/**
* Set value ( will call setter )
* @param string $key
* @param mixed $value
* @return boolean
* @throws \InvalidArgumentException
*/
public function set($key, $value)
{
$key = $this->_getKey($key);
if (!is_string($key)) {
throw new \InvalidArgumentException("key must be a string");
}
if (!$key) {
return false;
}
return parent::set($key, $value);
}
