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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 |
|---|---|
| 889 | * |
| 890 | * @since 2.7.0 |
| 891 | * |
| 892 | * @param array|string $args |
| 893 | * @return string html menu |
| 894 | */ |
| 895 | function wp_page_menu( $args = array() ) { |
| 896 | $defaults = array('sort_column' => 'menu_order, post_title', 'menu_class' => 'menu', 'echo' => true, 'link_before' => '', 'link_after' => ''); |
| 897 | $args = wp_parse_args( $args, $defaults ); |
| 898 | $args = apply_filters( 'wp_page_menu_args', $args ); |
| 899 | |
| 900 | $menu = ''; |
| 901 | |
| 902 | $list_args = $args; |
| 903 | |
| 904 | // Show Home in the menu |
| 905 | if ( ! empty($args['show_home']) ) { |
| 906 | if ( true === $args['show_home'] || '1' === $args['show_home'] || 1 === $args['show_home'] ) |
| 907 | $text = __('Home'); |