详细说明：
captcha 验证码 b2evo Captcha Class :: DEMO This is a demo of b2evo_captcha.class.php
validate_submit($_POST['image'],$_POST['attempt'])) { // form was submitted with incorrect key case 0: echo '
Sorry. Your code was incorrect.'; echo '
Try AGAIN
'; break; // form was submitted and has valid key case 1: echo '
Congratulations. You will get the resource now.'; echo '
New DEMO
'; break; } } else { $imgLoc = $captcha->get_b2evo_captcha(); echo '
'."\n"; echo '
'."\n"; } ?> ...展开收缩
