├── .gitignore
├── src
    └── SayHello.php
└── composer.json


/.gitignore:
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1 | vendor/*
2 | composer.lock


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/src/SayHello.php:
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 1 | <?php 
 2 |  
 3 | namespace Hello; 
 4 | 
 5 | class SayHello
 6 | {
 7 |     public static function world()
 8 |     {
 9 |         return 'Hello World!';
10 |     }
11 | }


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/composer.json:
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 1 | {
 2 |     "name": "baoyuyu/xm",
 3 |     "description": "This is my composer",
 4 |     "license": "MIT",
 5 |     "authors": [
 6 |         {
 7 |             "name": "505561427",
 8 |             "email": "baoyuyu7474741@qq.com"
 9 |         }
10 |     ],
11 |     "minimum-stability": "dev",
12 |     "require": {},
13 |     "autoload": {
14 |         "psr-4": {
15 |             "Hello\\": "src/"
16 |         }
17 |     }
18 | }
19 | 


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