/lib/jquery-validate/demo/captcha/process.php

 1<?php
 2
 3// Begin the session
 4session_start();
 5
 6// To avoid case conflicts, make the input uppercase and check against the session value
 7// If it's correct, echo '1' as a string
 8if(strtoupper($_GET['captcha']) == $_SESSION['captcha_id'])
 9	echo 'true';
10// Else echo '0' as a string
11else
12	echo 'false';
13
14?>