_menu_item_is_accessible

• Drupal 4.6
• Drupal 4.7
• Drupal 5

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Definition

_menu_item_is_accessible($mid)
includes/menu.inc, line 848

Description

Determine whether the given menu item is accessible to the current user.

Use this instead of just checking the "access" property of a menu item to properly handle items with fall-through semantics.

Code

<?php
function _menu_item_is_accessible($mid) {
  $menu = menu_get_menu();

  // Follow the path up to find the first "access" attribute.
  $path = $menu['items'][$mid]['path'];
  while ($path && (!array_key_exists($path, $menu['path index']) || !array_key_exists('access', $menu['items'][$menu['path index'][$path]]))) {
    $path = substr($path, 0, strrpos($path, '/'));
  }
  if (empty($path)) {
    // Items without any access attribute up the chain are denied, unless they
    // were created by the admin. They most likely point to non-Drupal directories
    // or to an external URL and should be allowed.
    return $menu['items'][$mid]['type'] & MENU_CREATED_BY_ADMIN;
  }
  return $menu['items'][$menu['path index'][$path]]['access'];
}
?>