Libraries tagged by input validation

PHP Library for Effortless Input 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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A little framework for user input validation

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User input validation

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Simple input validation

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Simple general purpose input data validation framework. Script version.

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Handle form model binding, old input binding and validation error messages in a clean easy way.

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Modern PHP validation library with fluent API and bulk validation support

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An efficient data validator for PHP

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MvcCore - Extension - Form - form extension with base classes to create and render web forms with HTML5 controls, to handle and validate submited user data, to manage forms sessions for default values, to manage user input errors and to extend and develop custom fields and field groups.

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The lightest way to validate your inputs.

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Automatically generate and handle input forms in PHP.

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Seamlessly integrate attribute-based case mapping into Laravel FormRequests — transform keys and remap validation errors effortlessly.

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Generate Zod v4 TypeScript schemas from Spatie Laravel Data classes (output) and Laravel FormRequest classes (input). Full Laravel rule coverage, schema references for nested Data classes, lazy-ref dedup for circular relations, locale-aware messages.

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Catch gibberish names like "asdfgh" in Laravel validation — flags keyboard-mash and random-string input in name fields.

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