Install APC for PHP 5.5x in WampServer
Download APCu for PHP 5.5x http://pecl.php.net/package/APCu/4.0.6/windows Extract and copy php_apcu.dll to PHP extension directory C:\wamp\bin\php\php5.5.12\ext Enable APC extension in php.ini extension=php_apcu.dll Restart Wampserver