예제 #1
0
 /**
  * Short description of method singleton
  *
  * @access public
  * @author Cédric Alfonsi, <*****@*****.**>
  * @return core_kernel_versioning_RepositoryProxy
  */
 public static function singleton()
 {
     $returnValue = null;
     if (is_null(self::$instance)) {
         self::$instance = new core_kernel_versioning_RepositoryProxy();
     }
     $returnValue = self::$instance;
     return $returnValue;
 }