使用Composer插件来优化项目依赖管理的技巧

"name": "your-project-name",
"description": "Your project description",
"require": {
    "monolog/monolog": "^1.25"
},
"autoload": {
    "psr-4": {
        "Your\Namespace\": "src/"
    }
},
"extra": {
    "composer-plugin": {
        "plugins": {
            "your-vendor-name/plugin-name": "1.0.0"
        }
    }
}

<?PHP

use ComposerComposer;
use ComposerIOIOInterface;
use ComposerPluginPluginInterface;
use ComposerEventDispatcherEventSubscriberInterface;
use ComposerPluginPluginEvents;
use ComposerPluginPluginManager;

class ExamplePlugin implements PluginInterface, EventSubscriberInterface
{
    public function activate(Composer $composer, IOInterface $io)
    {
        // 在这里注册需要监听的事件
    }

    public static function getSubscribedEvents()
    {
        return array(
            PluginEvents::PRE_PACKAGE_INSTALL => 'showMessage',
            PluginEvents::PRE_PACKAGE_UPDATE => 'showMessage',
        );
    }

    public function showMessage($event)
    {
        $io = $event->getIO();
        $io->write('Installing or updating packages...');
    }
}

"extra": {
    "composer-plugin": {
        "plugins": {
            "Your\Namespace\ExamplePlugin": "src/ExamplePlugin.php"
        }
    }
}