST[ $var ] ) ) {
 			if ( empty( $_GET[ $var ] ) ) {
 				$GLOBALS[ $var ] = '';
 			} else {
 				$GLOBALS[ $var ] = $_GET[ $var ];
 			}
 		} else {
 			$GLOBALS[ $var ] = $_POST[ $var ];
 		}
 	}
 }
 
 /**
  * Displays the given administration message.
  *
  * @since 2.1.0
  *
  * @param string|WP_Error $message
  */
 function show_message( $message ) {
 	if ( is_wp_error( $message ) ) {
 		if ( $message->get_error_data() && is_string( $message->get_error_data() ) ) {
 			$message = $message->get_error_message() . ': ' . $message->get_error_data();
 		} else {
 			$message = $message->get_error_message();
 		}
 	}
 	echo "<p>$message</p>\n";
 	wp_ob_end_flush_all();
 	flush();
 }
 
 /**
  * @since 2.8.0
  *
  * @param string $content
  * @return array
  */
 function wp_doc_link_parse( $content ) {
 	if ( ! is_string( $content ) || empty( $content ) ) {
 		return array();
 	}
 
 	if ( ! function_exists( 'token_get_all' ) ) {
 		return array();
 	}
 
 	$tokens           = token_get_all( $content );
 	$count            = count( $tokens );
 	$functions        = array();
 	$ignore_functions = array();
 	for ( $t = 0; $t < $count - 2; $t++ ) {
 		if ( ! is_array( $tokens[ $t ] ) ) {
 			continue;
 		}
 
 		if ( T_STRING == $tokens[ $t ][0] && ( '(' === $tokens[ $t + 1 ] || '(' === $tokens[ $t + 2 ] ) ) {
 			// If it's a function or class defined locally, there's not going to be any docs available.
 			if ( ( isset( $tokens[ $t - 2 ][1] ) && in_array( $tokens[ $t - 2 ][1], array( 'function', 'class' ), true ) )
 				|| ( isset( $tokens[ $t - 2 ][0] ) && T_OBJECT_OPERATOR == $tokens[ $t - 1 ][0] )
 			) {
 				$ignore_functions[] = $tokens[ $t ][1];
 			}
 			// Add this to our stack of unique references.
 			$functions[] = $tokens[ $t ][1];
 		}
 	}
 
 	$functions = array_unique( $functions );
 	sort( $functions );
 
 	/**
 	 * Filters the list of functions and classes to be ignored from the documentation lookup.
 	 *
 	 * @since 2.8.0
 	 *
 	 * @param string[] $ignore_functions Array of names of functions and classes to be ignored.
 	 */
 	$ignore_functions = apply_filters( 'documentation_ignore_functions', $ignore_functions );
 
 	$ignore_functions = array_unique( $ignore_functions );
 
 	$out = array();
 	foreach ( $functions as $function ) {
 		if ( in_array( $function, $ignore_functions, true ) ) {
 			continue;
 		}
 		$out[] = $function;
 	}
 
 	return $out;
 }
 
 /**
  * Saves option for number of rows when listing posts, pages, comments, etc.
  *
  * @since 2.8.0
  */
 function set_screen_options() {
 
 	if ( isset( $_POST['wp_screen_options'] ) && is_array( $_POST['wp_screen_options'] ) ) {
 		check_admin_referer( 'screen-options-nonce', 'screenoptionnonce' );
 
 		$user = wp_get_current_user();
 		if ( ! $user ) {
 			return;
 		}
 		$option = $_POST['wp_screen_options']['option'];
 		$value  = $_POST['wp_screen_options']['value'];
 
 		if ( sanitize_key( $option ) != $option ) {
 			return;
 		}
 
 		$map_option = $option;
 		$type       = str_replace( 'edit_', '', $map_option );
 		$type       = str_replace( '_per_page', '', $type );
 		if ( in_array( $type, get_taxonomies(), true ) ) {
 			$map_option = 'edit_tags_per_page';
 		} elseif ( in_array( $type, get_post_types(), true ) ) {
 			$map_option = 'edit_per_page';
 		} else {
 			$option = str_replace( '-', '_', $option );
 		}
 
 		switch ( $map_option ) {
 			case 'edit_per_page':
 			case 'users_per_page':
 			case 'edit_comments_per_page':
 			case 'upload_per_page':
 			case 'edit_tags_per_page':
 			case 'plugins_per_page':
 			case 'export_personal_data_requests_per_page':
 			case 'remove_personal_data_requests_per_page':
 				// Network admin.
 			case 'sites_network_per_page':
 			case 'users_network_per_page':
 			case 'site_users_network_per_page':
 			case 'plugins_network_per_page':
 			case 'themes_network_per_page':
 			case 'site_themes_network_per_page':
 				$value = (int) $value;
 				if ( $value < 1 || $value > 999 ) {
 					return;
 				}
 				break;
 			default:
 				$screen_option = false;
 
 				if ( '_page' === substr( $option, -5 ) || 'layout_columns' === $option ) {
 					/**
 					 * Filters a screen option value before it is set.
 					 *
 					 * The filter can also be used to modify non-standard [items]_per_page
 					 * settings. See the parent function for a full list of standard options.
 					 *
 					 * Returning false from the filter will skip saving the current option.
 					 *
 					 * @since 2.8.0
 					 * @since 5.4.2 Only applied to options ending with '_page',
 					 *              or the 'layout_columns' option.
 					 *
 					 * @see set_screen_options()
 					 *
 					 * @param mixed  $screen_option The value to save instead of the option value.
 					 *                              Default false (to skip saving the current option).
 					 * @param string $option        The option name.
 					 * @param int    $value         The option value.
 					 */
 					$screen_option = apply_filters( 'set-screen-option', $screen_option, $option, $value ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
 				}
 
 				/**
 				 * Filters a screen option value before it is set.
 				 *
 				 * The dynamic portion of the hook, `$option`, refers to the option name.
 				 *
 				 * Returning false from the filter will skip saving the current option.
 				 *
 				 * @since 5.4.2
 				 *
 				 * @see set_screen_options()
 				 *
 				 * @param mixed   $screen_option The value to save instead of the option value.
 				 *                               Default false (to skip saving the current option).
 				 * @param string  $option        The option name.
 				 * @param int     $value         The option value.
 				 */
 				$value = apply_filters( "set_screen_option_{$option}", $screen_option, $option, $value );
 
 				if ( false === $value ) {
 					return;
 				}
 				break;
 		}
 
 		update_user_meta( $user->ID, $option, $value );
 
 		$url = remove_query_arg( array( 'pagenum', 'apage', 'paged' ), wp_get_referer() );
 		if ( isset( $_POST['mode'] ) ) {
 			$url = add_query_arg( array( 'mode' => $_POST['mode'] ), $url );
 		}
 
 		wp_safe_redirect( $url );
 		exit;
 	}
 }
 
 /**
  * Check if rewrite rule for WordPress already exists in the IIS 7+ configuration file
  *
  * @since 2.8.0
  *
  * @return bool
  * @param string $filename The file path to the configuration file
  */
 function iis7_rewrite_rule_exists( $filename ) {
 	if ( ! file_exists( $filename ) ) {
 		return false;
 	}
 	if ( ! class_exists( 'DOMDocument', false ) ) {
 		return false;
 	}
 
 	$doc = new DOMDocument();
 	if ( $doc->load( $filename ) === false ) {
 		return false;
 	}
 	$xpath = new DOMXPath( $doc );
 	$rules = $xpath->query( '/configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'wordpress\')] | /configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'WordPress\')]' );
 	if ( 0 == $rules->length ) {
 		return false;
 	} else {
 		return true;
 	}
 }
 
 /**
  * Delete WordPress rewrite rule from web.config file if it exists there
  *
  * @since 2.8.0
  *
  * @param string $filename Name of the configuration file
  * @return bool
  */
 function iis7_delete_rewrite_rule( $filename ) {
 	// If configuration file does not exist then rules also do not exist, so there is nothing to delete.
 	if ( ! file_exists( $filename ) ) {
 		return true;
 	}
 
 	if ( ! class_exists( 'DOMDocument', false ) ) {
 		return false;
 	}
 
 	$doc                     = new DOMDocument();
 	$doc->preserveWhiteSpace = false;
 
 	if ( $doc->load( $filename ) === false ) {
 		return false;
 	}
 	$xpath = new DOMXPath( $doc );
 	$rules = $xpath->query( '/configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'wordpress\')] | /configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'WordPress\')]' );
 	if ( $rules->length > 0 ) {
 		$child  = $rules->item( 0 );
 		$parent = $child->parentNode;
 		$parent->removeChild( $child );
 		$doc->formatOutput = true;
 		saveDomDocument( $doc, $filename );
 	}
 	return true;
 }
 
 /**
  * Add WordPress rewrite rule to the IIS 7+ configuration file.
  *
  * @since 2.8.0
  *
  * @param string $filename The file path to the configuration file
  * @param string $rewrite_rule The XML fragment with URL Rewrite rule
  * @return bool
  */
 function iis7_add_rewrite_rule( $filename, $rewrite_rule ) {
 	if ( ! class_exists( 'DOMDocument', false ) ) {
 		return false;
 	}
 
 	// If configuration file does not exist then we create one.
 	if ( ! file_exists( $filename ) ) {
 		$fp = fopen( $filename, 'w' );
 		fwrite( $fp, '<configuration/>' );
 		fclose( $fp );
 	}
 
 	$doc                     = new DOMDocument();
 	$doc->preserveWhiteSpace = false;
 
 	if ( $doc->load( $filename ) === false ) {
 		return false;
 	}
 
 	$xpath = new DOMXPath( $doc );
 
 	// First check if the rule already exists as in that case there is no need to re-add it.
 	$wordpress_rules = $xpath->query( '/configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'wordpress\')] | /configuration/system.webServer/rewrite/rules/rule[starts-with(@name,\'WordPress\')]' );
 	if ( $wordpress_rules->length > 0 ) {
 		return true;
 	}
 
 	// Check the XPath to the rewrite rule and create XML nodes if they do not exist.
 	$xmlnodes = $xpath->query( '/configuration/system.webServer/rewrite/rules' );
 	if ( $xmlnodes->length > 0 ) {
 		$rules_node = $xmlnodes->item( 0 );
 	} else {
 		$rules_node = $doc->createElement( 'rules' );
 
 		$xmlnodes = $xpath->query( '/configuration/system.webServer/rewrite' );
 		if ( $xmlnodes->length > 0 ) {
 			$rewrite_node = $xmlnodes->item( 0 );
 			$rewrite_node->appendChild( $rules_node );
 		} else {
 			$rewrite_node = $doc->createElement( 'rewrite' );
 			$rewrite_node->appendChild( $rules_node );
 
 			$xmlnodes = $xpath->query( '/configuration/system.webServer' );
 			if ( $xmlnodes->length > 0 ) {
 				$system_webServer_node = $xmlnodes->item( 0 );
 				$system_webServer_node->appendChild( $rewrite_node );
 			} else {
 				$system_webServer_node = $doc->createElement( 'system.webServer' );
 				$system_webServer_node->appendChild( $rewrite_node );
 
 				$xmlnodes = $xpath->query( '/configuration' );
 				if ( $xmlnodes->length > 0 ) {
 					$config_node = $xmlnodes->item( 0 );
 					$config_node->appendChild( $system_webServer_node );
 				} else {
 					$config_node = $doc->createElement( 'configuration' );
 					$doc->appendChild( $config_node );
 					$config_node->appendChild( $system_webServer_node );
 				}
 			}
 		}
 	}
 
 	$rule_fragment = $doc->createDocumentFragment();
 	$rule_fragment->appendXML( $rewrite_rule );
 	$rules_node->appendChild( $rule_fragment );
 
 	$doc->encoding     = 'UTF-8';
 	$doc->formatOutput = true;
 	saveDomDocument( $doc, $filename );
 
 	return true;
 }
 
 /**
  * Saves the XML document into a file
  *
  * @since 2.8.0
  *
  * @param DOMDocument $doc
  * @param string      $filename
  */
 function saveDomDocument( $doc, $filename ) { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionNameInvalid
 	$config = $doc->saveXML();
 	$config = preg_replace( "/([^\r])\n/", "$1\r\n", $config );
 	$fp     = fopen( $filename, 'w' );
 	fwrite( $fp, $config );
 	fclose( $fp );
 }
 
 /**
  * Display the default admin color scheme picker (Used in user-edit.php)
  *
  * @since 3.0.0
  *
  * @global array $_wp_admin_css_colors
  *
  * @param int $user_id User ID.
  */
 function admin_color_scheme_picker( $user_id ) {
 	global $_wp_admin_css_colors;
 
 	ksort( $_wp_admin_css_colors );
 
 	if ( isset( $_wp_admin_css_colors['fresh'] ) ) {
 		// Set Default ('fresh') and Light should go first.
 		$_wp_admin_css_colors = array_filter(
 			array_merge(
 				array(
 					'fresh'  => '',
 					'light'  => '',
 					'modern' => '',
 				),
 				$_wp_admin_css_colors
 			)
 		);
 	}
 
 	$current_color = get_user_option( 'admin_color', $user_id );
 
 	if ( empty( $current_color ) || ! isset( $_wp_admin_css_colors[ $current_color ] ) ) {
 		$current_color = 'fresh';
 	}
 
 	?>
 	<fieldset id="color-picker" class="scheme-list">
 		<legend class="screen-reader-text"><span><?php _e( 'Admin Color Scheme' ); ?></span></legend>
 		<?php
 		wp_nonce_field( 'save-color-scheme', 'color-nonce', false );
 		foreach ( $_wp_admin_css_colors as $color => $color_info ) :
 
 			?>
 			<div class="color-option <?php echo ( $color == $current_color ) ? 'selected' : ''; ?>">
 				<input name="admin_color" id="admin_color_<?php echo esc_attr( $color ); ?>" type="radio" value="<?php echo esc_attr( $color ); ?>" class="tog" <?php checked( $color, $current_color ); ?> />
 				<input type="hidden" class="css_url" value="<?php echo esc_url( $color_info->url ); ?>" />
 				<input type="hidden" class="icon_colors" value="<?php echo esc_attr( wp_json_encode( array( 'icons' => $color_info->icon_colors ) ) ); ?>" />
 				<label for="admin_color_<?php echo esc_attr( $color ); ?>"><?php echo esc_html( $color_info->name ); ?></label>
 				<table class="color-palette">
 					<tr>
 					<?php
 
 					foreach ( $color_info->colors as $html_color ) {
 						?>
 						<td style="background-color: <?php echo esc_attr( $html_color ); ?>">&nbsp;</td>
 						<?php
 					}
 
 					?>
 					</tr>
 				</table>
 			</div>
 			<?php
 
 		endforeach;
 
 		?>
 	</fieldset>
 	<?php
 }
 
 /**
  *
  * @global array $_wp_admin_css_colors
  */
 function wp_color_scheme_settings() {
 	global $_wp_admin_css_colors;
 
 	$color_scheme = get_user_option( 'admin_color' );
 
 	// It's possible to have a color scheme set that is no longer registered.
 	if ( empty( $_wp_admin_css_colors[ $color_scheme ] ) ) {
 		$color_scheme = 'fresh';
 	}
 
 	if ( ! empty( $_wp_admin_css_colors[ $color_scheme ]->icon_colors ) ) {
 		$icon_colors = $_wp_admin_css_colors[ $color_scheme ]->icon_colors;
 	} elseif ( ! empty( $_wp_admin_css_colors['fresh']->icon_colors ) ) {
 		$icon_colors = $_wp_admin_css_colors['fresh']->icon_colors;
 	} else {
 		// Fall back to the default set of icon colors if the default scheme is missing.
 		$icon_colors = array(
 			'base'    => '#a7aaad',
 			'focus'   => '#72aee6',
 			'current' => '#fff',
 		);
 	}
 
 	echo '<script type="text/javascript">var _wpColorScheme = ' . wp_json_encode( array( 'icons' => $icon_colors ) ) . ";</script>\n";
 }
 
 /**
  * Displays the viewport meta in the admin.
  *
  * @since 5.5.0
  */
 function wp_admin_viewport_meta() {
 	/**
 	 * Filters the viewport meta in the admin.
 	 *
 	 * @since 5.5.0
 	 *
 	 * @param string $viewport_meta The viewport meta.
 	 */
 	$viewport_meta = apply_filters( 'admin_viewport_meta', 'width=device-width,initial-scale=1.0' );
 
 	if ( empty( $viewport_meta ) ) {
 		return;
 	}
 
 	echo '<meta name="viewport" content="' . esc_attr( $viewport_meta ) . '">';
 }
 
 /**
  * Adds viewport meta for mobile in Customizer.
  *
  * Hooked to the {@see 'admin_viewport_meta'} filter.
  *
  * @since 5.5.0
  *
  * @param string $viewport_meta The viewport meta.
  * @return string Filtered viewport meta.
  */
 function _customizer_mobile_viewport_meta( $viewport_meta ) {
 	return trim( $viewport_meta, ',' ) . ',minimum-scale=0.5,maximum-scale=1.2';
 }
 
 /**
  * Check lock status for posts displayed on the Posts screen
  *
  * @since 3.6.0
  *
  * @param array  $response  The Heartbeat response.
  * @param array  $data      The $_POST data sent.
  * @param string $screen_id The screen ID.
  * @return array The Heartbeat response.
  */
 function wp_check_locked_posts( $response, $data, $screen_id ) {
 	$checked = array();
 
 	if ( array_key_exists( 'wp-check-locked-posts', $data ) && is_array( $data['wp-check-locked-posts'] ) ) {
 		foreach ( $data['wp-check-locked-posts'] as $key ) {
 			$post_id = absint( substr( $key, 5 ) );
 			if ( ! $post_id ) {
 				continue;
 			}
 
 			$user_id = wp_check_post_lock( $post_id );
 			if ( $user_id ) {
 				$user = get_userdata( $user_id );
 				if ( $user && current_user_can( 'edit_post', $post_id ) ) {
 					$send = array(
 						/* translators: %s: User's display name. */
 						'text' => sprintf( __( '%s is currently editing' ), $user->display_name ),
 					);
 
 					if ( get_option( 'show_avatars' ) ) {
 						$send['avatar_src']    = get_avatar_url( $user->ID, array( 'size' => 18 ) );
 						$send['avatar_src_2x'] = get_avatar_url( $user->ID, array( 'size' => 36 ) );
 					}
 
 					$checked[ $key ] = $send;
 				}
 			}
 		}
 	}
 
 	if ( ! empty( $checked ) ) {
 		$response['wp-check-locked-posts'] = $checked;
 	}
 
 	return $response;
 }
 
 /**
  * Check lock status on the New/Edit Post screen and refresh the lock
  *
  * @since 3.6.0
  *
  * @param array  $response  The Heartbeat response.
  * @param array  $data      The $_POST data sent.
  * @param string $screen_id The screen ID.
  * @return array The Heartbeat response.
  */
 function wp_refresh_post_lock( $response, $data, $screen_id ) {
 	if ( array_key_exists( 'wp-refresh-post-lock', $data ) ) {
 		$received = $data['wp-refresh-post-lock'];
 		$send     = array();
 
 		$post_id = absint( $received['post_id'] );
 		if ( ! $post_id ) {
 			return $response;
 		}
 
 		if ( ! current_user_can( 'edit_post', $post_id ) ) {
 			return $response;
 		}
 
 		$user_id = wp_check_post_lock( $post_id );
 		$user    = get_userdata( $user_id );
 		if ( $user ) {
 			$error = array(
 				/* translators: %s: User's display name. */
 				'text' => sprintf( __( '%s has taken over and is currently editing.' ), $user->display_name ),
 			);
 
 			if ( get_option( 'show_avatars' ) ) {
 				$error['avatar_src']    = get_avatar_url( $user->ID, array( 'size' => 64 ) );
 				$error['avatar_src_2x'] = get_avatar_url( $user->ID, array( 'size' => 128 ) );
 			}
 
 			$send['lock_error'] = $error;
 		} else {
 			$new_lock = wp_set_post_lock( $post_id );
 			if ( $new_lock ) {
 				$send['new_lock'] = implode( ':', $new_lock );
 			}
 		}
 
 		$response['wp-refresh-post-lock'] = $send;
 	}
 
 	return $response;
 }
 
 /**
  * Check nonce expiration on the New/Edit Post screen and refresh if needed
  *
  * @since 3.6.0
  *
  * @param array  $response  The Heartbeat response.
  * @param array  $data      The $_POST data sent.
  * @param string $screen_id The screen ID.
  * @return array The Heartbeat response.
  */
 function wp_refresh_post_nonces( $response, $data, $screen_id ) {
 	if ( array_key_exists( 'wp-refresh-post-nonces', $data ) ) {
 		$received                           = $data['wp-refresh-post-nonces'];
 		$response['wp-refresh-post-nonces'] = array( 'check' => 1 );
 
 		$post_id = absint( $received['post_id'] );
 		if ( ! $post_id ) {
 			return $response;
 		}
 
 		if ( ! current_user_can( 'edit_post', $post_id ) ) {
 			return $response;
 		}
 
 		$response['wp-refresh-post-nonces'] = array(
 			'replace' => array(
 				'getpermalinknonce'    => wp_create_nonce( 'getpermalink' ),
 				'samplepermalinknonce' => wp_create_nonce( 'samplepermalink' ),
 				'closedpostboxesnonce' => wp_create_nonce( 'closedpostboxes' ),
 				'_ajax_linking_nonce'  => wp_create_nonce( 'internal-linking' ),
 				'_wpnonce'             => wp_create_nonce( 'update-post_' . $post_id ),
 			),
 		);
 	}
 
 	return $response;
 }
 
 /**
  * Add the latest Heartbeat and REST-API nonce to the Heartbeat response.
  *
  * @since 5.0.0
  *
  * @param array $response The Heartbeat response.
  * @return array The Heartbeat response.
  */
 function wp_refresh_heartbeat_nonces( $response ) {
 	// Refresh the Rest API nonce.
 	$response['rest_nonce'] = wp_create_nonce( 'wp_rest' );
 
 	// Refresh the Heartbeat nonce.
 	$response['heartbeat_nonce'] = wp_create_nonce( 'heartbeat-nonce' );
 	return $response;
 }
 
 /**
  * Disable suspension of Heartbeat on the Add/Edit Post screens.
  *
  * @since 3.8.0
  *
  * @global string $pagenow
  *
  * @param array $settings An array of Heartbeat settings.
  * @return array Filtered Heartbeat settings.
  */
 function wp_heartbeat_set_suspension( $settings ) {
 	global $pagenow;
 
 	if ( 'post.php' === $pagenow || 'post-new.php' === $pagenow ) {
 		$settings['suspension'] = 'disable';
 	}
 
 	return $settings;
 }
 
 /**
  * Autosave with heartbeat
  *
  * @since 3.9.0
  *
  * @param array $response The Heartbeat response.
  * @param array $data     The $_POST data sent.
  * @return array The Heartbeat response.
  */
 function heartbeat_autosave( $response, $data ) {
 	if ( ! empty( $data['wp_autosave'] ) ) {
 		$saved = wp_autosave( $data['wp_autosave'] );
 
 		if ( is_wp_error( $saved ) ) {
 			$response['wp_autosave'] = array(
 				'success' => false,
 				'message' => $saved->get_error_message(),
 			);
 		} elseif ( empty( $saved ) ) {
 			$response['wp_autosave'] = array(
 				'success' => false,
 				'message' => __( 'Error while saving.' ),
 			);
 		} else {
 			/* translators: Draft saved date format, see https://www.php.net/manual/datetime.format.php */
 			$draft_saved_date_format = __( 'g:i:s a' );
 			$response['wp_autosave'] = array(
 				'success' => true,
 				/* translators: %s: Date and time. */
 				'message' => sprintf( __( 'Draft saved at %s.' ), date_i18n( $draft_saved_date_format ) ),
 			);
 		}
 	}
 
 	return $response;
 }
 
 /**
  * Remove single-use URL parameters and create canonical link based on new URL.
  *
  * Remove specific query string parameters from a URL, create the canonical link,
  * put it in the admin header, and change the current URL to match.
  *
  * @since 4.2.0
  */
 function wp_admin_canonical_url() {
 	$removable_query_args = wp_removable_query_args();
 
 	if ( empty( $removable_query_args ) ) {
 		return;
 	}
 
 	// Ensure we're using an absolute URL.
 	$current_url  = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
 	$filtered_url = remove_query_arg( $removable_query_args, $current_url );
 	?>
 	<link id="wp-admin-canonical" rel="canonical" href="<?php echo esc_url( $filtered_url ); ?>" />
 	<script>
 		if ( window.history.replaceState ) {
 			window.history.replaceState( null, null, document.getElementById( 'wp-admin-canonical' ).href + window.location.hash );
 		}
 	</script>
 	<?php
 }
 
 /**
  * Send a referrer policy header so referrers are not sent externally from administration screens.
  *
  * @since 4.9.0
  */
 function wp_admin_headers() {
 	$policy = 'strict-origin-when-cross-origin';
 
 	/**
 	 * Filters the admin referrer policy header value.
 	 *
 	 * @since 4.9.0
 	 * @since 4.9.5 The default value was changed to 'strict-origin-when-cross-origin'.
 	 *
 	 * @link https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Referrer-Policy
 	 *
 	 * @param string $policy The admin referrer policy header value. Default 'strict-origin-when-cross-origin'.
 	 */
 	$policy = apply_filters( 'admin_referrer_policy', $policy );
 
 	header( sprintf( 'Referrer-Policy: %s', $policy ) );
 }
 
 /**
  * Outputs JS that reloads the page if the user navigated to it with the Back or Forward button.
  *
  * Used on the Edit Post and Add New Post screens. Needed to ensure the page is not loaded from browser cache,
  * so the post title and editor content are the last saved versions. Ideally this script should run first in the head.
  *
  * @since 4.6.0
  */
 function wp_page_reload_on_back_button_js() {
 	?>
 	<script>
 		if ( typeof performance !== 'undefined' && performance.navigation && performance.navigation.type === 2 ) {
 			document.location.reload( true );
 		}
 	</script>
 	<?php
 }
 
 /**
  * Send a confirmation request email when a change of site admin email address is attempted.
  *
  * The new site admin address will not become active until confirmed.
  *
  * @since 3.0.0
  * @since 4.9.0 This function was moved from wp-admin/includes/ms.php so it's no longer Multisite specific.
  *
  * @param string $old_value The old site admin email address.
  * @param string $value     The proposed new site admin email address.
  */
 function update_option_new_admin_email( $old_value, $value ) {
 	if ( get_option( 'admin_email' ) === $value || ! is_email( $value ) ) {
 		return;
 	}
 
 	$hash            = md5( $value . time() . wp_rand() );
 	$new_admin_email = array(
 		'hash'     => $hash,
 		'newemail' => $value,
 	);
 	update_option( 'adminhash', $new_admin_email );
 
 	$switched_locale = switch_to_locale( get_user_locale() );
 
 	/* translators: Do not translate USERNAME, ADMIN_URL, EMAIL, SITENAME, SITEURL: those are placeholders. */
 	$email_text = __(
 		'Howdy ###USERNAME###,
 
 You recently requested to have the administration email address on
 your site changed.
 
 If this is correct, please click on the following link to change it:
 ###ADMIN_URL###
 
 You can safely ignore and delete this email if you do not want to
 take this action.
 
 This email has been sent to ###EMAIL###
 
 Regards,
 All at ###SITENAME###
 ###SITEURL###'
 	);
 
 	/**
 	 * Filters the text of the email sent when a change of site admin email address is attempted.
 	 *
 	 * The following strings have a special meaning and will get replaced dynamically:
 	 * ###USERNAME###  The current user's username.
 	 * ###ADMIN_URL### The link to click on to confirm the email change.
 	 * ###EMAIL###     The proposed new site admin email address.
 	 * ###SITENAME###  The name of the site.
 	 * ###SITEURL###   The URL to the site.
 	 *
 	 * @since MU (3.0.0)
 	 * @since 4.9.0 This filter is no longer Multisite specific.
 	 *
 	 * @param string $email_text      Text in the email.
 	 * @param array  $new_admin_email {
 	 *     Data relating to the new site admin email address.
 	 *
 	 *     @type string $hash     The secure hash used in the confirmation link URL.
 	 *     @type string $newemail The proposed new site admin email address.
 	 * }
 	 */
 	$content = apply_filters( 'new_admin_email_content', $email_text, $new_admin_email );
 
 	$current_user = wp_get_current_user();
 	$content      = str_replace( '###USERNAME###', $current_user->user_login, $content );
 	$content      = str_replace( '###ADMIN_URL###', esc_url( self_admin_url( 'options.php?adminhash=' . $hash ) ), $content );
 	$content      = str_replace( '###EMAIL###', $value, $content );
 	$content      = str_replace( '###SITENAME###', wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ), $content );
 	$content      = str_replace( '###SITEURL###', home_url(), $content );
 
 	wp_mail(
 		$value,
 		sprintf(
 			/* translators: New admin email address notification email subject. %s: Site title. */
 			__( '[%s] New Admin Email Address' ),
 			wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES )
 		),
 		$content
 	);
 
 	if ( $switched_locale ) {
 		restore_previous_locale();
 	}
 }
 
 /**
  * Appends '(Draft)' to draft page titles in the privacy page dropdown
  * so that unpublished content is obvious.
  *
  * @since 4.9.8
  * @access private
  *
  * @param string  $title Page title.
  * @param WP_Post $page  Page data object.
  * @return string Page title.
  */
 function _wp_privacy_settings_filter_draft_page_titles( $title, $page ) {
 	if ( 'draft' === $page->post_status && 'privacy' === get_current_screen()->id ) {
 		/* translators: %s: Page title. */
 		$title = sprintf( __( '%s (Draft)' ), $title );
 	}
 
 	return $title;
 }
 
 /**
  * Checks if the user needs to update PHP.
  *
  * @since 5.1.0
  * @since 5.1.1 Added the {@see 'wp_is_php_version_acceptable'} filter.
  *
  * @return array|false Array of PHP version data. False on failure.
  */
 function wp_check_php_version() {
 	$version = phpversion();
 	$key     = md5( $version );
 
 	$response = get_site_transient( 'php_check_' . $key );
 	if ( false === $response ) {
 		$url = 'http://api.wordpress.org/core/serve-happy/1.0/';
 		if ( wp_http_supports( array( 'ssl' ) ) ) {
 			$url = set_url_scheme( $url, 'https' );
 		}
 
 		$url = add_query_arg( 'php_version', $version, $url );
 
 		$response = wp_remote_get( $url );
 
 		if ( is_wp_error( $response ) || 200 !== wp_remote_retrieve_response_code( $response ) ) {
 			return false;
 		}
 
 		/**
 		 * Response should be an array with:
 		 *  'recommended_version' - string - The PHP version recommended by WordPress.
 		 *  'is_supported' - boolean - Whether the PHP version is actively supported.
 		 *  'is_secure' - boolean - Whether the PHP version receives security updates.
 		 *  'is_acceptable' - boolean - Whether the PHP version is still acceptable for WordPress.
 		 */
 		$response = json_decode( wp_remote_retrieve_body( $response ), true );
 
 		if ( ! is_array( $response ) ) {
 			return false;
 		}
 
 		set_site_transient( 'php_check_' . $key, $response, WEEK_IN_SECONDS );
 	}
 
 	if ( isset( $response['is_acceptable'] ) && $response['is_acceptable'] ) {
 		/**
 		 * Filters whether the active PHP version is considered acceptable by WordPress.
 		 *
 		 * Returning false will trigger a PHP version warning to show up in the admin dashboard to administrators.
 		 *
 		 * This filter is only run if the wordpress.org Serve Happy API considers the PHP version acceptable, ensuring
 		 * that this filter can only make this check stricter, but not loosen it.
 		 *
 		 * @since 5.1.1
 		 *
 		 * @param bool   $is_acceptable Whether the PHP version is considered acceptable. Default true.
 		 * @param string $version       PHP version checked.
 		 */
 		$response['is_acceptable'] = (bool) apply_filters( 'wp_is_php_version_acceptable', true, $version );
 	}
 
 	return $response;
 }