src/ResponseInfo.php
private function fetchInfo($key)
    {
        return array_key_exists($key, $this->info)
            ? $this->info[$key]
            : null;
    }
private function fetchInfo($key)
    {
        return array_key_exists($key, $this->info)
            ? $this->info[$key]
            : null;
    }
private function fetchInfo ( $ key ) { return array_key_exists ( $ key , $ this -> info ) ? $ this -> info [ $ key ] : null ; }
Search the information array for the specified key and return the value

@param string $key

@return mixed
Search the information array for the specified key and return the value