为什么即使正确声明了名称空间后仍会出现错误?

问题描述

这是我的文件夹结构

这是我的composer.json代码

{
"name": "hashstar/hashstar",
"description": "Online shopping",
"type": "project",
"license": "private",
"authors": [
    {
        "name": "Akshay Shrivastav",
        "email": "[e-mail]"
    }
],
"minimum-stability": "dev",
"require": {
    "php": ">=5.5.0"
},
"autoload": {
    "psr-4": {
        "modules\\": "/"
    }
  }
}

使用此代码，我已经在供应商文件夹中成功生成了autoload.php文件.

With this code, i have successfully generated the autoload.php thing in the vendor folder.

I have a file name HelloWorld.php in modules folder

在快照所示的非常根目录中，我有一个名为index.php的文件，代码如下:

In the very root directory as the snapshot shows below i have an file named index.php the code is as follows:

<?php
    require_once __DIR__ . '/vendor/autoload.php';
    use modules\HelloWorld\Greetings;
    echo Greetings::sayHelloWorld();
?>

运行此代码后，我得到了这样的错误

我不知道我在Google&上搜索解决方案的错误是什么从最近几个小时开始做各种事情.任何帮助将不胜感激.

I don't know what the error is I have been searching the solution on google & doing various things from last few hours. Any helps would be appreciated.

推荐答案

实际上，我得到的错误是我没有做两件事.

1.) Using vendor name folder structure with namespaces in it.
2.) I wasn't using dump-autoload thing. After doing these two things finally my code is working. Thanks for the help :)

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