381 líneas
9,2 KiB
PHP
381 líneas
9,2 KiB
PHP
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<?php
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/**
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* Comment API: WP_Comment class
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*
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* @package WordPress
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* @subpackage Comments
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* @since 4.4.0
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*/
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/**
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* Core class used to organize comments as instantiated objects with defined members.
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*
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* @since 4.4.0
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*/
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#[AllowDynamicProperties]
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final class WP_Comment {
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/**
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* Comment ID.
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*
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* A numeric string, for compatibility reasons.
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*
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* @since 4.4.0
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* @var string
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*/
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public $comment_ID;
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/**
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* ID of the post the comment is associated with.
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*
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* A numeric string, for compatibility reasons.
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*
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* @since 4.4.0
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* @var string
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*/
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public $comment_post_ID = 0;
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/**
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* Comment author name.
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*
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* @since 4.4.0
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* @var string
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*/
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public $comment_author = '';
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/**
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* Comment author email address.
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*
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* @since 4.4.0
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* @var string
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*/
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public $comment_author_email = '';
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/**
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* Comment author URL.
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*
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* @since 4.4.0
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* @var string
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*/
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public $comment_author_url = '';
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/**
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* Comment author IP address (IPv4 format).
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*
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* @since 4.4.0
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* @var string
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*/
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public $comment_author_IP = '';
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/**
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* Comment date in YYYY-MM-DD HH:MM:SS format.
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*
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* @since 4.4.0
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* @var string
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*/
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public $comment_date = '0000-00-00 00:00:00';
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/**
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* Comment GMT date in YYYY-MM-DD HH::MM:SS format.
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*
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* @since 4.4.0
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* @var string
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*/
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public $comment_date_gmt = '0000-00-00 00:00:00';
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/**
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* Comment content.
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*
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* @since 4.4.0
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* @var string
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*/
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public $comment_content;
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/**
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* Comment karma count.
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*
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* A numeric string, for compatibility reasons.
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*
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* @since 4.4.0
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* @var string
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*/
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public $comment_karma = 0;
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/**
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* Comment approval status.
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*
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* @since 4.4.0
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* @var string
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*/
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public $comment_approved = '1';
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/**
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* Comment author HTTP user agent.
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*
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* @since 4.4.0
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* @var string
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*/
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public $comment_agent = '';
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/**
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* Comment type.
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*
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* @since 4.4.0
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* @since 5.5.0 Default value changed to `comment`.
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* @var string
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*/
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public $comment_type = 'comment';
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/**
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* Parent comment ID.
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*
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* A numeric string, for compatibility reasons.
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*
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* @since 4.4.0
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* @var string
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*/
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public $comment_parent = 0;
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/**
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* Comment author ID.
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*
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* A numeric string, for compatibility reasons.
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*
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* @since 4.4.0
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* @var string
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*/
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public $user_id = 0;
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/**
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* Comment children.
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*
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* @since 4.4.0
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* @var array
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*/
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protected $children;
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/**
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* Whether children have been populated for this comment object.
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*
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* @since 4.4.0
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* @var bool
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*/
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protected $populated_children = false;
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/**
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* Post fields.
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*
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* @since 4.4.0
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* @var array
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*/
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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' );
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/**
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* Retrieves a WP_Comment instance.
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*
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* @since 4.4.0
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*
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* @global wpdb $wpdb WordPress database abstraction object.
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*
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* @param int $id Comment ID.
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* @return WP_Comment|false Comment object, otherwise false.
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*/
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public static function get_instance( $id ) {
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global $wpdb;
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$comment_id = (int) $id;
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if ( ! $comment_id ) {
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return false;
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}
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$_comment = wp_cache_get( $comment_id, 'comment' );
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if ( ! $_comment ) {
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$_comment = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->comments WHERE comment_ID = %d LIMIT 1", $comment_id ) );
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if ( ! $_comment ) {
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return false;
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}
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wp_cache_add( $_comment->comment_ID, $_comment, 'comment' );
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}
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return new WP_Comment( $_comment );
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}
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/**
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* Constructor.
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*
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* Populates properties with object vars.
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*
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* @since 4.4.0
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*
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* @param WP_Comment $comment Comment object.
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*/
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public function __construct( $comment ) {
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foreach ( get_object_vars( $comment ) as $key => $value ) {
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$this->$key = $value;
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}
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}
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/**
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* Converts object to array.
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*
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* @since 4.4.0
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*
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* @return array Object as array.
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*/
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public function to_array() {
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return get_object_vars( $this );
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}
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/**
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* Gets the children of a comment.
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*
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* @since 4.4.0
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*
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* @param array $args {
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* Array of arguments used to pass to get_comments() and determine format.
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*
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* @type string $format Return value format. 'tree' for a hierarchical tree, 'flat' for a flattened array.
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* Default 'tree'.
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* @type string $status Comment status to limit results by. Accepts 'hold' (`comment_status=0`),
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* 'approve' (`comment_status=1`), 'all', or a custom comment status.
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* Default 'all'.
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* @type string $hierarchical Whether to include comment descendants in the results.
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* 'threaded' returns a tree, with each comment's children
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* stored in a `children` property on the `WP_Comment` object.
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* 'flat' returns a flat array of found comments plus their children.
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* Pass `false` to leave out descendants.
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* The parameter is ignored (forced to `false`) when `$fields` is 'ids' or 'counts'.
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* Accepts 'threaded', 'flat', or false. Default: 'threaded'.
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* @type string|array $orderby Comment status or array of statuses. To use 'meta_value'
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* or 'meta_value_num', `$meta_key` must also be defined.
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* To sort by a specific `$meta_query` clause, use that
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* clause's array key. Accepts 'comment_agent',
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* 'comment_approved', 'comment_author',
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* 'comment_author_email', 'comment_author_IP',
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* 'comment_author_url', 'comment_content', 'comment_date',
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* 'comment_date_gmt', 'comment_ID', 'comment_karma',
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* 'comment_parent', 'comment_post_ID', 'comment_type',
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* 'user_id', 'comment__in', 'meta_value', 'meta_value_num',
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* the value of $meta_key, and the array keys of
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* `$meta_query`. Also accepts false, an empty array, or
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* 'none' to disable `ORDER BY` clause.
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* }
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* @return WP_Comment[] Array of `WP_Comment` objects.
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*/
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public function get_children( $args = array() ) {
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$defaults = array(
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'format' => 'tree',
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'status' => 'all',
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'hierarchical' => 'threaded',
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'orderby' => '',
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);
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$_args = wp_parse_args( $args, $defaults );
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$_args['parent'] = $this->comment_ID;
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if ( is_null( $this->children ) ) {
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if ( $this->populated_children ) {
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$this->children = array();
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} else {
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$this->children = get_comments( $_args );
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}
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}
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if ( 'flat' === $_args['format'] ) {
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$children = array();
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foreach ( $this->children as $child ) {
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$child_args = $_args;
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$child_args['format'] = 'flat';
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// get_children() resets this value automatically.
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unset( $child_args['parent'] );
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$children = array_merge( $children, array( $child ), $child->get_children( $child_args ) );
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}
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} else {
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$children = $this->children;
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}
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return $children;
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}
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/**
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* Adds a child to the comment.
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*
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* Used by `WP_Comment_Query` when bulk-filling descendants.
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*
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* @since 4.4.0
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*
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* @param WP_Comment $child Child comment.
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*/
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public function add_child( WP_Comment $child ) {
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$this->children[ $child->comment_ID ] = $child;
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}
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/**
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* Gets a child comment by ID.
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*
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* @since 4.4.0
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*
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* @param int $child_id ID of the child.
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* @return WP_Comment|false Returns the comment object if found, otherwise false.
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*/
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public function get_child( $child_id ) {
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if ( isset( $this->children[ $child_id ] ) ) {
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return $this->children[ $child_id ];
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}
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return false;
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}
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/**
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* Sets the 'populated_children' flag.
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*
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* This flag is important for ensuring that calling `get_children()` on a childless comment will not trigger
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* unneeded database queries.
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*
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* @since 4.4.0
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*
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* @param bool $set Whether the comment's children have already been populated.
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*/
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public function populated_children( $set ) {
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$this->populated_children = (bool) $set;
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}
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/**
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* Determines whether a non-public property is set.
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*
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* If `$name` matches a post field, the comment post will be loaded and the post's value checked.
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*
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* @since 4.4.0
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*
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* @param string $name Property name.
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* @return bool
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*/
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public function __isset( $name ) {
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if ( in_array( $name, $this->post_fields, true ) && 0 !== (int) $this->comment_post_ID ) {
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$post = get_post( $this->comment_post_ID );
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return property_exists( $post, $name );
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}
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}
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/**
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* Magic getter.
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*
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* If `$name` matches a post field, the comment post will be loaded and the post's value returned.
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*
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* @since 4.4.0
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*
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* @param string $name Property name.
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* @return mixed
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*/
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public function __get( $name ) {
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if ( in_array( $name, $this->post_fields, true ) ) {
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$post = get_post( $this->comment_post_ID );
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return $post->$name;
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}
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}
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}
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