AdSense Wordpress Plugin

    //  Check email field
            $email = isset($_POST['aswp_register_email']) == TRUE ? trim($_POST['aswp_register_email']) : FALSE;
 
            if ($email == FALSE || preg_match('/^[-_a-z0-9\'+*$^&%=~!?{}]++(?:\.[-_a-z0-9\'+*$^&%=~!?{}]+)*+@(?:(?![-.])[-a-z0-9.]+(?<![-.])\.[a-z]{2,6}|\d{1,3}(?:\.\d{1,3}){3})(?::\d++)?$/iD', $email) == FALSE)
            {
                return array('status' => 'error', 'message' => __('Please enter valid email address.', ASWP_UNIQUE_NAME));
            }
 
            $submit_data = array('email' => $email, 'name' => $name);
        }
        else if (isset($options['registration']['status']) == TRUE && $options['registration']['status'] == 'confirm')
        {
            $submit_data = array('email' => $options['registration']['email'], 'name' => $options['registration']['name']);
        }
 
        //  If all good, send data to aweber
        $ch = curl_init();
 
        curl_setopt($ch, CURLOPT_URL, 'http://adsensewordpressplugin.com/aweber_api/check_aweber.php');
        curl_setopt($ch, CURLOPT_USERAGENT, "AdSense Wordpress Plugin");
        curl_setopt($ch, CURLOPT_HEADER, FALSE);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
        curl_setopt($ch, CURLOPT_TIMEOUT, 10);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $submit_data);
 
        $output = curl_exec($ch);
 
        curl_close($ch);
 
        $aweber_respond = json_decode($output, TRUE);
 
        //  Show the confirm page
        if (isset($aweber_respond['status']) == TRUE && $aweber_respond['status'] == 'confirm')
        {
            $options['registration']['email'] = $submit_data['email'];
            $options['registration']['name'] = $submit_data['name'];
            $options['registration']['status'] = 'confirm';
 
            update_option('aswp_options', $options);
 
            return array('status' => 'updated', 'message' => __('Please check your email and confirm the subscription.', ASWP_UNIQUE_NAME));
        }
 
        //  All is good! Registration completed!
        if (isset($aweber_respond['status']) == TRUE && $aweber_respond['status'] == 'success')
        {
            $options['registration']['email'] = $submit_data['email'];
            $options['registration']['name'] = $submit_data['name'];
            $options['registration']['status'] = 'success';
 
            update_option('aswp_options', $options);
 
            return TRUE;
        }
    }