PHP Core_Tools::JsonDecode示例

 /**
  * @param $captcha
  * @return mixed
  */
 public static function check($captcha)
 {
     $curl = curl_init();
     $fields = array('secret' => self::SECRET, 'response' => $captcha, 'remoteip' => $_SERVER['REMOTE_ADDR']);
     $fields_string = '';
     foreach ($fields as $key => $value) {
         $fields_string .= $key . '=' . $value . '&';
     }
     rtrim($fields_string, '&');
     curl_setopt_array($curl, array(CURLOPT_RETURNTRANSFER => 1, CURLOPT_TIMEOUT => 600, CURLOPT_URL => 'https://www.google.com/recaptcha/api/siteverify', CURLOPT_POST => 1, CURLOPT_POSTFIELDS => $fields_string));
     $resp = curl_exec($curl);
     curl_close($curl);
     $resp = Core_Tools::JsonDecode($resp);
     return $resp['success'];
 }