php生产验证码,用什么图片类库比较好?
php生产验证码,用什么图片类库比较好。GD好像没什么人用了。大神推荐一下
回复内容:
php生产验证码,用什么图片类库比较好。GD好像没什么人用了。大神推荐一下
https://github.com/anhskohbo/no-captcha
https://github.com/claviska/simple-php-captcha
https://github.com/Gregwar/Captcha
ImageMagick
+
基于ImageMagick的PHP扩展: imagick
說實話,基於文字的圖片驗證碼已經過時了。
We report a 99.8% accuracy on the hardest category of reCAPTCHA.
人工虛擬神經網絡對 Google 的舊版 reCAPTCHA 的最複雜形態已經 99% 識別率了,比人類還高:
http://arxiv.org/abs/1312.6082
還有:http://www.solidot.org/story?sid=39040
之前一個 90% 的報道:http://www.newscientist.com/article/dn24476-software-beats-captcha-the-webs-are-you-human-test.html?cmpid=RSS
http://www.infoq.com/news/2014/12/recaptcha
所以,不要再使用基於文字識別的圖片驗證碼了。
投奔大公司提供的完整解決方案吧。比如「No CAPTCHA reCAPTCHA」。

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