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PHP获取当前相对于域名目录的方法,php获取当前域名
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PHP获取当前相对于域名目录的方法,php获取当前域名

Jun 13, 2016 am 08:59 AM
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PHP获取当前相对于域名目录的方法,php获取当前域名

本文实例讲述了PHP获取当前相对于域名目录的方法。分享给大家供大家参考。具体如下:

http://127.0.0.1/dev/classd/index.php/download
比如这个地址,我想得到红色区域的地址用于生成站内的链接,名为 baseurl。

用 $_SERVER['SCRIPT_NAME'] 就可以了, $_SERVER['SCRIPT_NAME'] 是当前正在访问的PHP文件的相对路径,只要如下稍作处理:

从$_SERVER['SCRIPT_NAME']中获取目录部分,并且替换dirname函数可能出现的反斜杠问题  
复制代码 代码如下:$baseUrl = str_replace('\\','/',dirname($_SERVER['SCRIPT_NAME']));

保证为空时能返回可以使用的正常值 

复制代码 代码如下:$baseUrl = empty($baseUrl) ? '/' : '/'.trim($baseUrl,'/').'/';

这样就可以正常获取到 /dev/classd/ 这部分的目录地址了。

顺便看了一下 Zend Framework 的 baseUrl() 函数,结果一看那么一大堆代码就没再继续看了,我就想不通同样的功能他用了一大堆一大堆的代码,从$_SERVER里获取了一堆,然后中间经过两三个类,四五个方法才最终被我们直接调用,除了中间有三行是获取当前的PHP文件以外,其它都是没用和无谓的处理,ZF本身运行的已经够慢的了,这是什么一个意思呢。感兴趣的朋友可以研究一下。

希望本文所述对大家的php程序设计有所帮助。

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