Libraries tagged by form input validation

A PHP class which provides the ability to quickly validate user input, depending on a set of user-defined rules.

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FormValidate was made for easy and fast form inputs validation.

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A modern, extensible PHP library for validating primitive data types, files, nested objects, and arrays of objects with reusable and centralized validation rules.

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Simple and fluent input validation for PHP 8.2+.

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Advanced validation library with multiple API styles including JSON templates, inline rules, builder pattern, and functional composition. Features 50+ built-in validators, dot notation for nested objects, field reference resolution, and internationalization support. Zero dependencies, fully synchronous, and designed for maximum developer experience with extensible custom rule system.

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PHP validation & sanitizer library

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Form input assertion for Japanese

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Lightweight PHP library for validating form input with a fluent, Laravel-like rule syntax.

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A simple and flexible PHP input validation library

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High-performance data validation with Rust FFI acceleration, AMPHP parallel processing, and pure PHP fallback

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PHP input validation make obscenely easy

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Form input validator

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Properly handle user input by using your validation rules in form requests (validators) as source of truth.

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Robust request validation & authorization layer for HTTP inputs with type-safe handlers and modern PHP 8+ architecture

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PHP file upload library

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