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Source View: widget_pages_args

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Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

  • Action hooks look like this: do_action( "hook_name" )
  • Filter hooks look like this: 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.

Source View

Line Code
22           extract( $args );
23
24           $title = apply_filters('widget_title', empty( $instance['title'] ) ? __( 'Pages' ) : $instance['title'], $instance, $this->id_base);
25           $sortby = empty( $instance['sortby'] ) ? 'menu_order' : $instance['sortby'];
26           $exclude = empty( $instance['exclude'] ) ? '' : $instance['exclude'];
27
28           if ( $sortby == 'menu_order' )
29                $sortby = 'menu_order, post_title';
30
31           $out = wp_list_pages( apply_filters('widget_pages_args', array('title_li' => '', 'echo' => 0, 'sort_column' => $sortby, 'exclude' => $exclude) ) );
32
33           if ( !empty( $out ) ) {
34                echo $before_widget;
35                if ( $title)
36                     echo $before_title . $title . $after_title;
37           ?>
38           <ul>
39                <?php echo $out; ?>
40           </ul>