class.arCalledClassCache.php

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<?php

class arCalledClassCache {

        protected static $cache = array();


        public static function isCached($class_name) {
                return in_array($class_name, array_keys(self::$cache));
        }


        public static function store($class_name) {
                self::$cache[$class_name] = arFactory::getInstance($class_name, NULL);
        }


        public static function get($class_name) {
                if (!self::isCached($class_name)) {
                        self::store($class_name);
                }

                return self::$cache[$class_name];
        }


        public static function purge($class_name) {
                unset(self::$cache[$class_name]);
        }
}

?>