function convertUrlQuery($query)
{
    $queryParts = explode('&', $query);
    $params = array();
    foreach ($queryParts as $param)
    {
        $item = explode('=', $param);
		$item[0] = str_replace('amp;','',$item[0]);
        $params[$item[0]] = $item[1];
    }
    return $params;
}

 

function getUrlQuery($array_query)
{
    $tmp = array();
    foreach($array_query as $k=>$param)
    {
        $tmp[] = $k.'='.$param;
    }
    $params = implode('&',$tmp);
    return $params;

}


		$url = parse_url($post['url']);
		
		$host = 'http://'.$url['host']. $url['path'].'?';
		$arr_query = convertUrlQuery($url['query']);
		print_r($arr_query);