web-site/Projects/Frontend/Controllers/Contact.php

<?php namespace Project\Controllers;
use Method,Captcha,Session,View;

class Contact extends Controller{

    function main(){
    }

    function send(){
        $name = Method::post('name');
        $email = Method::post('email');
        $message = Method::post('message');
        $token = Method::post('token');

        if ($token !== Captcha::getCode()) {
            echo '0&'.lang('contact','message4');
            return;
        }

        if (empty($name) || strlen($name) < 2) {
            echo '0&'.lang('contact','nameAlert');
            return;
        }

        if (empty($email) || !filter_var($email, FILTER_VALIDATE_EMAIL)) {
            echo '0&'.lang('contact','mailFaultAlert');
            return;
        }

        if (empty($message) || strlen($message) < 10) {
            echo '0&'.lang('contact','messageAlert');
            return;
        }

        $lastTime = Session::select('contact_last_time');

        if ($lastTime !== false && (time() - $lastTime) < 30) {
            echo '0&'.lang('contact','message1');
            return;
        }

        Session::insert('contact_last_time', time());

        $email = strtolower(trim($email));
        $message2 = '
Gönderildiği Yer: Pisilinux İletişim Formu
Mesajı Gönderen: '.$name.'
Mail Adresi: '.$email.'
Mesaj: '.$message;

        telegram($message2);

        echo '1&'.lang('contact','message1');
    }
}