patchlevel/hydrator

A library for seamless hydration of objects to arrays - and back again, optimized for developer experience and performance

2.0.0 2026-06-15 11:53 UTC

Requires

• php: ~8.2.0 || ~8.3.0 || ~8.4.0 || ~8.5.0
• ext-openssl: *
• psr/cache: ^2.0.0 || ^3.0.0
• psr/simple-cache: ^2.0.0 || ^3.0.0
• symfony/type-info: ^7.3.0 || ^8.0.0

Requires (Dev)

• infection/infection: ^0.32.4
• patchlevel/coding-standard: ^1.3.0
• phpat/phpat: ^0.12.2
• phpbench/phpbench: ^1.4.3
• phpstan/phpstan: ^2.1.39
• phpstan/phpstan-phpunit: ^2.0.15
• phpunit/phpunit: ^11.5.53
• symfony/var-dumper: ^5.4.29 || ^6.4.0 || ^7.0.0 || ^8.0.0

MIT

• Daniel Badura
• David Badura

• serializer
• hydrator
• normalizer
• denormalizer
• object mapping
• patchlevel

README

Hydrator

"A library for seamless hydration of objects to arrays - and back again, optimized for developer experience and performance."

Features

• Extract objects to arrays and hydrate them back, without calling the constructor
• Works with final, readonly classes, property promotion and deeply nested structures
• Automatic normalizer resolution for enums, date types, collections, array shapes and objects
• Rename or exclude fields with attributes
• Lazy hydration of objects with PHP 8.4 lazy proxies
• Pluggable guessers and extensions to customize the process
• Safe usage of Personal Data with crypto-shredding
• Metadata caching with any PSR-6 or PSR-16 cache
• Developer experience oriented and fully typed
• and much more...

Installation

composer require patchlevel/hydrator

Documentation

• Latest Docs
• Related Blog

Integration

• Event Sourcing

Contributing

We are open to contributions as long as they are in line with our BC-Policy.

Also note that the composer.lock is always generated with the newest supported PHP version as this is the version our tools run in the CI.