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ActiveLibrary[Utility & Helpers](/categories/utility)

teracrafts/flagkit
==================

Official PHP SDK for FlagKit feature flag management

v1.1.0(4mo ago)01MITPHPPHP >=8.1

Since Feb 7Pushed 4mo agoCompare

[ Source](https://github.com/teracrafts/flagkit-sdk-php)[ Packagist](https://packagist.org/packages/teracrafts/flagkit)[ RSS](/packages/teracrafts-flagkit/feed)WikiDiscussions main Synced today

READMEChangelogDependencies (5)Versions (11)Used By (0)

FlagKit PHP SDK
===============

[](#flagkit-php-sdk)

Official PHP SDK for [FlagKit](https://flagkit.dev) feature flag service.

Requirements
------------

[](#requirements)

- PHP 8.1 or later
- Composer

Installation
------------

[](#installation)

```
composer require teracrafts/flagkit
```

Features
--------

[](#features)

- **Type-safe evaluation** - Boolean, string, number, and JSON flag types
- **Local caching** - Fast evaluations with configurable TTL and optional encryption
- **Background polling** - Automatic flag updates
- **Event tracking** - Analytics with batching and crash-resilient persistence
- **Resilient** - Circuit breaker, retry with exponential backoff, offline support
- **Security** - PII detection, request signing, bootstrap verification, timing attack protection

Quick Start
-----------

[](#quick-start)

```