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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 |
|---|---|
| 847 | /** |
| 848 | * Filter the arguments for the Recent Comments widget. |
| 849 | * |
| 850 | * @since 3.4.0 |
| 851 | * |
| 852 | * @see get_comments() |
| 853 | * |
| 854 | * @param array $comment_args An array of arguments used to retrieve the recent comments. |
| 855 | */ |
| 856 | $comments = get_comments( apply_filters( 'widget_comments_args', array( |
| 857 | 'number' => $number, |
| 858 | 'status' => 'approve', |
| 859 | 'post_status' => 'publish' |
| 860 | ) ) ); |
| 861 | |
| 862 | $output .= $before_widget; |
| 863 | if ( $title ) |
| 864 | $output .= $before_title . $title . $after_title; |
| 865 | |