Libraries tagged by data validation

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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Argonaut is a lightweight Data Transfer Object (DTO) package for Laravel that supports nested casting, recursive serialization, and validation out of the box. Ideal for service layers, APIs, and clean architecture workflows.

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Framework-agnostic PHP database library with unified API for MySQL, MariaDB, PostgreSQL, SQLite, MSSQL, and Oracle. Query Builder, caching, sharding, window functions, CTEs, JSON, migrations, ActiveRecord, CLI tools, AI-powered analysis. Zero external dependencies.

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An easy to use data type validator (both strict and fuzzy).

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Mezzio and Valinor integration layer: convert PSR-7 requests to well-typed data structures

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Immutable DTOs with bidirectional casting. No framework required. 8x faster than the alternative.

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A simple wrapper for VIES VAT Validation WebService.

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Common ValueValidator implementations

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Basic validatable standardized data object.

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A complete PHP utility library for validating, formatting, comparing data, and more.

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Performs address capture and data validation (email, phone number and address) using Loqate API.

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Adds data capture and validation products by Fetchify (previously Crafty Clicks) to Magento 2.

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A simple PHP ETL tool with validation of source data.

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Lean, attribute-driven Laravel data objects with explicit validation and Eloquent casting support

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JSON RPC 2.0 for Yii2 strict type validation of request and response data

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