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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 |
|---|---|
| 883 | /** |
| 884 | * Filter the arguments for the Recent Comments widget. |
| 885 | * |
| 886 | * @since 3.4.0 |
| 887 | * |
| 888 | * @see WP_Comment_Query::query() for information on accepted arguments. |
| 889 | * |
| 890 | * @param array $comment_args An array of arguments used to retrieve the recent comments. |
| 891 | */ |
| 892 | $comments = get_comments( apply_filters( 'widget_comments_args', array( |
| 893 | 'number' => $number, |
| 894 | 'status' => 'approve', |
| 895 | 'post_status' => 'publish' |
| 896 | ) ) ); |
| 897 | |
| 898 | $output .= $args['before_widget']; |
| 899 | if ( $title ) { |
| 900 | $output .= $args['before_title'] . $title . $args['after_title']; |
| 901 | } |