Mark Smetanka

<?php

  ################
  /*
   * By Sat1een Team
   * @club123
  */
  ###############

  class VK
  {
      /*
       * @var string - $acccess_token
       * @var string - $version
      */
      private $access_token;
      private $version;

      /*
       * @var string|null - $last_error_msg
       * @var int|null - $last_error_code
      */
      private $last_error_msg = null;
      private $last_error_code = null;

      public function __construct(string $access_token, string $version = "5.80")
      {
          $this->access_token = $access_token;
          $this->version = $version;
      }

     /*
      * @return bool
     */
     public function isValidToken()
     {
       return !is_null($this->call("users.get"));
     }

      /*
       * @return array|null
      */
      public function call(string $method, array $params = [])
      {
          $params["access_token"] = $this->access_token;
          $params["v"] = $this->version;

          $url = "https://api.vk.com/method/";
          $url .= $method . "?";
          $url .= http_build_query($params);

          $ch = curl_init($url);

            curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);

          $response = curl_exec($ch);
          $response = json_decode($response, true);

          if(isset($response["response"]))
            return $response["response"];

          $error = $response["error"];

          $this->last_error_msg = $error["error_msg"];
          $this->last_error_code = $error["error_code"];

          return null;
      }


      public function getErrorMsg()
      {
          return $this->last_error_msg;
      }

      public function getErrorCode()
      {
          return $this->last_error_code;
      }
  }


?>