if ($use_cache) {
        ////////
        //Cache
        //

        $cache_time = 3600*12; // 12 hours
        $cache_file = $_SERVER['DOCUMENT_ROOT'].'/gcal.xml'; //xml file saved on server

        if ($debug_mode) {echo "<P>Your cache is saved at ".$cache_file."</P>";}

        $timedif = @(time() - filemtime($cache_file));

        $xml = "";
        if (file_exists($cache_file) && $timedif < $cache_time) {
                if ($debug_mode) {echo "<P>I'll use the cache.</P>";}
                $str = file_get_contents($cache_file);
                $xml = simplexml_load_string($str);
        } else { //not here
                if ($debug_mode) {echo "<P>I don't have any valid cached copy.</P>";}
                $xml = simplexml_load_file($calendar_xml_address); //come here
                if ($f = fopen($cache_file, 'w')) { //save info
                        $str = $xml->asXML();
                        fwrite ($f, $str, strlen($str));
                        fclose($f);
                        if ($debug_mode) {echo "<P>Cache saved :)</P>";}
                } else { echo "<P>Can't write to the cache.</P>"; }
        }

        //done!
} else {
    $xml = simplexml_load_file($calendar_xml_address);
}

if ($debug_mode) {echo "<P>Successfully got the GCal feed.</p>";}

$items_shown=0;
$old_date="";
$xml->asXML(); ********THIS IS LINE 120 CAUSING THE ERROR**********

foreach ($xml->entry as $entry){
    $ns_gd = $entry->children('http://schemas.google.com/g/2005');

    //Do some niceness to the description
    //Make any URLs used in the description clickable
    $description = preg_replace('"\b(http://\S+)"', '<a href="$1">$1</a>', $entry->content);

    // Make email addresses in the description clickable
    $description = preg_replace("`([-_a-z0-9]+(\.[-_a-z0-9]+)*@[-a-z0-9]+(\.[-a-z0-9]+)*\.[a-z]{2,6})`i","<a href=\"mailto:\\1\" title=\"mailto:\\1\">\\1</a>", $description);

    if ($debug_mode) { echo "<P>Here's the next item's start time... GCal says ".$ns_gd->when->attributes()->startTime." PHP says ".date("g.ia  -Z",strtotime($ns_gd->when->attributes()->startTime))."</p>"; }

    // These are the dates we'll display
    $gCalDate = date($dateformat, strtotime($ns_gd->when->attributes()->startTime));
    $gCalDateStart = date($dateformat, strtotime($ns_gd->when->attributes()->startTime));
    $gCalDateEnd = date($dateformat, strtotime($ns_gd->when->attributes()->endTime));
    $gCalStartTime = date($timeformat, strtotime($ns_gd->when->attributes()->startTime));
    $gCalEndTime = date($timeformat, strtotime($ns_gd->when->attributes()->endTime));

    // Now, let's run it through some str_replaces, and store it with the date for easy sorting later
    $temp_event=$event_display;
    $temp_dateheader=$event_dateheader;
    $temp_event=str_replace("###TITLE###",$entry->title,$temp_event);
    $temp_event=str_replace("###DESCRIPTION###",$description,$temp_event);

    if ($gCalDateStart!=$gCalDateEnd) {
    //This starts and ends on a different date, so show the dates
    $temp_event=str_replace("###DATESTART###",$gCalDateStart,$temp_event);
    $temp_event=str_replace("###DATEEND###",$gCalDateEnd,$temp_event);
    } else {
    $temp_event=str_replace("###DATESTART###",'',$temp_event);
    $temp_event=str_replace("###DATEEND###",'',$temp_event);
    }

    $temp_event=str_replace("###DATE###",$gCalDate,$temp_event);
    $temp_dateheader=str_replace("###DATE###",$gCalDate,$temp_dateheader);
    $temp_event=str_replace("###FROM###",$gCalStartTime,$temp_event);
    $temp_event=str_replace("###UNTIL###",$gCalEndTime,$temp_event);
    $temp_event=str_replace("###WHERE###",$ns_gd->where->attributes()->valueString,$temp_event);
    $temp_event=str_replace("###LINK###",$entry->link->attributes()->href,$temp_event);
    $temp_event=str_replace("###MAPLINK###","http://maps.google.com/?q=".urlencode($ns_gd->where->attributes()->valueString),$temp_event);
    // Accept and translate HTML
    $temp_event=str_replace("&lt;","<",$temp_event);
    $temp_event=str_replace("&gt;",">",$temp_event);
    $temp_event=str_replace("&quot;","\"",$temp_event);

    if (($items_to_show>0 AND $items_shown<$items_to_show)) {
                if ($GroupByDate) {if ($gCalDate!=$old_date) { echo $temp_dateheader; $old_date=$gCalDate;}}
        echo $temp_event;
        $items_shown++;
    }
}

if (!$items_shown) { echo $event_error; }
?>