如何在我的 PHP 表单中添加验证码？
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How do I add a CAPTCHA to my PHP form?
提问by php form
回答by meme
I really like Securimageis seems to work really well and does not require a third-party external service or javascript (unless you enable the new image feature). Also it can be configured to provide audio captcha for accessibility.
我真的很喜欢Securimage似乎工作得很好并且不需要第三方外部服务或 javascript（除非您启用新的图像功能）。它还可以配置为提供音频验证码以实现可访问性。
回答by John Mccandles
Check this detailed guide about captcha implementation in PHP: http://www.the-art-of-web.com/php/captcha/
查看有关 PHP 验证码实现的详细指南：http: //www.the-art-of-web.com/php/captcha/
