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Add unique IDs to Drupal menu items

/ Published in: PHP
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Place the following function in your theme's template.php

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  1. /**
  2.  * Theme override for theme_menu_item()
  3.  */
  4. function phptemplate_menu_item($link, $has_children, $menu = '', $in_active_trail = FALSE, $extra_class = NULL) {
  5.   $class = ($menu ? 'expanded' : ($has_children ? 'collapsed' : 'leaf'));
  6.   if (!empty($extra_class)) {
  7.     $class .= ' '. $extra_class;
  8.   }
  9.   if ($in_active_trail) {
  10.     $class .= ' active-trail';
  11.   }
  12.  
  13.   // Add unique identifier
  14.   static $item_id = 0;
  15.   $item_id += 1;
  16.   $id .= ' ' . 'menu-item-custom-id-' . $item_id;
  17.   // Add semi-unique class
  18.   $class .= ' ' . preg_replace("/[^a-zA-Z0-9]/", "", strip_tags($link));
  19.  
  20.   return '<li class="'. $class .'" id="' . $id . '">'. $link . $menu ."</li>\n";
  21. }

URL: http://drupal.org/node/310356#comment-1210124

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