Libraries tagged by validation errors

Chunked CSV import with row-level validation, error collection, dry-run mode, and queue support

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Provide global object which can contain all validation errors. It's userfull in REST API

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Symfony bundle providing a RFC7807 valid form validation error response for JMS Serializer library

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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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Validify is a powerful PHP validation library that provides flexible and customizable validation rules, error handling, and pre-validation callbacks.

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A PHP library to handle results, errors and validations.

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Laravel IBAN length and checksum validation with structured errors and country restrictions.

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A Laravel package to standardize API responses, errors, and validation outputs across Laravel applications

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A simple and flexible PHP validation library that supports multiple error handling methods

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Validation vocabulary and executor: machine error codes rather than prose, and a third verdict — unknown — for the checks it cannot honestly settle

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The SuperValidator Package is a powerful PHP class designed to simplify and enhance the validation of form data in web applications. It provides a flexible and extensible framework for defining validation rules and generating meaningful error messages

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JSON Schema Validator is a comprehensive tool for validating JSON data against JSON Schema definitions. It provides detailed error reporting with field-level validation results.

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A modern, strictly-typed PHP 8.2+ environment loader with fluent validation, type inference, integrity checking, and structured error rendering.

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Validates and stores a single uploaded file, with separate visitor and operator error messages

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A lightweight structural gate for PHP payloads. Validates the shape before business logic validates the content.

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