if(isset($http_post_vars[sub])):
if($http_post_vars[number] != $http_session_vars[login_check_number] || empty($http_post_vars[number])){
echo 校验码不正确! ;
}else{
echo验证码通过！;
}
endif;
show_source('test.php');
//以上本页的源码
//以下是生成验证码的源码
show_source('yanzhengma.php');
?>