function get_tiny_url($url){
	$ch = curl_init();
	curl_setopt($ch,CURLOPT_URL,'http://tinyurl.com/api-create.php?url='.$url);
	curl_setopt($ch,CURLOPT_RETURNTRANSFER, 1);
	curl_setopt($ch,CURLOPT_CONNECTTIMEOUT, 5);
	$data = curl_exec($ch);
	curl_close($ch);
	return $data;
}

function unpack_id($id){
	$url='http://tinyurl.com/'.$id;
	$ch = curl_init();
	curl_setopt($ch, CURLOPT_URL,$url);
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
	curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 0);
	curl_setopt($ch, CURLOPT_HEADER, 1);
	curl_setopt($ch, CURLOPT_NOBODY, 0);
	$r=curl_exec($ch);
	$s1='Location: ';
	$s2="\r\n";
	$p1=strpos($r,$s1)+strlen ($s1);
	$p2=strpos($r,$s2,$p1+1);
	return substr($r,$p1,$p2-$p1);
}