如何获取运行 PHP 的操作系统?
为了构建一个 unix/dos 特定的脚本,我需要知道我在哪种操作系统上.
For building a unix/dos specific script I need to know on which kind of operating system I am.
我如何获得这些信息?phpinfo();
告诉我更多,但不是很清楚我是否在 unix 上运行.
How do i get this information?
phpinfo();
tells me a lot more and not very clear whether I'm running on unix or not.
推荐答案
PHP有很多预定义常量,通常很有用.
PHP has many predefined constants that are often useful.
这里,PHP_OS
就是你要找的那个.
Here, PHP_OS
is the one you are looking for.
例如,在我当前的机器上,这段代码:
For instance, on my current machine, this code :
var_dump(PHP_OS);
给:
string 'Linux' (length=5)
你有一些例子和比较 php_uname
函数可以让你在 php_uname
的手册页;例如(引用):
<?php
echo php_uname();
echo PHP_OS;
/* Some possible outputs:
Linux localhost 2.4.21-0.13mdk #1 Fri Mar 14 15:08:06 EST 2003 i686
Linux
FreeBSD localhost 3.2-RELEASE #15: Mon Dec 17 08:46:02 GMT 2001
FreeBSD
Windows NT XN1 5.1 build 2600
WINNT
*/
if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
echo 'This is a server using Windows!';
} else {
echo 'This is a server not using Windows!';
}
该页面还显示:
对于只是操作的名称系统,考虑使用 PHP_OS
不变,但请记住这一点常量将包含操作系统 PHP 构建.
For the name of just the operating system, consider using the
PHP_OS
constant, but keep in mind this constant will contain the operating system PHP was built on.
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