balmet.com

class-wp-comment.php (9321B)

---

 <?php
 /**
  * Comment API: WP_Comment class
  *
  * @package WordPress
  * @subpackage Comments
  * @since 4.4.0
  */
 
 /**
  * Core class used to organize comments as instantiated objects with defined members.
  *
  * @since 4.4.0
  */
 final class WP_Comment {
 
 	/**
 	 * Comment ID.
 	 *
 	 * A numeric string, for compatibility reasons.
 	 *
 	 * @since 4.4.0
 	 * @var string
 	 */
 	public $comment_ID;
 
 	/**
 	 * ID of the post the comment is associated with.
 	 *
 	 * A numeric string, for compatibility reasons.
 	 *
 	 * @since 4.4.0
 	 * @var string
 	 */
 	public $comment_post_ID = 0;
 
 	/**
 	 * Comment author name.
 	 *
 	 * @since 4.4.0
 	 * @var string
 	 */
 	public $comment_author = '';
 
 	/**
 	 * Comment author email address.
 	 *
 	 * @since 4.4.0
 	 * @var string
 	 */
 	public $comment_author_email = '';
 
 	/**
 	 * Comment author URL.
 	 *
 	 * @since 4.4.0
 	 * @var string
 	 */
 	public $comment_author_url = '';
 
 	/**
 	 * Comment author IP address (IPv4 format).
 	 *
 	 * @since 4.4.0
 	 * @var string
 	 */
 	public $comment_author_IP = '';
 
 	/**
 	 * Comment date in YYYY-MM-DD HH:MM:SS format.
 	 *
 	 * @since 4.4.0
 	 * @var string
 	 */
 	public $comment_date = '0000-00-00 00:00:00';
 
 	/**
 	 * Comment GMT date in YYYY-MM-DD HH::MM:SS format.
 	 *
 	 * @since 4.4.0
 	 * @var string
 	 */
 	public $comment_date_gmt = '0000-00-00 00:00:00';
 
 	/**
 	 * Comment content.
 	 *
 	 * @since 4.4.0
 	 * @var string
 	 */
 	public $comment_content;
 
 	/**
 	 * Comment karma count.
 	 *
 	 * A numeric string, for compatibility reasons.
 	 *
 	 * @since 4.4.0
 	 * @var string
 	 */
 	public $comment_karma = 0;
 
 	/**
 	 * Comment approval status.
 	 *
 	 * @since 4.4.0
 	 * @var string
 	 */
 	public $comment_approved = '1';
 
 	/**
 	 * Comment author HTTP user agent.
 	 *
 	 * @since 4.4.0
 	 * @var string
 	 */
 	public $comment_agent = '';
 
 	/**
 	 * Comment type.
 	 *
 	 * @since 4.4.0
 	 * @since 5.5.0 Default value changed to `comment`.
 	 * @var string
 	 */
 	public $comment_type = 'comment';
 
 	/**
 	 * Parent comment ID.
 	 *
 	 * A numeric string, for compatibility reasons.
 	 *
 	 * @since 4.4.0
 	 * @var string
 	 */
 	public $comment_parent = 0;
 
 	/**
 	 * Comment author ID.
 	 *
 	 * A numeric string, for compatibility reasons.
 	 *
 	 * @since 4.4.0
 	 * @var string
 	 */
 	public $user_id = 0;
 
 	/**
 	 * Comment children.
 	 *
 	 * @since 4.4.0
 	 * @var array
 	 */
 	protected $children;
 
 	/**
 	 * Whether children have been populated for this comment object.
 	 *
 	 * @since 4.4.0
 	 * @var bool
 	 */
 	protected $populated_children = false;
 
 	/**
 	 * Post fields.
 	 *
 	 * @since 4.4.0
 	 * @var array
 	 */
 	protected $post_fields = array( 'post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_title', 'post_excerpt', 'post_status', 'comment_status', 'ping_status', 'post_name', 'to_ping', 'pinged', 'post_modified', 'post_modified_gmt', 'post_content_filtered', 'post_parent', 'guid', 'menu_order', 'post_type', 'post_mime_type', 'comment_count' );
 
 	/**
 	 * Retrieves a WP_Comment instance.
 	 *
 	 * @since 4.4.0
 	 *
 	 * @global wpdb $wpdb WordPress database abstraction object.
 	 *
 	 * @param int $id Comment ID.
 	 * @return WP_Comment|false Comment object, otherwise false.
 	 */
 	public static function get_instance( $id ) {
 		global $wpdb;
 
 		$comment_id = (int) $id;
 		if ( ! $comment_id ) {
 			return false;
 		}
 
 		$_comment = wp_cache_get( $comment_id, 'comment' );
 
 		if ( ! $_comment ) {
 			$_comment = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->comments WHERE comment_ID = %d LIMIT 1", $comment_id ) );
 
 			if ( ! $_comment ) {
 				return false;
 			}
 
 			wp_cache_add( $_comment->comment_ID, $_comment, 'comment' );
 		}
 
 		return new WP_Comment( $_comment );
 	}
 
 	/**
 	 * Constructor.
 	 *
 	 * Populates properties with object vars.
 	 *
 	 * @since 4.4.0
 	 *
 	 * @param WP_Comment $comment Comment object.
 	 */
 	public function __construct( $comment ) {
 		foreach ( get_object_vars( $comment ) as $key => $value ) {
 			$this->$key = $value;
 		}
 	}
 
 	/**
 	 * Convert object to array.
 	 *
 	 * @since 4.4.0
 	 *
 	 * @return array Object as array.
 	 */
 	public function to_array() {
 		return get_object_vars( $this );
 	}
 
 	/**
 	 * Get the children of a comment.
 	 *
 	 * @since 4.4.0
 	 *
 	 * @param array $args {
 	 *     Array of arguments used to pass to get_comments() and determine format.
 	 *
 	 *     @type string $format        Return value format. 'tree' for a hierarchical tree, 'flat' for a flattened array.
 	 *                                 Default 'tree'.
 	 *     @type string $status        Comment status to limit results by. Accepts 'hold' (`comment_status=0`),
 	 *                                 'approve' (`comment_status=1`), 'all', or a custom comment status.
 	 *                                 Default 'all'.
 	 *     @type string $hierarchical  Whether to include comment descendants in the results.
 	 *                                 'threaded' returns a tree, with each comment's children
 	 *                                 stored in a `children` property on the `WP_Comment` object.
 	 *                                 'flat' returns a flat array of found comments plus their children.
 	 *                                 Pass `false` to leave out descendants.
 	 *                                 The parameter is ignored (forced to `false`) when `$fields` is 'ids' or 'counts'.
 	 *                                 Accepts 'threaded', 'flat', or false. Default: 'threaded'.
 	 *     @type string|array $orderby Comment status or array of statuses. To use 'meta_value'
 	 *                                 or 'meta_value_num', `$meta_key` must also be defined.
 	 *                                 To sort by a specific `$meta_query` clause, use that
 	 *                                 clause's array key. Accepts 'comment_agent',
 	 *                                 'comment_approved', 'comment_author',
 	 *                                 'comment_author_email', 'comment_author_IP',
 	 *                                 'comment_author_url', 'comment_content', 'comment_date',
 	 *                                 'comment_date_gmt', 'comment_ID', 'comment_karma',
 	 *                                 'comment_parent', 'comment_post_ID', 'comment_type',
 	 *                                 'user_id', 'comment__in', 'meta_value', 'meta_value_num',
 	 *                                 the value of $meta_key, and the array keys of
 	 *                                 `$meta_query`. Also accepts false, an empty array, or
 	 *                                 'none' to disable `ORDER BY` clause.
 	 * }
 	 * @return WP_Comment[] Array of `WP_Comment` objects.
 	 */
 	public function get_children( $args = array() ) {
 		$defaults = array(
 			'format'       => 'tree',
 			'status'       => 'all',
 			'hierarchical' => 'threaded',
 			'orderby'      => '',
 		);
 
 		$_args           = wp_parse_args( $args, $defaults );
 		$_args['parent'] = $this->comment_ID;
 
 		if ( is_null( $this->children ) ) {
 			if ( $this->populated_children ) {
 				$this->children = array();
 			} else {
 				$this->children = get_comments( $_args );
 			}
 		}
 
 		if ( 'flat' === $_args['format'] ) {
 			$children = array();
 			foreach ( $this->children as $child ) {
 				$child_args           = $_args;
 				$child_args['format'] = 'flat';
 				// get_children() resets this value automatically.
 				unset( $child_args['parent'] );
 
 				$children = array_merge( $children, array( $child ), $child->get_children( $child_args ) );
 			}
 		} else {
 			$children = $this->children;
 		}
 
 		return $children;
 	}
 
 	/**
 	 * Add a child to the comment.
 	 *
 	 * Used by `WP_Comment_Query` when bulk-filling descendants.
 	 *
 	 * @since 4.4.0
 	 *
 	 * @param WP_Comment $child Child comment.
 	 */
 	public function add_child( WP_Comment $child ) {
 		$this->children[ $child->comment_ID ] = $child;
 	}
 
 	/**
 	 * Get a child comment by ID.
 	 *
 	 * @since 4.4.0
 	 *
 	 * @param int $child_id ID of the child.
 	 * @return WP_Comment|false Returns the comment object if found, otherwise false.
 	 */
 	public function get_child( $child_id ) {
 		if ( isset( $this->children[ $child_id ] ) ) {
 			return $this->children[ $child_id ];
 		}
 
 		return false;
 	}
 
 	/**
 	 * Set the 'populated_children' flag.
 	 *
 	 * This flag is important for ensuring that calling `get_children()` on a childless comment will not trigger
 	 * unneeded database queries.
 	 *
 	 * @since 4.4.0
 	 *
 	 * @param bool $set Whether the comment's children have already been populated.
 	 */
 	public function populated_children( $set ) {
 		$this->populated_children = (bool) $set;
 	}
 
 	/**
 	 * Check whether a non-public property is set.
 	 *
 	 * If `$name` matches a post field, the comment post will be loaded and the post's value checked.
 	 *
 	 * @since 4.4.0
 	 *
 	 * @param string $name Property name.
 	 * @return bool
 	 */
 	public function __isset( $name ) {
 		if ( in_array( $name, $this->post_fields, true ) && 0 !== (int) $this->comment_post_ID ) {
 			$post = get_post( $this->comment_post_ID );
 			return property_exists( $post, $name );
 		}
 	}
 
 	/**
 	 * Magic getter.
 	 *
 	 * If `$name` matches a post field, the comment post will be loaded and the post's value returned.
 	 *
 	 * @since 4.4.0
 	 *
 	 * @param string $name
 	 * @return mixed
 	 */
 	public function __get( $name ) {
 		if ( in_array( $name, $this->post_fields, true ) ) {
 			$post = get_post( $this->comment_post_ID );
 			return $post->$name;
 		}
 	}
 }