right

class CurlRequest
{
    public $api_url = "";
    public $key = "";

    function __construct($key, $api_url, $timeOut)
    {
        $this->key = $key;
        $this->api_url = $api_url;
        $this->timeOut = $timeOut;
    }
    
    public function getTocken($url, $rType) {
      return md5($this->key . $url . $rType);
    }

    public function get($path, $params=[]) {
        $query = '';
        
        foreach($params as $key => $val) {
          $query .= "$key=$val&";
        }
        
        $url = $this->api_url . $path . '?' . query;
        
        $curl = curl_init();
        curl_setopt($curl, CURLOPT_URL, $url);
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($curl, CURLOPT_HTTPHEADER, ['auth-token: ' . $this->getTocken($path, 'get') ]);
        curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, $this->timeOut);
        
        try { 
          $curlResponse = curl_exec($curl); 
        } catch(err) {
            return null;
        }
        
        if(curl_exec($curl) === false) {
          return null;
    	}
        
        curl_close($curl);
        return json_decode($curlResponse);		      
    }
}