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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 |
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884 | $results = $wpdb->get_results( $this->request ); |
885 | /** |
886 | * Filter the comment query results. |
887 | * |
888 | * @since 3.1.0 |
889 | * |
890 | * @param array $results An array of comments. |
891 | * @param WP_Comment_Query &$this Current instance of WP_Comment_Query, passed by reference. |
892 | */ |
893 | $comments = apply_filters_ref_array( 'the_comments', array( $results, &$this ) ); |
894 |
|
895 | wp_cache_add( $cache_key, $comments, 'comment' ); |
896 |
|
897 | $this->comments = $comments; |
898 | return $this->comments; |
899 | } |
900 |
|
901 | /** |
902 | * Used internally to generate an SQL string for searching across multiple columns |