/**
* @ param string $server
* @ param int $port
* @ param int $limit
* @ return array
*/
public function getMemcacheKeys ($server, $port, $limit = 10000)
{
$keysFound = array();
$options = $this->_options;
$server = $options['servers'][0];
$memcache = new Memcache;
$memcache->connect($server, $port = 11211, 5);
$slabs = $memcache->getExtendedStats('slabs');
foreach ($slabs as $serverSlabs) {
foreach ($serverSlabs as $slabId => $slabMeta) {
try {
$cacheDump = $memcache->getExtendedStats('cachedump', (int) $slabId, 1000);
} catch (Exception $e) {
continue;
}
if (!is_array($cacheDump)) {
continue;
}
foreach ($cacheDump as $dump) {
if (!is_array($dump)) {
continue;
}
foreach ($dump as $key => $value) {
$keysFound[] = $key;
if (count($keysFound) == $limit) {
return $keysFound;
}
}
}
}
}
return $keysFound;
}