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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 |
---|---|
1003 | /** |
1004 | * Filter the arguments for the Recent Comments widget. |
1005 | * |
1006 | * @since 3.4.0 |
1007 | * |
1008 | * @see WP_Comment_Query::query() for information on accepted arguments. |
1009 | * |
1010 | * @param array $comment_args An array of arguments used to retrieve the recent comments. |
1011 | */ |
1012 | $comments = get_comments( apply_filters( 'widget_comments_args', array( |
1013 | 'number' => $number, |
1014 | 'status' => 'approve', |
1015 | 'post_status' => 'publish' |
1016 | ) ) ); |
1017 |
|
1018 | $output .= $args['before_widget']; |
1019 | if ( $title ) { |
1020 | $output .= $args['before_title'] . $title . $args['after_title']; |
1021 | } |