walker

How do I dynamically populate wp_nav_menu from a custom taxonomy?

I would go for custom nav menu walker… //define the custom post type and custom taxonomy define(“MENU_CPT”, “people”); define(“MENU_CT”, “club”); //custom function for selecting posts based on a term function get_posts_by_term($term_id, $post_type=MENU_CPT, $taxonomy=MENU_CT) { $args = array( ‘posts_per_page’ => -1, ‘post_type’ => $post_type, ‘tax_query’ => array( array( ‘taxonomy’ => $taxonomy, ‘field’ => ‘id’, ‘terms’ => … Read more

Display only page specific sub menu items using Custom Walker

Here is a much simpler implementation: class UL_Submenu_Walker extends Walker_Nav_Menu { private $hidden = false; function start_lvl(&$output, $depth) { if($depth == 0) { $style = $this->hidden ? “” : “display:none;”; } $output .= “<ul class=\”submenu-“.$depth.”\” style=””.$style.””>”; } function start_el(&$output, $item, $depth, $args) { $class_names = $value=””; $classes = empty( $item->classes ) ? array() : (array) … Read more

How does a minimal menu walker look like?

You could create a very simple walker, like this one. To detect the current item, inspect $item->current. It is TRUE for the current item only. I wouldn’t add a class, but deactivate the useless link completely, because it doesn’t have to be clickable anyway. Example: class One_Line_Walker extends Walker { public function walk( $elements, $max_depth … Read more

Custom menu walker: how can i check first item

Count the level 0 elements in a static variable in the method and add an extra class if you hit the third. Sample code: function start_lvl(&$output, $depth) { static $column = 1; $indent = str_repeat(“\t”, $depth); if ($depth > 0) { $output .= “\n$indent<ul class=”subsubmenu”>\n”; } else { $column += 1; $extra = 3 === … Read more

Comment Walker vs. Comment Callback

We could rewrite: wp_list_comments( array( ‘callback’ => ‘bootstrap_comment_callback’, )); with the null walker parameter: wp_list_comments( array( ‘walker’ => null, ‘callback’ => ‘bootstrap_comment_callback’, )); which means we are using the default Walker_Comment class: wp_list_comments( array( ‘walker’ => new Walker_Comment, ‘callback’ => ‘bootstrap_comment_callback’, )); The Walker_Comment::start_el() method is just a wrapper for one of these protected methods: … Read more

How Does The Walker Class Work?

I searched and read about the walker class. I ran tests, I played around with the code and I finally understood. I hope this can be helpful to others too. You’ll need to implement the walker class for this. Here is a simple example. $defaults = array( ‘theme_location’ => ‘primary’, ‘container’ => ‘ul’, ‘menu_class’ => … Read more

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