title: "FrankenPHP: the modern PHP app server"
source: https://frankenphp.dev/
author:
  - "[[@dunglas]]"
published:
created: 2025-09-06
description: FrankenPHP is a new app server for PHP apps (built on top of Caddy) and a library to embed the PHP interpreter in Go web servers.
tags:
  - Computer/Code

FrankenPHP: the modern PHP app server

The Modern PHP App Server,written in Go

Logo FrankenPHP

FrankenPHP the modern PHP app server

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Build a Bootable OS with Docker Containers using Hashicorp Packer

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# Install FrankenPHP

curl https://frankenphp.dev/install.sh | sh

mv frankenphp /usr/local/bin/

# Serve the public/ directory

frankenphp php-server -r public/

# Run a command-line script

frankenphp php-cli script.php

One command to run them all

Get started!

Make your PHP apps faster than ever!

Worker mode

Fast as lightning

So easy to configure!

localhost {

    # Enable compression (optional)

    encode zstd br gzip

    # Execute PHP files in the current directory and serve assets

    php_server

}

Features

FrankenPHP at a glance

Extensible

Compatible with PHP 8.2+, most PHP extensions and all Caddy modules.

Only one service

Designed with simplicity in mind: only one service, only one binary! FrankenPHP doesn’t need PHP-FPM, it uses its own SAPI specially handcrafted for Go web servers.

Easy deploy

Cloud Native app shipped as a Docker image. Compatible with Kubernetes, and all modern cloud platforms. It’s also possible to package your PHP app as a standalone, self-executable static binary.

Worker mode

Boot your application once and keep it in memory! It is ready to handle incoming requests in a few milliseconds.

103 Early Hints

Early Hints are a brand new feature of the web platform that can improve website load times by 30%. FrankenPHP is the only PHP SAPI with Early Hints support!