moved $perm_id after the if's conditions for more performance

application/libraries/Aauth.php

@@ -1463,8 +1463,6 @@ class Aauth {
 	 */
 	public function is_allowed($perm_par, $user_id=FALSE){
 
-		$perm_id = $this->get_perm_id($perm_par);
-
 		if( $user_id == FALSE){
 			$user_id = $this->CI->session->userdata('id');
 		}
@@ -1474,6 +1472,8 @@ class Aauth {
 			return true;
 		}
 
+		$perm_id = $this->get_perm_id($perm_par);
+		
 		$query = $this->aauth_db->where('perm_id', $perm_id);
 		$query = $this->aauth_db->where('user_id', $user_id);
 		$query = $this->aauth_db->get( $this->config_vars['perm_to_user'] );