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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 |
|---|---|
| 411 | * echoing the returned value instead. |
| 412 | * |
| 413 | * @since 2.7.0 |
| 414 | * |
| 415 | * @see wp_comment_reply() |
| 416 | * |
| 417 | * @param string $content The reply-to form content. |
| 418 | * @param array $args An array of default args. |
| 419 | */ |
| 420 | $content = apply_filters( 'wp_comment_reply', '', array( 'position' => $position, 'checkbox' => $checkbox, 'mode' => $mode ) ); |
| 421 | |
| 422 | if ( ! empty($content) ) { |
| 423 | echo $content; |
| 424 | return; |
| 425 | } |
| 426 | |
| 427 | if ( $mode == 'single' ) { |
| 428 | $wp_list_table = _get_list_table('WP_Post_Comments_List_Table'); |
| 429 | } else { |