18 lines
423 B
PHP
18 lines
423 B
PHP
<?php
|
|
include_once("./_common.php");
|
|
|
|
define('MAX_CAPTCHA_COUNT', 3);
|
|
$captcha_cnt = (int)$_SESSION['ss_captcha_cnt'];
|
|
|
|
if ($captcha_cnt >= MAX_CAPTCHA_COUNT) {
|
|
$_SESSION['ss_captcha_key'] = '';
|
|
echo false;
|
|
} else {
|
|
if ($_POST['captcha_key'] == $_SESSION['ss_captcha_key']) {
|
|
echo true;
|
|
} else {
|
|
$_SESSION['ss_captcha_cnt'] = $captcha_cnt + 1;
|
|
echo false;
|
|
}
|
|
}
|
|
?>
|