PHP Core Classes Library for O2System Framework & Libraries
Clone or download
Fetching latest commit…
Cannot retrieve the latest commit at this time.
Failed to load latest commit information.

O2System Kernel

O2System Kernel is a set of PHP classes that is the core of O2System Framework. It contains classes that are loaded at startup. It handles the start-up process as well as input/output requests from the client side whether they are browser requests or command line requests, translating them into router for the framework. It handles registries and services like modules, language, config, and etc. The kernel design pattern is based on Hybrid (or modular) kernels and the kernel bootstrap class it is based on Singleton Design Pattern and has a dependency on 3 major set of PHP classes: O2System\Spl (O2System Standard PHP Library), O2System\Psr (O2System PHP Standard Recommendations) and O2System\Gear (O2System PHP Debugger).


  • HTTP Request Input-Output Handler
  • Cli Request Input-Output Handler
  • Language Service
  • Logger Service
  • Shutdown Service

Composer Installation

The best way to install O2System Kernel is to use Composer

composer require o2system/kernel



Documentation is available on this repository wiki or visit this repository github page.

Ideas and Suggestions

Please kindly mail us at

Bugs and Issues

Please kindly submit your issues at Github so we can track all the issues along development and send a pull request to this repository.

System Requirements


Role Name
Founder and Lead Projects Steeven Andrian Salim
Documentation Steeven Andrian Salim
Github Pages Designer Teguh Rianto