public function __construct(array $settings = array())
{
$this->enableVariants(array('bcmath' => true, 'bz2' => true, 'calendar' => true, 'cli' => true, 'ctype' => true, 'dom' => true, 'fileinfo' => true, 'filter' => true, 'ipc' => true, 'json' => true, 'mbregex' => true, 'mbstring' => true, 'mhash' => true, 'pcntl' => true, 'pcre' => true, 'pdo' => true, 'phar' => true, 'posix' => true, 'readline' => true, 'sockets' => true, 'tokenizer' => true, 'xml' => true, 'curl' => true, 'zip' => true, 'openssl' => 'yes'));
parent::__construct($settings);
}