<?php namespace Installer; use Composer\Composer; use Composer\IO\IOInterface; use Composer\Plugin\PluginInterface; class Plugin7 implements PluginInterface { public function activate(Composer $composer, IOInterface $io) { $io->write('activate v7'); } public function deactivate(Composer $composer, IOInterface $io) { $io->write('deactivate v7'); } public function uninstall(Composer $composer, IOInterface $io) { $io->write('uninstall v7'); } }