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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 |
|---|---|
| 472 | |
| 473 | /** |
| 474 | * Filters the comment query results. |
| 475 | * |
| 476 | * @since 3.1.0 |
| 477 | * |
| 478 | * @param WP_Comment[] $_comments An array of comments. |
| 479 | * @param WP_Comment_Query $this Current instance of WP_Comment_Query (passed by reference). |
| 480 | */ |
| 481 | $_comments = apply_filters_ref_array( 'the_comments', array( $_comments, &$this ) ); |
| 482 | |
| 483 | // Convert to WP_Comment instances. |
| 484 | $comments = array_map( 'get_comment', $_comments ); |
| 485 | |
| 486 | if ( $this->query_vars['hierarchical'] ) { |
| 487 | $comments = $this->fill_descendants( $comments ); |
| 488 | } |
| 489 | |
| 490 | $this->comments = $comments; |