Libraries tagged by server-side validation

PHP validation client for CountriesDB with Laravel validation rules and a standalone Http-based validator for country and subdivision code checks against the CountriesDB backend API.

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Laravel 12 + Livewire 3 wrapper for FilePond chunked uploads with instant finalize, server-side validation, and secure storage.

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A package to facilitate the server side validation of Cloudflare's Turnstile captcha service

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Laravel package to facilitate the server side validation of Cloudflare's Turnstile captcha service.

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Library to simplify the server-side validation of Google's 'No CAPTCHA reCAPTCHA'

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A lightweight and extensible validation engine for ImpulsePHP components. Provides form validation rules and unified syntax for server-side validation.

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Text field that checks uniqueness via AJAX and server-side validation for a DataObject field.

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Accept.js tokenization (PCI SAQ A-EP) with direct card fields (no iframe) Accept Hosted (PCI SAQ A) supported as an alternative hosted flow Apple Pay: server-side merchant validation, cert management via env.php, domain verification support Google Pay: native sheet UX + automatic gateway ID detection PayPal: processed through Authorize.Net’s wallet integration Saved Cards: Authorize.Net Customer Profiles + opt-in save checkbox + saved card dropdown Webhooks: signed (HMAC-SHA512) endpoint + order history updates + event mapping for refunds/voids/chargebacks Security: encrypted API keys at rest, certs stored outside webroot, SSRF hardening, session transaction validation Modern stack: no Knockout dependencies, REST compatible, modular architecture

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Server side form validation using JSON Schema

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Server side form validation FTW

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Laravel Server side form validation using JSON Schema

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PHP Form Validation Server Side

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Server side user input validation library

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A DOMDocument based form library, useful for quickly populating HTML forms, server side user input validation using HTML5's form validation elements, serialization, and error handling.

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FilePond file upload widget for Yii2 with Cropper.js image editing, previews, validation plugins, and server-side helpers for encoded uploads.

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