Libraries tagged by form validation

Symfony bundle for Cloudflare Turnstile - a privacy-friendly, GDPR-compliant CAPTCHA alternative. Drop-in reCAPTCHA replacement with zero user friction.

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Email-Guard core library for PHP: local email checks (syntax, reserved TLDs, disposable domains) plus optional escalation to the EmailSherlock Verify API.

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Symfony integration for Email-Guard: a VerifiedEmail constraint and a verify_email form option that block disposable and undeliverable addresses at submit time.

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WordPress Validation and Sanitization Library

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A comprehensive collection of PHP utility functions for array manipulation, string operations, date handling, HTML generation, form building, validation, and more. Modern PHP 8.2+ library with full type safety.

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Javascript validation for Symfony forms.

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Simple but flexible multi language contact form builder with custom fields, validation and passive antispam

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Simple PHP Request Validator

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Simple and convenient file uploads — secure by default

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A simple math captcha for Laravel form validation.

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Easy custom Form Validation for SilverStripe

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Easily disable HTML5 validation errors.

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Jquery form validation bundle for symfony 2

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Make ajax validation with Laravel Requests for forms with bootstrap

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This library adds some custom form elements and validation for symfony.

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