Libraries tagged by math captcha

Simple Math 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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A simple mathematical operation verification code library, written based on GD library.

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A simple math captcha for Laravel form validation with different operations.

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Extension for standard magento 2 capctah that adds Math Captcha

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mathcaptcha package for thinkphp5

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CakePHP Captcha Plugin, Image, Math and Google Recaptcha Support

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PHP API for antispam service cleantalk.org. Invisible protection from spam, no captches, no puzzles, no animals and no math.

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Yii2 pattern captcha is nine dots based pattern Captcha to match with the numbers given in the box

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Bundle for form protection using captcha, includes reCaptcha and hCaptcha

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