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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 |
|---|---|
| 87 | /** |
| 88 | * Filters the arguments for the Recent Comments widget. |
| 89 | * |
| 90 | * @since 3.4.0 |
| 91 | * |
| 92 | * @see WP_Comment_Query::query() for information on accepted arguments. |
| 93 | * |
| 94 | * @param array $comment_args An array of arguments used to retrieve the recent comments. |
| 95 | */ |
| 96 | $comments = get_comments( apply_filters( 'widget_comments_args', array( |
| 97 | 'number' => $number, |
| 98 | 'status' => 'approve', |
| 99 | 'post_status' => 'publish' |
| 100 | ) ) ); |
| 101 | |
| 102 | $output .= $args['before_widget']; |
| 103 | if ( $title ) { |
| 104 | $output .= $args['before_title'] . $title . $args['after_title']; |
| 105 | } |