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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 886 | $results = $wpdb->get_results( $this->request ); |
| 887 | /** |
| 888 | * Filter the comment query results. |
| 889 | * |
| 890 | * @since 3.1.0 |
| 891 | * |
| 892 | * @param array $results An array of comments. |
| 893 | * @param WP_Comment_Query &$this Current instance of WP_Comment_Query, passed by reference. |
| 894 | */ |
| 895 | $comments = apply_filters_ref_array( 'the_comments', array( $results, &$this ) ); |
| 896 | |
| 897 | wp_cache_add( $cache_key, $comments, 'comment' ); |
| 898 | if ( '*' === $fields ) { |
| 899 | update_comment_cache( $comments ); |
| 900 | } |
| 901 | |
| 902 | $this->comments = $comments; |
| 903 | return $this->comments; |
| 904 | } |