private static function initPermissionsMap()
{
// init an empty map
self::$map = self::initEmptyMap();
if (!self::$roleIds) {
self::$map = self::getPermissions(null);
} else {
foreach (self::$roleIds as $roleId) {
// init actions and parameters arrays from cache
$roleMap = self::getPermissions($roleId);
// merge current role map to the global map
self::$map = array_merge_recursive(self::$map, $roleMap);
}
}
}
