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php获取url参数程序代码总结

Jun 13, 2016 am 11:32 AM
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   parse_url函数

  我们先来了解一下parse_url函数,官方解决

  说明

  mixed parse_url ( string $url [, int $component = -1 ] )

  本函数解析一个 URL 并返回一个关联数组,包含在 URL 中出现的各种组成部分。

  本函数不是用来验证给定 URL 的合法性的,只是将其分解为下面列出的部分。不完整的 URL 也被接受, parse_url() 会尝试尽量正确地将其解析。

  要解析的 URL。无效字符将使用 _ 来替换。

  实例

代码如下  

$url = "http://www.45it.net/welcome/";

$parts = parse_url($url);

print_r($parts);


array
(
[scheme] => http
[host] => www.45it.net
[path] => /welcome/
)

  也可以自己去写一个算法!如下

代码如下  


function getParams()
{
$url = '/index.php?_p=index&_a=show&x=12&y=23';

$refer_url = parse_url($url);

$params = $refer_url['query'];

$arr = array();
if(!empty($params))
{
$paramsArr = explode('&',$params);

foreach($paramsArr as $k=>$v)
{
$a = explode('=',$v);
$arr[$a[0]] = $a[1];
}
}
return $arr;
}

  调用方法

代码如下  

$arr = getParams();
print_r($arr);

  结果

  结果: Array ( [_p] => index [_a] => show [x] => 12 [y] => 23 )

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