problem-ajax.php

<?php
header("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1
header("Expires: Sat, 26 Jul 1997 05:00:00 GMT"); // Date in the past

////////////////////////////Common head
        $cache_time=2;
        $OJ_CACHE_SHARE=false;
    require_once('./include/db_info.inc.php');
        require_once('./include/setlang.php');
        $view_title= "$MSG_STATUS";


require_once("./include/const.inc.php");



$pid=0;
// check the top arg

if (isset($_GET['pid'])){
        $pid=intval($_GET['pid']);
}
	if($OJ_MEMCACHE){
		$sql="select user_id from privilege where rightstr='p$pid'  LIMIT 1";
		require("./include/memcache.php");
		$result = mysql_query_cache($sql);
		
	}else{
		$sql="select user_id from privilege where rightstr=?  LIMIT 1";
		$result = pdo_query($sql,"p".$pid);
		
	}

	if ($result){
		$row=$result[0];
		echo "<a href='userinfo.php?user=".htmlentities($row['user_id'],ENT_QUOTES,'utf-8')."'>".htmlentities($row['user_id'],ENT_QUOTES,'utf-8')."</a>";
	}else{
		echo "$MSG_IMPORTED";
	}


?>