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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 |
|---|---|
| 454 | * echoing the returned value instead. |
| 455 | * |
| 456 | * @since 2.7.0 |
| 457 | * |
| 458 | * @see wp_comment_reply() |
| 459 | * |
| 460 | * @param string $content The reply-to form content. |
| 461 | * @param array $args An array of default args. |
| 462 | */ |
| 463 | $content = apply_filters( 'wp_comment_reply', '', array( 'position' => $position, 'checkbox' => $checkbox, 'mode' => $mode ) ); |
| 464 | |
| 465 | if ( ! empty($content) ) { |
| 466 | echo $content; |
| 467 | return; |
| 468 | } |
| 469 | |
| 470 | if ( ! $wp_list_table ) { |
| 471 | if ( $mode == 'single' ) { |
| 472 | $wp_list_table = _get_list_table('WP_Post_Comments_List_Table'); |