function _menu_check_access

Checks access to a menu item using the access callback.

Parameters

$item: A menu router or menu link item

$map: An array of path arguments; for example, array('node', '5').

Return value

$item['access'] becomes TRUE if the item is accessible, FALSE otherwise.

Related topics

File

includes/menu.inc, line 631

Code

function _menu_check_access(&$item, $map) {
    $item['access'] = FALSE;
    // Determine access callback, which will decide whether or not the current
    // user has access to this path.
    $callback = empty($item['access_callback']) ? 0 : trim($item['access_callback']);
    // Check for a TRUE or FALSE value.
    if (is_numeric($callback)) {
        $item['access'] = (bool) $callback;
    }
    else {
        $arguments = menu_unserialize($item['access_arguments'], $map);
        // As call_user_func_array is quite slow and user_access is a very common
        // callback, it is worth making a special case for it.
        if ($callback == 'user_access') {
            $item['access'] = count($arguments) == 1 ? user_access($arguments[0]) : user_access($arguments[0], $arguments[1]);
        }
        elseif (function_exists($callback)) {
            $item['access'] = call_user_func_array($callback, $arguments);
        }
    }
}