<?php
function getQQNick($qq){
$str = file_get_contents('http://r.qzone.qq.com/cgi-bin/user/cgi_personal_card?uin='.$qq);
$pattern = '/'.preg_quote('"nickname":"','/').'(.*?)'.preg_quote('",','/').'/i';
preg_match ( $pattern,$str, $result );
return $result[1];
}
?>