PHP captcha::get_code示例

示例#1

文件： index.php 项目： chaitanya11/PHP-Captcha

<?php

session_start();
require_once "captcha.php";
if (isset($_POST['rCaptcha'])) {
    echo captcha::image();
    exit;
} else {
    if (isset($_POST["code"])) {
        if ($_POST["code"] == captcha::get_code()) {
            echo "Good";
        } else {
            echo "Bad";
        }
        echo "<br/>";
    }
}
?>
<script>
function refreshCaptcha(target) {

    var req = new XMLHttpRequest();

    req.open("POST", window.location, true);
    req.setRequestHeader("Content-type", "application/x-www-form-urlencoded");

	
    req.onreadystatechange = function() {
	    if(req.readyState == 4 && req.status == 200) {
			target.src = req.responseText;
	    }