PHP致命错误：找不到类“ Dotenv” [英] PHP Fatal error: Class 'Dotenv' not found in

问题描述

我有一个项目试图运行它，但出现以下错误：

I've a project I try to run it but I am getting a following error:

PHP Fatal error:  Class 'Dotenv' not found in `/home/maras/Documents/eCodile/debtorcare/server/bootstrap/app.php on line 5`

在尝试执行 php artisan start 的过程中，我遇到了这个错误，我尝试重新安装所有依赖项，但没有成功。
我刚刚尝试根据我在Internet上发现的其他类似问题来运行一些命令，但它们中的任何一个都起作用。我试过了：

I'm struggling with this error during trying to execute a php artisan start I tried to reinstall all dependencies but it didn't work. I've just tried to run some commands based on other similar problems I found in the Internet but any of them worked. I tried ie:

composer require vlucas / phpdotenv --prefer-dist

我有一个文件 .env 。

这是一个放置错误的文件：

This is a file where error is placed:

<?php

require_once __DIR__.'/../vendor/autoload.php';

Dotenv::makeMutable();
Dotenv::load(__DIR__.'/../');
Dotenv::makeImmutable();

/*
|--------------------------------------------------------------------------
| Create The Application
|--------------------------------------------------------------------------
|
| Here we will load the environment and create the application instance
| that serves as the central piece of this framework. We'll use this
| application as an "IoC" container and router for this framework.
|
*/

$app = new Laravel\Lumen\Application(
    realpath(__DIR__.'/../')
);

错误是否可能与数据库或phpMyAdmin的错误配置有关？也许我将.env放在错误的位置？

Is it possible the error is connected with wrong configuration of a database or phpMyAdmin? Or maybe Ive got .env placed in wrong place?

我尝试在开发中运行该项目。

I try to run this project in development.

推荐答案

我猜您在运行命令时更改了cwd。确保可以从项目根目录加载composer.json，.env， vendor / autoload.php。

I guess the cwd was changed while you're running the command. make sure that composer.json, .env, "vendor/autoload.php" can be loaded from the project root.

也许您需要运行 composer dump-autoload在安装Dotenv之后，

maybe you need to run "composer dump-autoload" after the Dotenv installation,

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