modified file wp-piwik
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<?php
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/**
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* Replies collection file.
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*
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* @package Activitypub
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*/
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namespace Activitypub\Collection;
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use WP_Post;
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use WP_Comment;
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use WP_Error;
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use Activitypub\Comment;
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use Activitypub\Model\Blog;
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use Activitypub\Transformer\Post as PostTransformer;
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use Activitypub\Transformer\Comment as CommentTransformer;
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use function Activitypub\is_post_disabled;
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use function Activitypub\is_local_comment;
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use function Activitypub\get_rest_url_by_path;
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use function Activitypub\is_user_type_disabled;
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/**
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* Class containing code for getting replies Collections and CollectionPages of posts and comments.
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*/
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class Replies {
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/**
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* Build base arguments for fetching the comments of either a WordPress post or comment.
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*
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* @param WP_Post|WP_Comment|WP_Error $wp_object The post or comment to fetch replies for on success.
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*/
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private static function build_args( $wp_object ) {
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$args = array(
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'status' => 'approve',
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'orderby' => 'comment_date_gmt',
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'order' => 'ASC',
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'type' => 'comment',
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);
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if ( $wp_object instanceof WP_Post ) {
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$args['parent'] = 0; // TODO: maybe this is unnecessary.
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$args['post_id'] = $wp_object->ID;
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} elseif ( $wp_object instanceof WP_Comment ) {
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$args['parent'] = $wp_object->comment_ID;
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} else {
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return new WP_Error();
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}
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return $args;
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}
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/**
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* Get the replies collections ID.
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*
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* @param WP_Post|WP_Comment $wp_object The post or comment to fetch replies for.
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*
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* @return string|WP_Error The rest URL of the replies collection or WP_Error if the object is not a post or comment.
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*/
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private static function get_id( $wp_object ) {
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if ( $wp_object instanceof WP_Post ) {
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return get_rest_url_by_path( sprintf( 'posts/%d/replies', $wp_object->ID ) );
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} elseif ( $wp_object instanceof WP_Comment ) {
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return get_rest_url_by_path( sprintf( 'comments/%d/replies', $wp_object->comment_ID ) );
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} else {
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return new WP_Error( 'unsupported_object', 'The object is not a post or comment.' );
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}
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}
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/**
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* Get the Replies collection.
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*
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* @param WP_Post|WP_Comment $wp_object The post or comment to fetch replies for.
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*
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* @return array|\WP_Error|null An associative array containing the replies collection without JSON-LD context on success.
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*/
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public static function get_collection( $wp_object ) {
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$id = self::get_id( $wp_object );
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if ( is_wp_error( $id ) ) {
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return \wp_is_serving_rest_request() ? $id : null;
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}
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$replies = array(
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'id' => $id,
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'type' => 'Collection',
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);
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$replies['first'] = self::get_collection_page( $wp_object, 1, $replies['id'] );
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return $replies;
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}
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/**
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* Returns a replies collection page as an associative array.
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*
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* @link https://www.w3.org/TR/activitystreams-vocabulary/#dfn-collectionpage
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*
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* @param WP_Post|WP_Comment $wp_object The post of comment the replies are for.
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* @param int $page The current pagination page.
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* @param string $part_of Optional. The collection id/url the returned CollectionPage belongs to. Default null.
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*
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* @return array|WP_Error|null A CollectionPage as an associative array on success, WP_Error or null on failure.
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*/
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public static function get_collection_page( $wp_object, $page, $part_of = null ) {
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// Build initial arguments for fetching approved comments.
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$args = self::build_args( $wp_object );
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if ( is_wp_error( $args ) ) {
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return \wp_is_serving_rest_request() ? $args : null;
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}
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// Retrieve the partOf if not already given.
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$part_of = $part_of ?? self::get_id( $wp_object );
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// If the collection page does not exist.
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if ( is_wp_error( $part_of ) ) {
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return \wp_is_serving_rest_request() ? $part_of : null;
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}
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// Get to total replies count.
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$total_replies = \get_comments( array_merge( $args, array( 'count' => true ) ) );
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// If set to zero, we get errors below. You need at least one comment per page, here.
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$args['number'] = max( (int) \get_option( 'comments_per_page' ), 1 );
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$args['offset'] = intval( $page - 1 ) * $args['number'];
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// Get the ActivityPub ID's of the comments, without local-only comments.
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$comment_ids = self::get_reply_ids( \get_comments( $args ) );
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// Build the associative CollectionPage array.
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$collection_page = array(
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'id' => \add_query_arg( 'page', $page, $part_of ),
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'type' => 'CollectionPage',
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'partOf' => $part_of,
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'items' => $comment_ids,
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);
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if ( ( $total_replies / $args['number'] ) > $page ) {
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$collection_page['next'] = \add_query_arg( 'page', $page + 1, $part_of );
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}
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if ( $page > 1 ) {
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$collection_page['prev'] = \add_query_arg( 'page', $page - 1, $part_of );
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}
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return $collection_page;
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}
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/**
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* Get the context collection for a post.
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*
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* @param int $post_id The post ID.
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*
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* @return array|false The context for the post or false if the post is not found or disabled.
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*/
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public static function get_context_collection( $post_id ) {
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$post = \get_post( $post_id );
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if ( ! $post || is_post_disabled( $post_id ) ) {
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return false;
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}
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$comments = \get_comments(
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array(
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'post_id' => $post_id,
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'type' => 'comment',
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'status' => 'approve',
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'orderby' => 'comment_date_gmt',
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'order' => 'ASC',
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)
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);
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$ids = self::get_reply_ids( $comments, true );
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$post_uri = ( new PostTransformer( $post ) )->to_id();
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\array_unshift( $ids, $post_uri );
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$author = Actors::get_by_id( $post->post_author );
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if ( is_wp_error( $author ) ) {
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if ( is_user_type_disabled( 'blog' ) ) {
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return false;
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}
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$author = new Blog();
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}
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return array(
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'type' => 'OrderedCollection',
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'url' => \get_permalink( $post_id ),
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'attributedTo' => $author->get_id(),
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'totalItems' => count( $ids ),
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'items' => $ids,
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);
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}
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/**
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* Get the ActivityPub ID's from a list of comments.
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*
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* It takes only federated/non-local comments into account, others also do not have an
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* ActivityPub ID available.
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*
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* @param WP_Comment[] $comments The comments to retrieve the ActivityPub ids from.
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* @param boolean $include_blog_comments Optional. Include blog comments in the returned array. Default false.
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*
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* @return string[] A list of the ActivityPub ID's.
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*/
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private static function get_reply_ids( $comments, $include_blog_comments = false ) {
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$comment_ids = array();
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foreach ( $comments as $comment ) {
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if ( is_local_comment( $comment ) ) {
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continue;
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}
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$public_comment_id = Comment::get_source_id( $comment->comment_ID );
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if ( $public_comment_id ) {
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$comment_ids[] = $public_comment_id;
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continue;
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}
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if ( $include_blog_comments ) {
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$comment_ids[] = ( new CommentTransformer( $comment ) )->to_id();
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}
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}
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return \array_unique( $comment_ids );
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}
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}
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