php 将数组转换网址URL参数

举例子如下:
复制代码 代码如下:
 
$url = "http://www.electrictoolbox.com/php-extract-domain-from-full-url/";
$parts = parse_url($url);
 
输出:
复制代码 代码如下:
 
Array
(
[scheme] => http
[host] => www.electrictoolbox.com
[path] => /php-extract-domain-from-full-url/
)
 
又如:
复制代码 代码如下:
 
<?php
$url = ‘http://username:password@hostname/path?arg=value#anchor‘;
print_r(parse_url($url));
echo parse_url($url, PHP_URL_PATH);
?>
 
输出:
复制代码 代码如下:
 
Array
(
[scheme] => http
[host] => hostname
[user] => username
[pass] => password
[path] => /path
[query] => arg=value
[fragment] => anchor
)