Замена стандартной капчи в InstantCMS на капчу с рекламой

 
<?php
 
class parrotify
{
 
    const validateURL = 'http://api.parrotify.com/validate';
 
    public static function validate($value)
    {
        $cookie = $_COOKIE["_cpathca"];
        $data = array(
            'captcha[value]' => $value,
            'captcha[key]'   => $cookie ? $cookie : null,
        );
 
        $data = http_build_query($data);
 
        $options = array(
            'http'=> array(
                'method'  => 'POST',
                'header'  => 'Content-type: application/x-www-form-urlencoded',
                'content' => $data,
            ),
        );
        $context = stream_context_create($options);
        $fp = fopen(self::validateURL, 'rb', false, $context);
        $result = stream_get_contents($fp);
        fclose($fp);
 
        return $result == 1;
    }
}

<div id="parrotify_captcha"></div>
<script>
    parrotifyCaptcha.create('parrotify_captcha', {name:'<?= $input_name ?>'});
</script>

 
    //подключаем parrotify captcha
    $this->addHead('<script src="http://api.parrotify.com/start_ajax.js"></script>');

 
    cmsCore::loadClass('parrotify');
    return parrotify::validate($code);

$_LANG['SECUR_SPAM_TEXT']          = '';

 
<?php
 
class parrotifyCaptcha extends cmsController
{
    const validateURL = 'http://api.parrotify.com/validate';
 
    public function onCaptchaHtml($params=array())
    {
        $html = '<div id="parrotify_captcha" style="padding-bottom:.5em"><script src="http://api.parrotify.com/start.js"></script></div>';
        return $html;
    }
 
    public function onCaptchaValidate($request)
    {
        $cookie = $_COOKIE["_cpathca"];
        $data = array(
            'captcha[value]' => $request->get('captcha_name'),
            'captcha[key]'   => $cookie ? $cookie : null,
        );
 
        $data = http_build_query($data);
 
        $options = array(
            'http'=> array(
                'method'  => 'POST',
                'header'  => 'Content-type: application/x-www-form-urlencoded',
                'content' => $data,
            ),
        );
        $context = stream_context_create($options);
        $fp = fopen(self::validateURL, 'rb', false, $context);
        $result = stream_get_contents($fp);
        fclose($fp);
 
        return $result == 1;
    }
 
}

 
<?php
 
return array(
    'hooks' => array(
        'captcha_html',
        'captcha_validate',
    ),
);