Libraries tagged by image captcha

A simple class for generating and validating math captcha images

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Simple captcha that requires from user to only click a cut circle on image with several other circles. You can customize color of circles, background, width and height of image. Its very lightweight require no js just simple form in html and php gd extension.

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phimcap provides a captcha image you could use in your own html forms.

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image, captcha

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Rotate image captcha

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Multiple(7) types of CAPTCHA in one package. Supports Gif captcha( Animated Gif captcha), Image Captcha( User has to type SOME OR ALL part of code displayed in the image), HoneyPot captcha(It simply adds an empty field asking users to leave it blank. Bots fill it up.), ASCII captcha(It displays the CAPTCHA text as ASCII Art. User has to type SOME OR ALL part of the code.), Math captcha( It asks user to solve simple mathematical expressions.), Recaptcha(Google Recaptcha) and NoCaptcha(Google ReCaptcha v2.0). This package also has captcha refresh feature.

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Classes generating fancy image captchas using GD extension.

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base64 image verification captcha library

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Captcha Package for Laravel 5

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The captcha image generator for restful api

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一个PHP写的中文验证码图片生成工具，仅生成验证码图片不进行缓存，需封装使用。

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CakePHP Captcha Plugin, Image, Math and Google Recaptcha Support

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yii2-captcha for restful api by returning image's base64 extend yii/captcha/CaptchaAction

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Object-oriented image handling and manipulation library

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Library for solve captcha by services

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