* @param int $exptime
* @return bool
*/
- public function cas( $casToken, $key, $value, $exptime = 0 ) {
+ protected function cas( $casToken, $key, $value, $exptime = 0 ) {
$this->debugLog( "cas($key)" );
return $this->checkResult( $key, parent::cas( $casToken, $key, $value, $exptime ) );
}