PHP判斷系統是windows還是Linux

資料來源:https://java-er.com/blog/php-judge-windows-linux-mac/

https://wbkuo.pixnet.net/blog/post/189246138-%5Bphp%5D-%E5%B8%B8%E6%95%B8-php_os-%E5%8F%AF%E4%BB%A5%E6%8B%BF%E4%BE%86%E5%88%A4%E6%96%B7%E7%9B%AE%E5%89%8D-php-%E5%9F%B7%E8%A1%8C%E6%99%82

Code:

//最終我用的判斷操作系統的php代碼
if ( strtoupper ( substr ( PHP_OS , 0 , 3 ) ) === 'WIN' )
{ 
	echo  'win' ; 
} 
else
{ 
	echo  'no windows' ; 
}