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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 |
|---|---|
| 453 | |
| 454 | /** |
| 455 | * Filters the comment query results. |
| 456 | * |
| 457 | * @since 3.1.0 |
| 458 | * |
| 459 | * @param array $results An array of comments. |
| 460 | * @param WP_Comment_Query &$this Current instance of WP_Comment_Query, passed by reference. |
| 461 | */ |
| 462 | $_comments = apply_filters_ref_array( 'the_comments', array( $_comments, &$this ) ); |
| 463 | |
| 464 | // Convert to WP_Comment instances |
| 465 | $comments = array_map( 'get_comment', $_comments ); |
| 466 | |
| 467 | if ( $this->query_vars['hierarchical'] ) { |
| 468 | $comments = $this->fill_descendants( $comments ); |
| 469 | } |
| 470 | |
| 471 | $this->comments = $comments; |