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我不明白composer dump-autoload命令的描述：爲什麼它說dump ... for performance reasons作曲家轉儲自動加載 - 命令
If you need to update the autoloader because of new classes in a classmap package for example, you can use "dump-autoload" to do that without having to go through an install or update.
Additionally, it can dump an optimized autoloader that converts PSR-0/4 packages into classmap ones for performance reasons. In large applications with many classes, the autoloader can take up a substantial portion of every request's time. Using classmaps for everything is less convenient in development, but using this option you can still use PSR-0/4 for convenience and classmaps for performance.
？爲什麼要傾倒優化的裝載機？ 它是'傾銷'還是'轉換爲性能原因'？
如果是「傾銷績效」，爲什麼說classmaps for performance？
如果它「轉換爲性能」，那麼爲什麼要傾倒自動裝載機？
我很困惑。