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非cli 而且用nginx 的时候 可以用 fastcgi_param 给 $_SERVER 增加属性;
但在cli 模式下怎么做呢
小伙看你根骨奇佳，潜力无限，来学PHP伐。
$_SERVER是个变量，变量就意味着你可以轻松修改它……
php$_SERVER['ooxx'] = '囧'; //想了想还是给个例子吧
php
$_SERVER['ooxx'] = '囧'; //想了想还是给个例子吧
环境变量会出现在$_SERVER中，所以直接修改环境变量就行
$_SERVER
$ YOUR_VARIABLE=here php -r 'print_r($_SERVER);'|grep here [YOUR_VARIABLE] => here $ export ANOTHER_VAR=this $ php -r 'print_r($_SERVER);'|grep this [ANOTHER_VAR] => this
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
$_SERVER是个变量，变量就意味着你可以轻松修改它……
环境变量会出现在
$_SERVER中，所以直接修改环境变量就行