Libraries tagged by Challenge

Sentinel for Polaris for PHP: a local risk engine on sign-up, sign-in, password reset and code sends (velocity, credential stuffing, bots, disposable domains, impossible travel, IP rules, devices, breached passwords) that observes, challenges or blocks

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WebAuthn and passkeys for the PHPdot ecosystem — a production wrap of web-auth/webauthn-lib: ceremony orchestration, single-use challenges, duplicate-credential refusal, counter discipline, and an exception fence, with host-owned storage.

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IconCaptcha is a lightweight and secure PHP library for generating image-based click CAPTCHA challenges using open-source icon fonts (e.g., Font Awesome).

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Captcha challenge

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Passkey (WebAuthn) login for PHP — a thin, safe wrapper around web-auth/webauthn-lib that owns the parts it deliberately leaves to you: challenge issuance, single-use expiry, credential persistence, counter replay detection. Framework-free core plus a Laravel bridge that augments Fortify.

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WebAuthn passkey step-up driver for Laravel Rebel: bridges spatie/laravel-passkeys into Rebel's step-up registry, issuing phishing-resistant AAL3 challenges.

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Official PHP SDK for the NSLSolver captcha solving API (Turnstile, Challenge, Kasada, Akamai, reCAPTCHA v3)

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Magento 2 Coding Evaluation/Challenge.

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Magento 2 Coding Evaluation/Challenge.

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Official PHP client for the Live Tennis API — real-time tennis scores, players, fixtures, head-to-heads, a 1968-onward results archive, point-by-point tapes, rally and charting data, rankings, match-winner market prices and model win-probability for ATP, WTA, Challenger, ITF and juniors.

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Provides a form field which allows form to validate for non-bot submissions by giving them a challenge to decrypt an image.

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Creates token and challenge by some attributes.

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The "HTTP Status Code Abstraction" project is a PHP 8-based initiative aimed at simplifying the management and usage of HTTP status codes by introducing ENUM support. HTTP status codes are integral to web development, providing vital information about the success or failure of HTTP requests and responses. However, managing and referencing these status codes in a clear and organized manner can often be challenging. This project seeks to address this challenge by leveraging PHP 8's ENUM feature.

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Server side of KnCaptcha for PHP 8.3+: privacy-friendly proof-of-work captcha, stateless challenges, memory-hard Equihash puzzles checked in microseconds

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Terminal companion for the Name 100 Men recall challenge — practice offline, play online.

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