$outList.= outData($getList);

<?php

@$memcache = new Memcache;
@$memcache->connect("localhost",11211);

function outData($getList)
{
    $memVal = @$memcache->get(MD5($getList));
    if($memVal=='')
    {
        $results=mysql_query($getList)or die(mysql_error());

        // then I do a bunch of stuff with the data
        @$memcache->set(MD5($getList), $memVal, false, 60000);
    }
    return $memVal;
}

$memVal = @$memcache->get(MD5($getList));
#Notice: Undefined variable: memcache in /home/topbit/736160.php on line 9

function outData($memcache, $getList)