/**
* Flushes all data
*
* @param string $group Used to differentiate between groups of cache values
* @return boolean
*/
function flush($group = '')
{
$this->_get_key_version($group);
// initialize $this->_key_version
$this->_key_version[$group]++;
$this->_set_key_version($this->_key_version[$group], $group);
// for persistent connections - apply new config to the object
// otherwise it will keep old servers list
if (!is_null($this->_config)) {
if (method_exists($this->_memcache, 'resetServerList')) {
$this->_memcache->resetServerList();
}
$this->initialize($this->_config);
}
return true;
}
