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HomeBackend DevelopmentPHP TutorialPHP怎么获取url里的自定义参数

PHP怎么获取url里的自定义参数,
比如:

  1. http://www.xxx.com/cba/index.php
  2. http://www.xxx.com/abc/index.php
  3. http://www.xxx.com/bbb/index.php

分别出来的值是:

  1. cba
  2. abc
  3. bbb


http://www.xxx.com/{shop}/index.php
需要获取shop这个变量

回复内容:

PHP怎么获取url里的自定义参数,
比如:

  1. http://www.xxx.com/cba/index.php
  2. http://www.xxx.com/abc/index.php
  3. http://www.xxx.com/bbb/index.php

分别出来的值是:

  1. cba
  2. abc
  3. bbb


http://www.xxx.com/{shop}/index.php
需要获取shop这个变量

apache大概这样配置

<code>AliasMatch ^/(匹配你参数的正则表达式)/index.php  /path/to/process.php?arg=$1
</code>

然后在process.php文件里$_GET['arg'] 就是

告诉一种用过的愚蠢的办法吧
$_SERVER['PHP_SELF']取出,然后正则,详情看以看看这个链接

外加,一般PHP程序都是用框架写的把,那样的话你可以去他的文档找他定义的常量即可,实在没有就是上面的

方案1. 使用服务器的URI重写功能,参考@zonxin的答案
方案2. 在PHP中去解析URL,注意应该使用$_SERVER['REQUEST_URI'],例如:

<code>   if (preg_match('|^/([^/]+)/index.php|', $_SERVER['REQUEST_URI'], $matches)){
       list(, $shop) = $matches;
       echo $shop;        // => 你期望的shop这个变量
   }
</code>

b.t.w. 关于REQUEST_URI和PHP_SELF的区别,请参考这篇讨论

.htaccess重写url

<code>isset($_SERVER['PATH_INFO'])?explode('/',my_addslashes(ltrim(trim($_SERVER['PATH_INFO']),'/')))
</code>

可以使用PATH_INFO获取,不过不建议这么做了,现在的框架都是使用query_string

获取PATH_INFO,用正则匹配出来

<code>preg_match('/\/(.*)\/index.php/',$_SERVER['PATH_INFO'],$match);
var_dump($match[1]);
</code>
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