PHP $url_parts

url_parts.php

<?

$url=str_replace('.html','',$_GET['u']);
$page_url=$url;
$args=array();
if(strstr($url,'?'))
{
	$url=explode('?',$url);
	$tmp=$url[1];
	$tmp=explode('&',$tmp);
	foreach($tmp as $t)
	{
		list($name,$value)=explode('=',$t);
		$args[$name]=$value;
	}
	$url=$url[0];
}
$url=ereg_replace('^/|/$','',$url);
$url=str_replace('-','_',$url);
$page['url']=$url;
$url_parts=explode('/',$url);

?>