Kumi
d8fbff525d
Improves robustness by checking if the walker property exists in args before accessing it. This prevents potential undefined property errors when args is missing the walker attribute. Ensures better compatibility with different menu configurations and avoids runtime issues.
66 lines
2.7 KiB
PHP
66 lines
2.7 KiB
PHP
<?php
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/**
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* WP_Bootstrap_Navwalker class.
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*
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* @extends Walker_Nav_Menu
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*/
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class WP_Bootstrap_Navwalker extends Walker_Nav_Menu
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{
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// Add classes to ul sub-menus
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function start_lvl(&$output, $depth = 0, $args = array())
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{
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$indent = str_repeat("\t", $depth);
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$output .= "\n$indent<ul class=\"dropdown-menu\">\n";
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}
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// Add main/sub classes to li's and links
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function start_el(&$output, $item, $depth = 0, $args = array(), $id = 0)
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{
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$indent = ($depth) ? str_repeat("\t", $depth) : '';
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$li_attributes = '';
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$class_names = $value = '';
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$classes = empty($item->classes) ? array() : (array) $item->classes;
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$classes[] = (isset($args->walker) && $args->walker->has_children) ? 'dropdown' : '';
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$classes[] = 'nav-item';
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$classes[] = 'nav-item-' . $item->ID;
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if ($depth && isset($args->walker) && $args->walker->has_children) {
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$classes[] = 'dropdown-submenu';
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}
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$class_names = join(' ', apply_filters('nav_menu_css_class', array_filter($classes), $item, $args));
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$class_names = ' class="' . esc_attr($class_names) . '"';
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$id = apply_filters('nav_menu_item_id', 'nav-menu-item-' . $item->ID, $item, $args);
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$id = $id ? ' id="' . esc_attr($id) . '"' : '';
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$output .= $indent . '<li' . $id . $value . $class_names . $li_attributes . '>';
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$attributes = !empty($item->attr_title) ? ' title="' . esc_attr($item->attr_title) . '"' : '';
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$attributes .= !empty($item->target) ? ' target="' . esc_attr($item->target) . '"' : '';
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$attributes .= !empty($item->xfn) ? ' rel="' . esc_attr($item->xfn) . '"' : '';
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$attributes .= !empty($item->url) ? ' href="' . esc_attr($item->url) . '"' : '';
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$attributes .= (isset($args->walker) && $args->walker->has_children) ? ' class="nav-link dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false"' : ' class="nav-link"';
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$item_output = isset($args->before) ? $args->before : '';
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$item_output .= '<a' . $attributes . '>';
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$item_output .= (isset($args->link_before) ? $args->link_before : '') . apply_filters('the_title', $item->title, $item->ID) . (isset($args->link_after) ? $args->link_after : '');
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$item_output .= '</a>';
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$item_output .= isset($args->after) ? $args->after : '';
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$output .= apply_filters('walker_nav_menu_start_el', $item_output, $item, $depth, $args);
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}
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}
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/**
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* Register Custom Navigation Walker
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*/
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function register_navwalker()
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{
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require_once get_template_directory() . '/class-wp-bootstrap-navwalker.php';
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}
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add_action('after_setup_theme', 'register_navwalker');
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