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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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 |
|---|---|
| 783 | $menu_item->target = ! isset( $menu_item->target ) ? get_post_meta( $menu_item->ID, '_menu_item_target', true ) : $menu_item->target; |
| 784 | |
| 785 | /** |
| 786 | * Filter a navigation menu item's title attribute. |
| 787 | * |
| 788 | * @since 3.0.0 |
| 789 | * |
| 790 | * @param string $item_title The menu item title attribute. |
| 791 | */ |
| 792 | $menu_item->attr_title = ! isset( $menu_item->attr_title ) ? apply_filters( 'nav_menu_attr_title', $menu_item->post_excerpt ) : $menu_item->attr_title; |
| 793 | |
| 794 | if ( ! isset( $menu_item->description ) ) { |
| 795 | /** |
| 796 | * Filter a navigation menu item's description. |
| 797 | * |
| 798 | * @since 3.0.0 |
| 799 | * |
| 800 | * @param string $description The menu item description. |
| 801 | */ |
| Line | Code |
| 818 | /* translators: %d: ID of a post */ |
| 819 | $menu_item->post_title = sprintf( __( '#%d (no title)' ), $menu_item->ID ); |
| 820 | } |
| 821 | |
| 822 | $menu_item->title = $menu_item->post_title; |
| 823 | $menu_item->url = get_permalink( $menu_item->ID ); |
| 824 | $menu_item->target = ''; |
| 825 | |
| 826 | /** This filter is documented in wp-includes/nav-menu.php */ |
| 827 | $menu_item->attr_title = apply_filters( 'nav_menu_attr_title', '' ); |
| 828 | |
| 829 | /** This filter is documented in wp-includes/nav-menu.php */ |
| 830 | $menu_item->description = apply_filters( 'nav_menu_description', '' ); |
| 831 | $menu_item->classes = array(); |
| 832 | $menu_item->xfn = ''; |
| 833 | } |
| 834 | } elseif ( isset( $menu_item->taxonomy ) ) { |
| 835 | $menu_item->ID = $menu_item->term_id; |
| 836 | $menu_item->db_id = 0; |