if (isset($this->config[$uid][$cat][$key])) {
$return = $this->config[$uid][$cat][$key];
- } elseif ($key == null && isset($this->config[$uid][$cat])) {
+ } elseif ($key === null && isset($this->config[$uid][$cat])) {
$return = $this->config[$uid][$cat];
}