コード例 #1
0
 /**
  * Remove instance or whole class from cache or wipe cache out
  * 
  * If $class and $id are given only instance is removed
  * If only $class is given all instances of the class are removed
  * If none of $class and $id are given all instances of all classes are removed
  * 
  * @param string $class class name
  * @param mixed $id unique identifier
  * 
  * @return bool tells if instance/class was registered
  */
 public static function purgeCache($class = null, $id = null)
 {
     if ($class) {
         if (!array_key_exists($class, self::$objectCache)) {
             return false;
         }
         if ($id) {
             if (!array_key_exists($id, self::$objectCache[$class])) {
                 return false;
             }
             unset(self::$objectCache[$class][$id]);
         } else {
             self::$objectCache[$class] = array();
         }
     } else {
         self::$objectCache = array();
     }
     return true;
 }