관리-도구
편집 파일: SingletonClass.php
<?php declare(strict_types=1); /* * This file is part of PHPUnit. * * (c) Sebastian Bergmann <sebastian@phpunit.de> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ class SingletonClass { public static function getInstance(): void { } protected function __construct() { } private function __sleep(): void { } private function __wakeup(): void { } private function __clone() { } public function doSomething(): void { } }