php获取url参数程序代码总结

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

$parts = parse_url($url);

print_r($parts);

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

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;
}

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