/**
* Internal method to set an item only if token matches
*
* @param mixed $token
* @param string $normalizedKey
* @param mixed $value
* @return bool
* @see getItem()
* @see setItem()
*/
protected function internalCheckAndSetItem(&$token, &$normalizedKey, &$value)
{
if (is_int($token) && is_int($value)) {
return apcu_cas($normalizedKey, $token, $value);
}
return parent::internalCheckAndSetItem($token, $normalizedKey, $value);
}