A Docker image that runs multiple PHP versions

Usage

Docker host

Run a script with default PHP version.

docker run --rm -i attr/multi-php < script.php

Run a script with specific PHP version.

docker run --rm -i attr/multi-php php8.2 < script.php
# or
docker run --rm -i -v "$PWD":/var/www attr/multi-php php8.3 script.php

Run builtin web server with specific PHP version.

docker run --rm -i -v "$PWD":/var/www -p8080:8080 attr/multi-php php8.4 -S 0.0.0.0:8080

Inside container

Set default PHP version.

update-alternatives --set php /usr/bin/php8.3

Set default PHP version (interactive mode).

update-alternatives --config php