在composer scripts中如何获取当前执行的命令名称

{
    "scripts": {
        "post-install-cmd": [
            "php handle-script.php install"
        ],
        "post-update-cmd": [
            "php handle-script.php update"
        ]
    }
}

<?php
$command = $argv[1] ?? 'unknown';
echo "当前执行的命令是: " . $command;

<?php
if (getenv('COMPOSER_COMMAND') === 'install') {
    echo "正在执行 composer install";
} elseif (getenv('COMPOSER_COMMAND') === 'update') {
    echo "正在执行 composer update";
}

<?php

use Composer\Script\Event;

class MyScriptHandler
{
    public static function postCmd(Event $event)
    {
        $command = $event->getComposer()->getCommand();
        // 注意：并非所有版本都支持 getCommand()
        // 更稳妥的方式是通过 $event->getName() 获取事件名
        $eventName = $event->getName(); // 如 post-install-cmd
        if (strpos($eventName, 'install') !== false) {
            echo "由 install 命令触发\n";
        } elseif (strpos($eventName, 'update') !== false) {
            echo "由 update 命令触发\n";
        }
    }
}

{
    "scripts": {
        "post-install-cmd": "MyScriptHandler::postCmd",
        "post-update-cmd": "MyScriptHandler::postCmd"
    }
}