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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 |
|---|---|
| 509 | |
| 510 | /** |
| 511 | * Filters the comment query results. |
| 512 | * |
| 513 | * @since 3.1.0 |
| 514 | * |
| 515 | * @param WP_Comment[] $_comments An array of comments. |
| 516 | * @param WP_Comment_Query $query Current instance of WP_Comment_Query (passed by reference). |
| 517 | */ |
| 518 | $_comments = apply_filters_ref_array( 'the_comments', array( $_comments, &$this ) ); |
| 519 | |
| 520 | // Convert to WP_Comment instances. |
| 521 | $comments = array_map( 'get_comment', $_comments ); |
| 522 | |
| 523 | if ( $this->query_vars['hierarchical'] ) { |
| 524 | $comments = $this->fill_descendants( $comments ); |
| 525 | } |
| 526 | |
| 527 | $this->comments = $comments; |