add event to google calendar

addToGoogleCalendar.php

<?php

// add event to google calendar
echo '<a href="' . addToGoogleCalendar("Let's test this", "next wednesday 2pm", "next wednesday 4pm", "right here, right now", "bla blah rhubarb http://axwax.de") . '">next weds 2pm</a><br/>';
echo '<a href="' . addToGoogleCalendar("Breakfast at Tiffany's", "tomorrow 8am") . '">Breakfast at Tiffany\'s</a>';

function addToGoogleCalendar($title='', $startdate='', $enddate='', $location='', $details='')
{
    $startdate = ($startdate ? $startdate : time());
    $startdate = (is_numeric($startdate) ? $startdate : strtotime($startdate));
    $enddate = ($enddate ? $enddate : $startdate + 3600);
    $enddate = (is_numeric($enddate) ? $enddate : strtotime($enddate));   
    $google_url = "http://www.google.com/calendar/event";
    $action = "?action=TEMPLATE";
    $title = ( $title ? ("&text=" . urlencode($title)) : "") ;
    $dates = "&dates=" . getIcalDate($startdate) . "Z/" . getIcalDate($enddate) . "Z";
    $location = ( $location ? ("&location=" . urlencode($location)) : "") ;
    $details = ( $details ? ("&details=" . urlencode($details)) : "") ;
    $out = $google_url . $action . $title . $dates . $location . $details;
    return $out;
}
function getIcalDate($time, $incl_time = true)
{
    return $incl_time ? date('Ymd\THis', $time) : date('Ymd', $time);
}
?>

By using above code, If the User have to ADD 10 events then he has to click 10 times. Is there any other way?.
Also Is there any way that Events come from Database.?