original_string: protected function validateRequest()
      {
          //Twilio requires that all POST data be sorted alpha to validate.
          $data = $_POST;
          ksort($data);
  
          // append the data array to the url string, with no delimiters
          $url = $this->url;
          foreach ($data as $key => $value) {
              $url = $url.$key.$value;
          }
  
          //Encode the request string
          $hmac = hash_hmac('sha1', $url, $this->authToken, true);
  
          //Verify it against the given Twilio key
          if (base64_encode($hmac) != $_SERVER['HTTP_X_TWILIO_SIGNATURE']) {
              throw new \InvalidArgumentException('This request was not able to verify it came from Twilio.');
          }
      }
code: protected function validateRequest()
      {
          //Twilio requires that all POST data be sorted alpha to validate.
          $data = $_POST;
          ksort($data);
  
          // append the data array to the url string, with no delimiters
          $url = $this->url;
          foreach ($data as $key => $value) {
              $url = $url.$key.$value;
          }
  
          //Encode the request string
          $hmac = hash_hmac('sha1', $url, $this->authToken, true);
  
          //Verify it against the given Twilio key
          if (base64_encode($hmac) != $_SERVER['HTTP_X_TWILIO_SIGNATURE']) {
              throw new \InvalidArgumentException('This request was not able to verify it came from Twilio.');
          }
      }
code_tokens: protected function validateRequest ( ) { //Twilio requires that all POST data be sorted alpha to validate. $ data = $ _POST ; ksort ( $ data ) ; // append the data array to the url string, with no delimiters $ url = $ this -> url ; foreach ( $ data as $ key => $ value ) { $ url = $ url . $ key . $ value ; } //Encode the request string $ hmac = hash_hmac ( 'sha1' , $ url , $ this -> authToken , true ) ; //Verify it against the given Twilio key if ( base64_encode ( $ hmac ) != $ _SERVER [ 'HTTP_X_TWILIO_SIGNATURE' ] ) { throw new \ InvalidArgumentException ( 'This request was not able to verify it came from Twilio.' ) ; } }
docstring: Checks if a message is authentic from Twilio.
  
  @throws \InvalidArgumentException
docstring_tokens: Checks if a message is authentic from Twilio .