Libraries tagged by server-side validation

Live server-side password policy feedback (password meter) for TYPO3 backend password fields.

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PHP Form Generator with both Client-Side (jQuery Validation Plugin) and Server-Side Validation

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SpiderForm - Modern PHP Form Builder with Chain Pattern. Weaving perfect forms for Symfony & Laravel

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Modern PHP Form Generator with Chain Pattern - Supports Symfony, Laravel, Twig, and Smarty

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A PHP HTML forms library with server side validation.

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Using Server side validation based on https://github.com/sirprize/postal-code-validator

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Validator is a server side data validation library for PHP. We can validate html form-data, objects, arrays and json etc.

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Convert server-side to client-side validation

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A modern, zero-config Symfony bundle for hCaptcha: server-side verification, Twig widget, Form Type and Validation Constraint.

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Filecheck server SDK for PHP — jobs, uploads, webhooks, and server-side job verification

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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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Captchala Server SDK for PHP - Validate captcha tokens server-side

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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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