Libraries tagged by math-captcha

A simple math captcha for Laravel form validation.

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mathСaptcha in yii2

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A simple math-based CAPTCHA package for Laravel with image generation to prevent AI/OCR bypass

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yii2 MathCaptchaAction

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A Simple PHP Math Captcha

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Simple Math Captcha

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Simple single-digit arithmetic captcha for Laravel.

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A simple class for generating and validating math captcha images

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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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Symfony bundle providing a self-hosted image-based math captcha for bot protection

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captcha verification with math quiz

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Single-use CAPTCHA for Laravel with anti-replay protection

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A captcha that uses multiple time in one website

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

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