function amr_derive_dates(&$e)
{
/* Derive basic date dependent data - called early on before repeating */
if (!isset($e['DTSTART'])) {
return false;
}
if (is_array($e['DTSTART'])) {
$e['DTSTART'] = $e['DTSTART'][0];
}
if (isset($e['DTEND']) and is_array($e['DTEND'])) {
$e['DTEND'] = $e['DTEND'][0];
}
if (!is_object($e['DTSTART'])) {
// show error more discretely - some people are working with really dodgy ics files
echo '<p class="error"><a title="Error: Event with no date: ' . $e['SUMMARY'] . '">!</a>';
echo '</p>';
if (ICAL_EVENTS_DEBUG) {
echo 'Dumping event record:';
var_dump($e);
}
return $e;
}
if (isset($e['DURATION']) and empty($e['DTEND'])) {
/*** an array of the duration values, calc the end date or time */
$e['DTEND'] = new Datetime();
//if cloning dont need tz
$e['DTEND'] = clone $e['DTSTART'];
$e['DTEND'] = amr_add_duration_to_date($e['DTEND'], $e['DURATION']);
} else {
if (isset($e['DTEND']) and empty($e['DURATION'])) {
/* we don't have a duration */
$e['DURATION'] = amr_calc_duration($e['DTSTART'], $e['DTEND']);
/* calc the duration from the original values*/
}
}
if (isset($e['DTEND']) and is_object($e['DTEND'])) {
if (!isset($e['allday']) and amr_is_all_day($e['DTSTART'], $e['DTEND'])) {
// only chcek if not done
$e['allday'] = 'allday';
}
/* set EndDate as human version instead of technical DTEND */
$e['EndDate'] = new Datetime();
//if cloning dont need tz
$e['EndDate'] = clone $e['DTEND'];
if (isset($e['allday']) and $e['allday'] == 'allday') {
date_modify($e['EndDate'], '-1 day');
}
// for human view
}
return $e;
}
function amr_event_is_multiday($event)
{
//determine if event is a multi day event
if (empty($event['DURATION'])) {
if (empty($event['EndDate'])) {
return false;
} else {
$duration = amr_calc_duration($event['EventDate'], $event['EndDate']);
}
} else {
$duration = $event['DURATION'];
}
if (isset($_GET['debugmulti'])) {
echo '<br /> duration = ';
var_dump($duration);
}
$days = 0;
if (!empty($duration['days']) and $duration['days'] >= 1) {
$days = $duration['days'];
}
if (!empty($duration['hours']) and $duration['hours'] >= 1 or !empty($duration['minutes']) and $duration['minutes'] >= 1 or !empty($duration['seconds']) and $duration['seconds'] >= 1) {
// then we go over 1 day into the next
$days = $days + 1;
}
if (!empty($duration['weeks']) and $duration['weeks'] >= 1) {
$days = $days + 7 * $duration['weeks'];
}
if (isset($_GET['debugmulti'])) {
echo '<br /> The number of days over which to show event ' . $event['SUMMARY'] . ' is = ' . $days;
}
return $days;
}
