$elapsed=file_exists("cache/dps.cache")?filemtime("cache/dps.cache"):0;

if (time() - $elapsed > 60*5)
{
    $fp=fopen("http://www.worldoflogs.com/guilds/67175/rankings/players/","r");
    $html=stream_get_contents($fp);
    fclose($fp);
    $html=str_replace("<a href='/","<a href='http://www.worldoflogs.com/",$html);
    $dps_start=strpos($html,"<table class='playerRankMixed'>");
    $dps_end=strpos($html,"</table>",$dps_start);
    $heal_start=strpos($html,"<table class='playerRankMixed'>",$dps_end);
    $heal_end=strpos($html,"</table>",$heal_start);

    $dps=substr($html,$dps_start,$dps_end-$dps_start)."</table>";
    file_put_contents("cache/dps.cache",$dps);
    echo $dps;
    $heal=substr($html,$heal_start,$heal_end-$heal_start)."</table>";
    file_put_contents("cache/heal.cache",$heal);
    echo $heal;
}
else
{
    echo file_get_contents("cache/dps.cache");
    echo file_get_contents("cache/heal.cache");
}