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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.
This hook occurs 2 times in this file.
Line | Code |
---|---|
512 | $indent = str_repeat("\t", $depth); |
513 | extract($args, EXTR_SKIP); |
514 | $css_class = 'page_item page-item-'.$page->ID; |
515 | $_current_page = get_page( $current_page ); |
516 | if ( $page->ID == $current_page ) |
517 | $css_class .= ' current_page_item '; |
518 | elseif ( $_current_page && $page->ID == $_current_page->post_parent ) |
519 | $css_class .= ' current_page_parent'; |
520 |
|
521 | $output .= $indent . '<li class="' . $css_class . '"><a href="' . get_page_link($page->ID) . '" title="' . attribute_escape(apply_filters('the_title', $page->post_title)) . '">' . apply_filters('the_title', $page->post_title) . '</a>'; |
522 |
|
523 | if ( !empty($show_date) ) { |
524 | if ( 'modified' == $show_date ) |
525 | $time = $page->post_modified; |
526 | else |
527 | $time = $page->post_date; |
528 |
|
529 | $output .= " " . mysql2date($date_format, $time); |
530 | } |