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HomeBackend DevelopmentPHP Tutorial PHP恒量PHP_SAPI与函数php_sapi_name()简介,PHP运行环境检测

PHP常量PHP_SAPI与函数php_sapi_name()简介,PHP运行环境检测

php_sapi_name() 是用来检测PHP运行环境的函数。

该函数返回一个描述PHP与WEB服务器接口的小写字符串。

例如:aolserver,?apache,apache2filter,?apache2handler,?caudium,?cgi(until PHP 5.3),cgi-fcgi,?cli,?continuity,?embed,?isapi,?litespeed,?milter,?nsapi,?phttpd,?pi3web,?roxen,thttpd,?tux,?webjames.

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如何判断PHP的运行环境?

阅读ci代码过程中发现,处理URI会根据php的运行环境进行不用处理。

那么如何判断php的运行环境呢?

我们一般情况下,都是在apache下面运行我们的php程序,当然也有些人是用IIS环境的。

我们要是想知道我们目前运行的环境是什么的话,那我们可以用函数php_sapi_name()来测试,

代码:

<?php
    echo php_sapi_name();
?>

?在apache环境下面输出的结果是“apache2handler”;

在cgi模式下输出的结果是“cgi-fcgi”

要是在命令行模式下面运行的话,那么输出的结果是:”cli”

依据这个内容我们可以判断当前运行的环境是什么!

那么在命令行下怎么运行呢?

如下:

进入DOS 进入php.exe文件的地址 如我的是:d:/wamp/bin/php/php5.3.3/

然后输入php.exe “文件的绝对路径” 如:>php.exe d:/wamp/www/info.php

就可以了。

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