<?php
  /**
   * Copyright (c) 2012 Bart Visscher <bartv@thisnet.nl>
   * This file is licensed under the Affero General Public License version 3 or
   * later.
   * See the COPYING-README file.
   */
  
  namespace OC\Memcache;
  
  class APCu extends APC {
  	public function clear($prefix = '') {
  		$ns = $this->getNamespace() . $prefix;
  		$ns = preg_quote($ns, '/');

  		$iter = new \APCIterator('user', '/^'.$ns.'/');

  		return apc_delete($iter);
  	}
  
  	static public function isAvailable() {
  		if (!extension_loaded('apcu')) {
  			return false;
  		} elseif (!ini_get('apc.enable_cli') && \OC::$CLI) {
  			return false;
  		} else {
  			return true;
  		}
  	}
  }