/**
* Checks if a cache entry with the specified identifier exists.
*
* @param string $entryIdentifier An identifier specifying the cache entry
* @return bool TRUE if such an entry exists, FALSE if not
* @api
*/
public function has($entryIdentifier)
{
if ($this->usedPeclModule === 'memcache') {
return $this->memcache->get($this->identifierPrefix . $entryIdentifier) !== false;
}
// pecl-memcached supports storing literal FALSE
$this->memcache->get($this->identifierPrefix . $entryIdentifier);
return $this->memcache->getResultCode() !== \Memcached::RES_NOTFOUND;
}
