<?php
/*======================================================================*\
|| #################################################################### ||
|| # vBulletin 4.2.5
|| # ---------------------------------------------------------------- # ||
|| # Copyright ©2000-2017 vBulletin Solutions Inc. All Rights Reserved. ||
|| # This file may not be redistributed in whole or significant part. # ||
|| # ---------------- VBULLETIN IS NOT FREE SOFTWARE ---------------- # ||
|| #        www.vbulletin.com | www.vbulletin.com/license.html        # ||
|| #################################################################### ||
\*======================================================================*/

global 	$_CALENDAROPTIONS,
		$_CALENDARHOLIDAYS,
		$months,
		$days,
		$period,
		$reminder;

// Defined constants used for calendars
$_CALENDAROPTIONS = array(
	'showbirthdays' => 1,
	'showholidays'  => 2,
	'showweekends'  => 4,
	'allowhtml'     => 8,
	'allowbbcode'   => 16,
	'allowimgcode'  => 32,
	'allowsmilies'  => 64,
	'weekly'        => 128,
	'yearly'        => 256,
	'showupcoming'  => 512, # Display upcoming events from this calendar on the front page
	'allowvideocode'=> 1024,
);

// Defined constants for pre-defined holidays
$_CALENDARHOLIDAYS = array(
	'easter'         => 1,
	'good_friday'    => 2,
	'palm_sunday'    => 4,
	'ash_wednesday'  => 8,
	'pentecost'      => 16,
	'mardi_gras'     => 32,
	'corpus_christi' => 64,
);

$months = array(
	1 => 'january',
	2 => 'february',
	3 => 'march',
	4 => 'april',
	5 => 'may',
	6 => 'june',
	7 => 'july',
	8 => 'august',
	9 => 'september',
	10 => 'october',
	11 => 'november',
	12 => 'december'
);

$days = array(
	1 => 'sunday',
	2 => 'monday',
	3 => 'tuesday',
	4 => 'wednesday',
	5 => 'thursday',
	6 => 'friday',
	7 => 'saturday'
);

$period = array(
	1 => 'date_first',
	'second',
	'third',
	'fourth',
	'date_last'
);

$reminders = array(
	'3600'   => 'one_hour',
	'7200'   => 'two_hours',
	'10800'  => 'three_hours',
	'14400'  => 'four_hours',
	'21600'  => 'six_hours',
	'28800'  => 'eight_hours',
	'43200'  => 'twelve_hours',
	'64800'  => 'eighteen_hours',
	'86400'  => 'one_day',
	'172800' => 'two_days',
	'259200' => 'three_days',
);

// ###################### Start setdatetime #######################
function fetch_event_date_time($info)
{
	//these don't appear to get used
	global $timerange, $vbphrase, $months, $holiday, $days;

	//these are read from
	global $vbulletin, $day, $month, $year;

	//these are written to
	global $titlecolor, $date1, $date2, $time1, $time2, $recurcriteria, $allday, $show, $eventdate;

	require_once(DIR . '/includes/functions_misc.php');

	$daterange = '';
	$recurcriteria = '';
	$show['recuroption'] = false;
	$titlecolor = 'alt1';

	if ($wordwrap != 0)
	{
		$info['title'] = fetch_word_wrapped_string($info['title']);
	}

	$info['event'] = iif(empty($info['event']), '&nbsp;', parse_calendar_bbcode($info['event'], $info['allowsmilies']));

	if (!$info['recurring'] AND !$info['singleday'])
	{
		$daystamp = gmmktime(0, 0, 0, $month, $day, $year);
		$eventfirstday = gmmktime(0, 0, 0, gmdate('n', $info['dateline_from_user']), gmdate('j', $info['dateline_from_user']), gmdate('Y', $info['dateline_from_user']));
		$eventlastday = gmmktime(0, 0, 0, gmdate('n', $info['dateline_to_user']), gmdate('j', $info['dateline_to_user']), gmdate('Y', $info['dateline_to_user']));
		if ($info['dateline_from'] == $daystamp)
		{
			if ($eventfirstday == $daystamp)
			{
				if ($eventfirstday != $eventlastday)
				{
					if (vbdate('g:ia', $info['dateline_from_user'], false, false) == '12:00am')
					{
						$allday = true;
					}
					else
					{
						$time2 = vbgmdate($vbulletin->options['timeformat'], gmmktime(0, 0, 0, $month, $day, $year));
					}
				}
			}
		}
		else if ($eventlastday == $daystamp)
		{
			$time1 = gmdate($vbulletin->options['timeformat'], gmmktime(0, 0, 0, $month, $day, $year));
			$time1 = vbgmdate($vbulletin->options['timeformat'], gmmktime(0, 0, 0, $month, $day, $year));
		}
		else // A day in the middle of a multi-day event so event covers 24 hours
		{
			$allday = true; // Used in conditional
		}
	}

	if ($info['holidayid'])
	{
		$eventdate = vbgmdate($vbulletin->options['dateformat'], gmmktime(0, 0, 0, $month, $day, $year));
	}
	else if ($info['singleday'])
	{
		$eventdate = vbgmdate($vbulletin->options['dateformat'], $info['dateline_from']);
	}
	else
	{
		$date1 = vbgmdate($vbulletin->options['dateformat'], $info['dateline_from_user']);
		$date2 = vbgmdate($vbulletin->options['dateformat'], $info['dateline_to_user']);
		$time1 = vbgmdate($vbulletin->options['timeformat'], $info['dateline_from_user']);
		$time2 = vbgmdate($vbulletin->options['timeformat'], $info['dateline_to_user']);
		if ($info['recurring'])
		{
			$recurcriteria = fetch_event_criteria($info);
			$show['recuroption'] = true;
		}
		else
		{
			$show['daterange'] = iif($date1 != $date2, true, false);
			$eventdate = vbgmdate($vbulletin->options['dateformat'], $info['dateline_from_user']);
		}
	}

	return $info;
}

// ##################### Start cache_events_day #######################
function cache_events_day($month, $day, $year)
{
	global $eventcache, $vbulletin;

	$eventarray = array();

	if (!empty($eventcache['holiday1']))
	{
		if (!empty($eventcache['holiday1']["$month|$day"]))
		{
			foreach($eventcache['holiday1']["$month|$day"] AS $index => $event)
			{
				$eventarray[] =& $eventcache['holiday1']["$month|$day"]["$index"];
			}
		}
	}

	if (!empty($eventcache['holiday2']))
	{
		$dayofweek = gmdate('w', gmmktime(0, 0, 0, $month, $day, $year)) + 1;
		if (!empty($eventcache['holiday2']["$dayofweek|$month"]))
		{
			foreach($eventcache['holiday2']["$dayofweek|$month"] AS $index => $event)
			{
				if (cache_event_info($event, $month, $day, $year))
				{
					$eventarray[] =& $eventcache['holiday2']["$dayofweek|$month"]["$index"];
				}
			}
		}
	}

	if (!empty($eventcache['singleday']))
	{
		// Check for single day events occuring on this date
		$dateline_from = gmmktime(0, 0, 0, $month, $day, $year);

		if (!empty($eventcache['singleday']["$dateline_from"]))
		{
			foreach($eventcache['singleday']["$dateline_from"] AS $index => $event)
			{
				$eventarray[] =& $eventcache['singleday']["$dateline_from"]["$index"];
			}
		}
	}

	if (!empty($eventcache['ranged']))
	{
		// Check for ranged events ocurring on this date
		$todaystart = gmmktime(0, 0, 0, $month, $day, $year);

		if (!empty($eventcache['ranged']["$todaystart"]))
		{
			foreach($eventcache['ranged']["$todaystart"] AS $index => $event)
			{
				$eventarray[] =& $eventcache['ranged']["$todaystart"]["$index"];
			}
		}
	}

	if (!empty($eventcache['recurring']))
	{
		foreach ($eventcache['recurring'] AS $index => $event)
		{
			if (cache_event_info($event, $month, $day, $year))
			{
				$eventarray[] =& $eventcache['recurring']["$index"];
			}
		}
	}

	$sortarray = array();
	$finalarray = array();
	foreach($eventarray AS $key => $event)
	{
		if (!$event['singleday'] AND !$event['recurring'] AND $event['dateline_from_user'] < gmmktime(0, 0, 0, $month, $day, $year))
		{
			$sortarray["$key"] = -3;
		}
		else if ($event['holidayid'])
		{
			$sortarray["$key"] = -2;
		}
		else if ($event['singleday'])
		{
			$sortarray["$key"] = -1;
		}
		else
		{
			$sortarray["$key"] = $event['dateline_from_user'] - (86400 * (intval($event['dateline_from_user'] / 86400)));
		}
	}
	asort($sortarray);
	foreach($sortarray AS $key => $time)
	{
		$finalarray[] =& $eventarray["$key"];
	}

	return $finalarray;
}

// ###################### Start getcalendarbits #######################
function construct_calendar_output($today, $usertoday, $calendarinfo, $fullcalendar = 0,
		$weekrange = '', $thismonth_only = false)
{
	global $birthdaycache, $eventcache, $vbulletin, $vbphrase, $show, $colspan, $days, $months;

	$calendarid = $calendarinfo['calendarid'];
	$month = $usertoday['month'];
	$year = $usertoday['year'];

	$calendardaybits = '';
	$calendarweekbits = '';

	if ($calendarinfo['showweekends'])
	{
		$weeklength = 7;
		$colspan = 8;
		$daywidth = '14%';
		$linkwidth = '2%';
	}
	else
	{
		$weeklength = 5;
		$colspan = 6;
		$daywidth = '19%';
		$linkwidth = '5%';
	}

	// set up the controls for this month
	$displaymonth['starttime'] = gmmktime(12, 0, 0, $month, 1, $year);
	$displaymonth['numdays'] = gmdate('t', $displaymonth['starttime']);
	$displaymonth['month'] = gmdate('n', $displaymonth['starttime']);
	$displaymonth['year'] = gmdate('Y', $displaymonth['starttime']);
	$todaylink = "$today[year]-$today[mon]-$today[mday]";
	// get an array of days starting with the user's chosen week start
	static $userweek;
	if (!is_array($userweek))
	{
		$userweek = array();
		$curday = $vbulletin->userinfo['startofweek'];
		while (sizeof($userweek) < $weeklength)
		{
			if (!$calendarinfo['showweekends'] AND ($curday == 1 OR $curday == 7))
			{
				$curday++;
			}
			else
			{
				$userweek[] = $curday++;
			}
			if ($curday > 7)
			{
				$curday = 1;
			}
		}
	}

	// wind back the start day so we have the days preceeding the current month that will be displayed
	$startday = 1;
	while ($null++ < 31)
	{
		if ((gmdate('w', gmmktime(0, 0, 0, $displaymonth['month'], $startday, $displaymonth['year'])) + 1) == $userweek[0])
		{
			break;
		}
		else
		{
			$startday--;
		}
	}

	if ($fullcalendar)
	{
		$template = array(
			'day'       => 'calendar_monthly_day',
			'day_other' => 'calendar_monthly_day_other',
			'week'      => 'calendar_monthly_week',
			'header'    => 'calendar_monthly_header'
		);
	}
	else
	{
		if ($startday == 1 AND $show['yearlyview'])
		{
			// wind back the start day by a week so we always end up with 6 rows for neatness
			$startday -= 7;
		}
		$template = array(
			'day'       => 'calendar_smallmonth_day',
			'day_other' => 'calendar_smallmonth_day_other',
			'week'      => 'calendar_smallmonth_week',
			'header'    => 'calendar_smallmonth_header'
		);
	}

	// fetch special holiday events
	$eastercache = fetch_easter_array($usertoday['year']);

	// set up which days will be shown
	for ($i = 0; $i < 7; $i++)
	{
		$dayvarname = 'day' . ($i + 1);
		if ($userweek["$i"])
		{
			${$dayvarname} = array(
				'full'  => $vbphrase[ $days [ $userweek[$i] ] ],
				'short' => $vbphrase[ $days[ $userweek[$i] ] . '_short']
			);
			$show["$dayvarname"] = true;
		}
		else
		{
			$show["$dayvarname"] = false;
		}
	}


	// now start creating the week rows
	$rows = 0;
	while (++$rows <= 6)
	{
		if (!$show['yearlyview'] AND $startday > $displaymonth['numdays'])
		{
			break;
		}

		// run through the user's week days
		$calendardaybits = '';
		$showholiday = false;
		foreach ($userweek AS $daycount => $curday)
		{

			$datestamp = gmmktime(0, 0, 0, $displaymonth['month'], $startday++, $displaymonth['year']);
			$dayname = $vbphrase["$days[$curday]_abbr"];
			$year = gmdate('Y', $datestamp);
			$month = gmdate('n', $datestamp);
			$day = gmdate('j', $datestamp);
			$daylink = "$year-$month-$day";


			if (!$daycount)
			{
				$firstweek = gmmktime(0, 0, 0, $month, $day, $year);
			}

			// is this day today?
			$show['highlighttoday'] = iif($daylink == $todaylink, true, false);

			// is this day in our desired month?
			if ($month != $displaymonth['month'])
			{
				$daytemplatename =& $template['day_other'];
			}
			else
			{
				$daytemplatename =& $template['day'];

				// is this day in our desired week?
				if (!$fullcalendar)
				{
					if (is_array($weekrange) AND $datestamp >= $weekrange['start'] AND $datestamp <= $weekrange['end'])
					{
						$show['highlightweek'] = true;
					}
					else
					{
						$show['highlightweek'] = false;
					}
				}

				$show['birthdaylink'] = false;
				$show['daylink'] = false;
				$show['holiday'] = false;
				$showholiday = false;
				$show['eventlink'] = false;
				$userbdays = '';
				$userevents = '';
				$eventdesc = '';
				$eventtotal = 0;

				// get this day's birthdays
				if ($calendarinfo['showbirthdays'] AND $fullcalendar AND !empty($birthdaycache["$month"]["$day"]) AND is_array($birthdaycache["$month"]["$day"]))
				{
					unset($userday);
					unset($age);
					$birthdaydesc = '';
					$bdaycount = 0;
					foreach ($birthdaycache["$month"]["$day"] AS $index => $userinfo)
					{
						$userday = explode('-', $userinfo['birthday']);
						$bdaycount++;
						if ($year > $userday[2] AND $userday[2] != '0000' AND $userinfo['showbirthday'] == 2)
						{
							$age = '(' . ($year - $userday[2]) . ')';
						}
						else
						{
							unset($age);
						}
						$birthdaydesc .= iif($birthdaydesc, ', ') . $userinfo['username'];
						$templater = vB_Template::create('calendar_monthly_birthday');
							$templater->register('age', $age);
							$templater->register('userinfo', $userinfo);
						$userbdays .= $templater->render();
					}
					if ($bdaycount > $calendarinfo['birthdaycount'])
					{
						$show['birthdaylink'] = true;
					}
				}

				// get this day's holidays
				if (!empty($eastercache["$month-$day-$year"]))
				{
					$eventtotal++;
					$event['title'] =& $eastercache["$month-$day-$year"]['title'];
					$event['preview'] = htmlspecialchars_uni(fetch_trimmed_title($eastercache["$month-$day-$year"]['event'], 300));
					$show['daylink'] = true;

					$eventdesc .= iif($eventdesc, "\r\n") .	$event['title'];
					if ($fullcalendar)
					{
						$show['holiday'] = true;
						$showholiday = true;

						($hook = vBulletinHook::fetch_hook('calendar_displaymonth_event')) ? eval($hook) : false;

						$templater = vB_Template::create('calendar_monthly_event');
							$templater->register('calendarid', $calendarid);
							$templater->register('day', $day);
							$templater->register('event', $event);
							$templater->register('month', $month);
							$templater->register('year', $year);
						$userevents .= $templater->render();
					}
				}

				// get this day's events
				if (is_array($eventcache))
				{
					$eventarray = cache_events_day($month, $day, $year);

					foreach($eventarray AS $index => $event)
					{
						$eventtotal++;
						$show['daylink'] = true;
						$eventdesc .= iif($eventdesc, "\r\n") .	$event['title'];
						if ($fullcalendar)
						{
							$eventid = $event['eventid'];
							$show['holiday'] = iif($event['holidayid'], true, false);
							if ($show['holiday'])
							{
								$showholiday = true;
							}
							$show['subscribed'] = iif($event['subscribed'], true, false);
							if ($calendarinfo['cutoff'] AND strlen($event['title']) > $calendarinfo['cutoff'] AND !$event['holidayid'])
							{
								$event['title'] = fetch_trimmed_title($event['title'], $calendarinfo['cutoff']);
							}

							($hook = vBulletinHook::fetch_hook('calendar_displaymonth_event')) ? eval($hook) : false;

							$templater = vB_Template::create('calendar_monthly_event');
								$templater->register('calendarid', $calendarid);
								$templater->register('day', $day);
								$templater->register('event', $event);
								$templater->register('month', $month);
								$templater->register('year', $year);
							$userevents .= $templater->render();
						}
					}
					if ($eventtotal > $calendarinfo['eventcount'])
					{
						$show['eventlink'] = true;
					}
				}
			}

			$show['holiday'] = $showholiday;
			$show['weeklink'] = ($daycount == 0);
			($hook = vBulletinHook::fetch_hook('calendar_displaymonth_daybit')) ? eval($hook) : false;

			if (empty($otherday))
			{
				$otherday = '';
			}

			if (empty($otherdayname))
			{
				$otherdayname = '';
			}

			//Hide this if set to only show links for this month
			if ($thismonth_only AND ($month !=  $usertoday['month']))
			{
				$show['daylink'] = false;
				$daytemplatename = $template['day'];
			}

			$templater = vB_Template::create($daytemplatename);
				$templater->register('bdaycount', $bdaycount);
				$templater->register('birthdaydesc', $birthdaydesc);
				$templater->register('calendarid', $calendarid);
				$templater->register('day', $day);
				$templater->register('dayname', $dayname);
				$templater->register('daywidth', $daywidth);
				$templater->register('eventdesc', $eventdesc);
				$templater->register('eventtotal', $eventtotal);
				$templater->register('month', $month);
				$templater->register('otherday', $otherday);
				$templater->register('otherdayname', $otherdayname);
				$templater->register('userbdays', $userbdays);
				$templater->register('userevents', $userevents);
				$templater->register('year', $year);
				$templater->register('firstweek', $firstweek);
			$calendardaybits .= $templater->render();

			// if no weekends, bump on the counter to compensate
			if (!$calendarinfo['showweekends'] AND $daycount >= 4)
			{
				$startday += 2;
			}
		}

		($hook = vBulletinHook::fetch_hook('calendar_displaymonth_weekbit')) ? eval($hook) : false;

		if (empty($calendarrowbits))
		{
			$calendarrowbits = '';
		}

		$templater = vB_Template::create($template['week']);
			$templater->register('calendardaybits', $calendardaybits);
			$templater->register('calendarid', $calendarid);
			$templater->register('firstweek', $firstweek);
			$templater->register('linkwidth', $linkwidth);
			$templater->register('month', $month);
		$calendarrowbits .= $templater->render();
	}

	$year = $displaymonth['year'];
	$month = $displaymonth['month'];
	$monthname = $vbphrase["$months[$month]"];

	($hook = vBulletinHook::fetch_hook('calendar_displaymonth_month')) ? eval($hook) : false;

	$templater = vB_Template::create($template['header']);
		$templater->register('calendarid', $calendarid);
		$templater->register('calendarrowbits', $calendarrowbits);
		$templater->register('colspan', $colspan);
		$templater->register('day1', $day1);
		$templater->register('day2', $day2);
		$templater->register('day3', $day3);
		$templater->register('day4', $day4);
		$templater->register('day5', $day5);
		$templater->register('day6', $day6);
		$templater->register('day7', $day7);
		$templater->register('month', $month);
		$templater->register('monthname', $monthname);
		$templater->register('year', $year);
	return $templater->render();
}

// ###################### Start iscalmoderator #######################
function can_moderate_calendar($calendarid = 0, $do = '', $userid = -1)
{
	global $vbulletin, $cmodcache;

	if ($userid == -1)
	{
		$userid = $vbulletin->userinfo['userid'];
	}

	if ($vbulletin->userinfo['permissions']['adminpermissions'] & $vbulletin->bf_ugp_adminpermissions['ismoderator'])
	{
		DEVDEBUG('  USER IS A SUPER MODERATOR');
		return true;
	}

	cache_calendar_moderators();

	if ($calendarid == 0)
	{ // just check to see if the user is a moderator of any calendar

		DEVDEBUG('looping through cmodcache to find userid $userid');
		$ismod = 0;
		foreach($cmodcache AS $calendarmods)
		{
			if (!empty($calendarmods["$userid"]))
			{
				$ismod = 1;
				break;
			}
		}
		return $ismod;

	}
	else
	{ // check to see if user is a moderator of specific calendar

		$getmodperms = intval($cmodcache["$calendarid"]["$userid"]['permissions']);

		if (empty($do) AND $getmodperms)
		{
			return true;
		}
		else
		{ // check if user is a mod and has permissions to '$do'
			if ($getmodperms & $vbulletin->bf_misc_calmoderatorpermissions["$do"])
			{
				return true;
			}
			else
			{
				return false;
			}  // if has perms for this action
		}// if is mod for calendar and no action set
	} // if calendarid=0
}

// ###################### Start getcmodcache #######################
function cache_calendar_moderators()
{
	global $vbulletin, $cmodcache, $calmod;

	if (!is_array($cmodcache))
	{
		$cmodcache = array();
		$mod = array();
		$calmoderators = $vbulletin->db->query_read_slave("
			SELECT calendarmoderator.*, user.username
			FROM " . TABLE_PREFIX . "calendarmoderator AS calendarmoderator
			INNER JOIN " . TABLE_PREFIX . "user AS user USING(userid)
		");
		while ($moderator = $vbulletin->db->fetch_array($calmoderators))
		{
			$cmodcache["$moderator[calendarid]"]["$moderator[userid]"] = $moderator;
			$calmod["$moderator[userid]"] = 1;
		}
		$vbulletin->db->free_result($calmoderators);
	} // else we have already called cache_calendar_moderators()
}

// ###################### Start cacheevents #######################
function cache_events($range)
{

	global $vbulletin, $calendarinfo, $vbphrase, $serveroffset;

	$numdays = date('j', mktime(0, 0, 0, $range['nextmonth'] + 1, 1, $range['nextyear']) - 1);

	$beginday = gmmktime(0, 0, 0, $range['frommonth'], 1, $range['fromyear']) + (-12 * 3600);
	$endday = gmmktime(24, 0, 0, $range['nextmonth'], $numdays, $range['nextyear']) + (12 * 3600);

	$event = array();
	$eventids = array();

	if ($calendarinfo['showholidays'])
	{
		// Holidays show across all calendars that a user has access to.
		$holidays = $vbulletin->db->query_read_slave("
			SELECT *
			FROM " . TABLE_PREFIX . "holiday
		");

		if ($vbulletin->db->num_rows($holidays))
		{
			while ($ev = $vbulletin->db->fetch_array($holidays))
			{
				$ev['visible'] = 1;
				$ev['title'] =& $vbphrase['holiday' . $ev['holidayid'] . '_title'];
				$ev['event'] =& $vbphrase['holiday' . $ev['holidayid'] . '_desc'];
				$ev['preview'] = strip_quotes($ev['event']);
				$ev['preview'] = htmlspecialchars_uni(strip_bbcode(fetch_trimmed_title($ev['preview'], 300), false, true));

				if ($ev['recurring'] == 6)
				{
					$event['holiday1']["$ev[recuroption]"][] = $ev;
				}
				else
				{
					$ev['dateline_from'] = $beginday;
					$ev['dateline_to'] = $endday;
					$offset = intval($vbulletin->userinfo['timezoneoffset'] ? $vbulletin->userinfo['tzoffset'] : $vbulletin->userinfo['timezoneoffset']);
					$ev['dateline_from_user'] = $ev['dateline_from'] + $offset * 3600;
					$ev['dateline_to_user'] = $ev['dateline_to'] + $offset * 3600;
					$recuroption = substr($ev['recuroption'], 2);
					$event['holiday2']["$recuroption"][] = $ev;
				}
			}
		}
	}

	require_once(DIR . '/includes/functions_user.php');
	$events = $vbulletin->db->query_read_slave("
		SELECT event.*,
		user.username, IF(user.displaygroupid = 0, user.usergroupid, user.displaygroupid) AS displaygroupid,
		user.adminoptions, user.usergroupid, user.usertitle, user.membergroupids, user.infractiongroupids, IF(options & " . $vbulletin->bf_misc_useroptions['hasaccessmask'] . ", 1, 0) AS hasaccessmask,
		IF(dateline_to = 0, 1, 0) AS singleday
		" . iif($vbulletin->userinfo['userid'], ", subscribeevent.eventid AS subscribed") . "
		" . ($vbulletin->options['avatarenabled'] ?
			",avatar.avatarpath, NOT ISNULL(customavatar.userid) AS hascustomavatar, customavatar.dateline AS avatardateline,
				customavatar.width AS avwidth,customavatar.height AS avheight, customavatar.width_thumb AS avwidth_thumb, user.avatarrevision,
				customavatar.height_thumb AS avheight_thumb, customavatar.filedata_thumb, NOT ISNULL(customavatar.userid) AS hascustom" :
			"") . "
		FROM " . TABLE_PREFIX . "event AS event
		LEFT JOIN " . TABLE_PREFIX . "user AS user ON (user.userid = event.userid)
		" . iif($vbulletin->userinfo['userid'], "LEFT JOIN " . TABLE_PREFIX . "subscribeevent AS subscribeevent ON (subscribeevent.eventid = event.eventid AND subscribeevent.userid = " . $vbulletin->userinfo['userid'] . ")") . "
		" . ($vbulletin->options['avatarenabled'] ? "LEFT JOIN " . TABLE_PREFIX . "avatar AS avatar ON(avatar.avatarid = user.avatarid) LEFT JOIN " . TABLE_PREFIX . "customavatar AS customavatar ON(customavatar.userid = user.userid)" : "") . "
		WHERE calendarid = $calendarinfo[calendarid] AND
			((dateline_to >= $beginday AND dateline_from < $endday) OR (dateline_to = 0 AND dateline_from >= $beginday AND dateline_from <= $endday ))	AND
			event.visible = 1
		ORDER BY dateline_from
	");
	// Cache Events
	if ($vbulletin->db->num_rows($events))
	{
		while ($ev = $vbulletin->db->fetch_array($events))
		{
			if ($ev['userid'] != $vbulletin->userinfo['userid'] AND !($vbulletin->userinfo['calendarpermissions']["$calendarinfo[calendarid]"] & $vbulletin->bf_ugp_calendarpermissions['canviewothersevent']))
			{
				continue;
			}

			$ev = array_merge($ev, convert_bits_to_array($ev['options'], $vbulletin->bf_misc_useroptions));
			$ev  = array_merge($ev, convert_bits_to_array($ev['adminoptions'], $vbulletin->bf_misc_adminoptions));
			cache_permissions($ev, false);
			fetch_avatar_from_userinfo($ev, true);

			$ev['preview'] = strip_quotes($ev['event']);
			$ev['preview'] = htmlspecialchars_uni(strip_bbcode(fetch_trimmed_title($ev['preview'], 300), false, true));

			$offset = intval($ev['dst'] ? $vbulletin->userinfo['timezoneoffset'] : $vbulletin->userinfo['tzoffset']);
			$ev['dateline_from_user'] = $ev['dateline_from'] + $offset * 3600;
			$ev['dateline_to_user'] = $ev['dateline_to'] + $offset * 3600;
			fetch_musername($ev);

			if (!$ev['recurring'])
			{
				if ($ev['singleday'])
				{
					$event['singleday']["$ev[dateline_from]"][] = $ev;
				}
				else
				{
					$found = false;
					$date = explode('-', gmdate('n-j-Y', $ev['dateline_from_user']));
					$beginday = gmmktime(0, 0, 0, $date[0], $date[1], $date[2]);

					while ($beginday <= $ev['dateline_to_user'])
					{
						if (!$found)
						{
							$event['ranged']["$beginday"][] = $ev;
							$count = count($event['ranged']["$beginday"]) - 1;
							$tempevent =& $event['ranged']["$beginday"]["$count"];
							$found = true;
						}
						else
						{
							// if event ends at the start of the day, don't display it for that day
							if ($ev['dateline_to_user'] != $beginday)
							{
								$event['ranged']["$beginday"][] =& $tempevent;
							}
						}
						$beginday += 86400;
					}
				}
			}
			else
			{
				$event['recurring'][] = $ev;
			}
		}
	}

	return $event;
}

// ###################### Start cachebirthdays #######################
function cache_birthdays($weekly = 0)
{
	global $doublemonth, $vbulletin, $calendarinfo, $doublemonth1, $doublemonth2;

	$birthday = array();

	if ($calendarinfo['showbirthdays'])
	{
		// Load the birthdays for this month:
		$ids = '0';
		foreach($vbulletin->usergroupcache AS $usergroupid => $usergroup)
		{
			if ($usergroup['genericoptions'] & $vbulletin->bf_ugp_genericoptions['showbirthday'])
			{
				$ids .= ",$usergroupid";
			}
		}

		if (!$weekly)
		{ // cache birthdays for a single month
			$birthdays = $vbulletin->db->query_read_slave("
				SELECT birthday, username, userid, showbirthday
				FROM " . TABLE_PREFIX . "user
				WHERE birthday LIKE '$doublemonth-%' AND
					usergroupid IN ($ids) AND
					showbirthday IN (2, 3)
			");
		}
		else
		{ // cache for two months!
			$birthdays = $vbulletin->db->query_read_slave("
				SELECT birthday, username, userid, showbirthday
				FROM " . TABLE_PREFIX . "user
				WHERE (birthday LIKE '$doublemonth1-%' OR
					birthday LIKE '$doublemonth2-%') AND
					usergroupid IN ($ids) AND
					showbirthday IN (2,3)
			");
		}

		// Cache Birthdays
		if ($vbulletin->db->num_rows($birthdays))
		{
			$birthday = array();
			while ($bday = $vbulletin->db->fetch_array($birthdays))
			{
				$userday = explode('-', $bday['birthday']);
				$month = intval($userday[0]);
				$day = intval($userday[1]);
				$birthday["$month"]["$day"][] = $bday;
			}
		}
	}

	return $birthday;

}

// ###################### Start makecalendarjump #######################
function construct_calendar_jump($currentcalendarid, $month, $year)
{
	global $calendarcache, $vbulletin, $gobutton, $today, $vbphrase, $calendarinfo, $monthselected;

	$jumpcalendarbits = '';
	foreach ($calendarcache AS $calendarid => $title)
	{

		$calendarperms = $vbulletin->userinfo['calendarpermissions']["$calendarid"];
		if (!($calendarperms & $vbulletin->bf_ugp_calendarpermissions['canviewcalendar']))
		{
			continue;
		}

		$templater = vB_Template::create('calendarjumpbit');
			$templater->register('calendarid', $calendarid);
			$templater->register('calendartitle', $title);
		$jumpcalendarbits .= $templater->render();
	}

	$templater = vB_Template::create('calendarjump');
		$templater->register('calendarinfo', $calendarinfo);
		$templater->register('jumpcalendarbits', $jumpcalendarbits);
	$calendarjump = $templater->render();

	if (empty($week))
	{
		$week = '';
	}

	return $calendarjump;
}

// ###################### Start getfirstday #######################
function fetch_first_day($daynum = 1, $fullcalendar, $showweekends)
{
	global $vbphrase, $vbulletin;

	if ($daynum > 7)
	{
		$daynum = $daynum - 7;
	}

	if (!$fullcalendar)
	{
		$header = '_short';
	}

	switch ($daynum)
	{
		case 1:
			if (!$showweekends)
			{
				return -1;
			}
			else
			{
				return $vbphrase['sunday' . $header];
			}
		case 2:
			return $vbphrase['monday' . $header];
		case 3:
			return $vbphrase['tuesday' . $header];
		case 4:
			return $vbphrase['wednesday' . $header];
		case 5:
			return $vbphrase['thursday' . $header];
		case 6:
			return $vbphrase['friday' . $header];
		case 7:
			if (!$showweekends)
			{
				return -1;
			}
			else
			{
				return $vbphrase['saturday' . $header];
			}
	}
}

// ###################### Start subtractdays #######################
function fetch_subtract_days($offset = 0, $dateVal)
{
	// Takes number of days to subtract and the date to subtract from
	// Returns an array containing month/day/year

	return explode('-', gmdate('n-j-Y', $dateVal - 86400 * $offset));
}

// ###################### Start adddays #######################
function fetch_add_days($offset = 0, $dateVal)
{
	// Takes number of days to add and the date to add from
	// Returns an array containing month/day/year

	return explode('-', gmdate('n-j-Y', $dateVal + 86400 * $offset));
}

// ###################### Start easter #######################
function fetch_easter_array($year)
{
	global $vbphrase, $calendarinfo, $_CALENDARHOLIDAYS;

	global $eastercache;

	if ($eastercache)
	{
		return $eastercache;
	}

	// Calculates day that easter and it's accompanying holidays fall on.
	$goldennum = ($year % 19) + 1;
	$century = intval($year / 100) + 1;
	$leapcent = intval(3 * $century / 4) - 12;
	$lunarcorr = intval((8 * $century + 5) / 25) - 5;
	$sundaycorr = intval(5 * $year / 4) - $leapcent - 10;
	$epact = abs(11 * $goldennum + 20 + $lunarcorr - $leapcent) % 30;

	if (($epact == 25 AND $goldennum > 11) OR ($epact == 24))
	{
		 $epact++;
	}

	$fullmoon = 44 - $epact;

	if ($fullmoon < 21)
	{
			$fullmoon = $fullmoon + 30;
	}

	$day = $fullmoon + 7 - (($sundaycorr + $fullmoon) % 7);

	if ($day > 31)
	{
		$day = $day - 31;
		$month = 4;
	}
	else
	{
		$month = 3;
	}

	$easterStamp = gmmktime(12, 0, 0, $month, $day, $year);

	$eastercache = array();
	foreach($_CALENDARHOLIDAYS AS $holiday => $value)
	{
		if ($calendarinfo["$holiday"])
		{
			unset($count);
			switch($holiday)
			{
				case 'easter':
					$count = 0;
					break;
				case 'good_friday':
					$count = -2;
					break;
				case 'palm_sunday':
					$count = -7;
					break;
				case 'ash_wednesday':
					$count = -46;
					break;
				case 'pentecost':
					$count = 49;
					break;
				case 'mardi_gras':
					$count = -47;
					break;
				case 'corpus_christi':
					$count = 60;
					break;
			}

			if (isset($count))
			{
				$date = implode('-', fetch_add_days($count, $easterStamp));
				$desc = $holiday . '_desc';
				$eastercache["$date"] = array(
					'title' => &$vbphrase["$holiday"],
					'event' => &$vbphrase["$desc"]
				);
			}
		}
	}

	return $eastercache;
}

// ###################### Start calcodeparse #######################
function parse_calendar_bbcode($bbcode, $smilies = true)
{
	global $calendarinfo, $vbulletin;

	require_once(DIR . '/includes/class_bbcode.php');
	$bbcode_parser = new vB_BbCodeParser($vbulletin, fetch_tag_list());

	$bbcode = $bbcode_parser->parse($bbcode, 'calendar', $smilies);

	return $bbcode;
}

// ###################### Start geteventcriteria #######################
function fetch_event_criteria($option)
{
	global $vbphrase, $months, $days, $period;

	$options = explode('|', $option['recuroption']);

	if ($option['recurring'] == 1)
	{ // Recurring Daily Event
		$desc = construct_phrase($vbphrase['this_event_occurs_every_x_days'], $options[0]);
	}
	else if ($option['recurring'] == 2)
	{ // Every Weekday
		$desc = $vbphrase['this_event_occurs_every_weekday'];
	}
	else if ($option['recurring'] == 3)
	{ // Weekly Recurring Event
		if ($options[1] & 1)
		{ // Sunday
			$seldays = $vbphrase['sunday'];
		}
		if ($options[1] & 2)
		{ // Monday
			if ($seldays)
			{
				$seldays .= ", $vbphrase[monday]";
			}
			else
			{
				$seldays = $vbphrase['monday'];
			}
		}
		if ($options[1] & 4)
		{ // Tuesday
			if ($seldays)
			{
				$seldays .= ", $vbphrase[tuesday]";
			}
			else
			{
				$seldays = $vbphrase['tuesday'];
			}
		}
		if ($options[1] & 8)
		{ // Wednesday
			if ($seldays)
			{
				$seldays .= ", $vbphrase[wednesday]";
			}
			else
			{
				$seldays = $vbphrase['wednesday'];
			}
		}
		if ($options[1] & 16)
		{ // Thursday
			if ($seldays)
			{
				$seldays .= ", $vbphrase[thursday]";
			}
			else
			{
				$seldays = $vbphrase['thursday'];
			}
		}
		if ($options[1] & 32)
		{ // Friday
			if ($seldays)
			{
				$seldays .= ", $vbphrase[friday]";
			}
			else
			{
				$seldays = $vbphrase['friday'];
			}
		}
		if ($options[1] & 64)
		{ // Saturday
			if ($seldays)
			{
				$seldays .= ", $vbphrase[saturday]";
			}
			else
			{
				$seldays = $vbphrase[saturday];
			}
		}
		$desc = construct_phrase($vbphrase['this_event_occurs_every_x_weeks_on_y'], $options[0], $seldays);
	}
	else if ($option['recurring'] == 4)
	{ // Monthly Event
		$desc = construct_phrase($vbphrase['this_event_occurs_on_day_x_of_every_y_months'], $options[0], $options[1]);
	}
	else if ($option['recurring'] == 5)
	{ // Monthly Event
		$desc = construct_phrase($vbphrase['this_event_occurs_on_the_x_y_of_every_z_months'], $vbphrase["{$period["$options[0]"]}"], $vbphrase["{$days["$options[1]"]}"], $options[2]);
	}
	else if ($option['recurring'] == 6)
	{ // Yearly Event
		$desc = construct_phrase($vbphrase['this_event_occurs_every_x_y'], $vbphrase["{$months["$options[0]"]}"], $options[1]);
	}
	else if ($option['recurring'] == 7)
	{ // Yearly Event
		$desc = construct_phrase($vbphrase['this_event_occurs_on_every_x_y_of_z'], $vbphrase["{$period["$options[0]"]}"], $vbphrase["{$days["$options[1]"]}"], $vbphrase["{$months["$options[2]"]}"]);
	}
	return $desc;
}

// ###################### Start getevent #######################
function cache_event_info(&$event, $month, $day, $year, $adjust = 1, $cache = true)
{
	static $foundday, $foundevent, $foundholiday, $e;

	global $vbulletin;

	$eventid = $event['eventid'];

	if (isset($event['holidayid']) AND $event['holidayid'] AND $foundholiday["$month-$day-$year"]["$event[holidayid]"] AND $cache)
	{
		return true;
	}
	else if ($eventid AND $foundevent["$month-$day-$year"]["$eventid"] AND $cache)
	{
		return true;
	}

	if ((empty($e["$eventid"]) OR !$cache) AND !$event['singleday'])
	{
		$e["$eventid"]['startday'] = gmmktime(0, 0, 0, gmdate('n', $event['dateline_from_user']), gmdate('j', $event['dateline_from_user']), gmdate('Y', $event['dateline_from_user']));
		$e["$eventid"]['startmonth'] = gmmktime(0, 0, 0, gmdate('n', $event['dateline_from_user']), 1, gmdate('Y', $event['dateline_from_user']));
		$e["$eventid"]['endday'] = gmmktime(0, 0, 0, gmdate('n', $event['dateline_to_user']), gmdate('j', $event['dateline_to_user']), gmdate('Y', $event['dateline_to_user']));
	}

	$todaystart = gmmktime(0, 0, 0, $month, $day, $year);
	$todaymid = gmmktime(12, 0, 0, $month, $day, $year);
	$todayend = gmmktime(23, 59, 59, $month, $day, $year);
	$thismonth = gmmktime(0, 0, 0, $month, 1, $year);

	if ($event['singleday'])
	{
		if ("$month-$day-$year" == gmdate('n-j-Y', $event['dateline_from']))
		{
			return true;
		}
	}

	if ($event['dateline_to_user'] < $todaystart OR $event['dateline_from_user'] > $todayend)
	{
		return false;
	}

	if ($event['recurring'])
	{ // this is a recurring event
		if ($event['recurring'] == 1)
		{
			if ($event['recuroption'] == 0 OR ($todaystart - $e["$eventid"]['startday']) % (86400 * $event['recuroption']))
			{
				return false;
			}
			else
			{
				return true;
			}
		}
		else if ($event['recurring'] == 2)
		{
			if (gmdate('w', $event['dateline_from_user']) != gmdate('w', $event['dateline_from'] + ($event['utc'] * 3600)) AND $adjust)
			{
				if ($event['dateline_from_user'] > $event['dateline_from'] + ($event['utc'] * 3600))
				{
					$todaymid -= 86400;
				}
				else
				{
					$todaymid += 86400;
				}
			}

			if (gmdate('w', $todaymid) < 1 OR gmdate('w', $todaymid) > 5)
			{
				return false;
			}
		}
		else if ($event['recurring'] == 3)
		{
			$monthbit = explode('|', $event['recuroption']);
			$weekrep = $monthbit[0];
			if ($weekrep == 0)
			{
				return false;
			}

			$daysfromstart = ($todaystart - $e["$eventid"]['startday']) / 86400;
			$week = intval($daysfromstart / 7);
			if ($week % $weekrep)
			{
				return false;
			}

			if ($monthbit[1] & 1)
			{
				$haveday[0] = 1;
			}
			else
			{
				unset($haveday[1]);
			}
			if ($monthbit[1] & 2)
			{
				$haveday[1] = 1;
			}
			else
			{
				unset($haveday[2]);
			}
			if ($monthbit[1] & 4)
			{
				$haveday[2] = 1;
			}
			else
			{
				unset($haveday[3]);
			}
			if ($monthbit[1] & 8)
			{
				$haveday[3] = 1;
			}
			else
			{
				unset($haveday[4]);
			}
			if ($monthbit[1] & 16)
			{
				$haveday[4] = 1;
			}
			else
			{
				unset($haveday[5]);
			}
			if ($monthbit[1] & 32)
			{
				$haveday[5] = 1;
			}
			else
			{
				unset($haveday[6]);
			}
			if ($monthbit[1] & 64)
			{
				$haveday[6] = 1;
			}
			else
			{
				unset($haveday[7]);
			}

			if (gmdate('w', $event['dateline_from_user']) != gmdate('w', $event['dateline_from'] + ($event['utc'] * 3600)) AND $adjust)
			{
				if ($event['dateline_from_user'] > $event['dateline_from'] + ($event['utc'] * 3600))
				{
					$todaymid -= 86400;
				}
				else
				{
					$todaymid += 86400;
				}
			}

			$dayofweek = gmdate('w', $todaymid);

			if (!$haveday["$dayofweek"])
			{
				return false;
			}
		}
		else if ($event['recurring'] == 4)
		{
			$monthbit = explode('|', $event['recuroption']);
			$monthrep = $monthbit[1];

			if ($monthbit[0] == 0 OR $monthbit[1] == 0)
			{
				return false;
			}

			if (gmdate('w', $event['dateline_from_user']) != gmdate('w', $event['dateline_from'] + ($event['utc'] * 3600)) AND $adjust)
			{
				if ($event['dateline_from_user'] > $event['dateline_from'] + ($event['utc'] * 3600))
				{
					$monthbit[0]++;
					if ($day == 1)
					{
						$todaymid -= 86400;
					}
					if ($monthbit[0] > gmdate('t', $todaymid))
					{
						$monthbit[0] = 1;
					}
				}
				else
				{
					$monthbit[0]--;
					if ($day == gmdate('t', $todaymid))
					{
						$todaymid += 86400;
					}
					if ($monthbit[0] == 0)
					{
						$monthbit[0] = gmdate('t', $todaymid);
					}
				}
			}

			if ($day != $monthbit[0])
			{
				return false;
			}

			if (empty($e["$eventid"]['currentmonth']) OR $e["$eventid"]['currentmonth'] > $thismonth)
			{
				if ($e["$eventid"]['startday'] > gmmktime(0, 0, 0, gmdate('n', $event['dateline_from_user']), $monthbit[0], gmdate('Y', $event['dateline_from_user'])))
				{
					$e["$eventid"]['currentmonth'] =  gmmktime(0, 0, 0, gmdate('n', $event['dateline_from_user']) + 1, 1, gmdate('Y', $event['dateline_from_user']));
				}
				else
				{
					$e["$eventid"]['currentmonth'] = $e["$eventid"]['startmonth'];
				}
			}

			while ($e["$eventid"]['currentmonth'] != $thismonth)
			{
				$e["$eventid"]['currentmonth'] = gmmktime(0, 0, 0, gmdate('n', $e["$eventid"]['currentmonth']) + 1, 1, gmdate('Y', $e["$eventid"]['currentmonth']));
				$e["$eventid"]['monthcount']++;
			}

			if ($e["$eventid"]['monthcount'] % $monthrep)
			{
				return false;
			}
		}
		else if ($event['recurring'] == 5)
		{
			if (gmdate('w', $event['dateline_from_user']) != gmdate('w', $event['dateline_from'] + ($event['utc'] * 3600)) AND $adjust)
			{
				if ($event['dateline_from_user'] > $event['dateline_from'] + ($event['utc'] * 3600))
				{
					$todaystart -= 86400;
				}
				else
				{
					$todaystart += 86400;
				}
			}
			$monthbit = explode('|', $event['recuroption']);
			$monthrep = $monthbit[2];
			$monthday = $monthbit[1];
			$monthweek = $monthbit[0];

			if ($monthrep == 0 OR $monthweek < 1 OR $monthweek > 5 OR $monthday < 1 OR $monthday > 7)
			{
				return false;
			}

			$fromdate = $e["$eventid"]['startday'];
			$todate = $e["$eventid"]['endday'];
			if (!is_array($foundday["$eventid"]))
			{
				while ($fromdate <= $todate)
				{
					$stopday = false;
					$tempday = gmdate('j', $fromdate);
					$whatday = gmdate('w', $fromdate) + 1;
					if ($monthday != $whatday)
					{
						$stopday = true;
					}
					else if ($tempday > ($monthweek * 7) OR $tempday < ($monthweek * 7 - 6))
					{
						$DaysInMonth = gmdate('t', $fromdate);
						if ($monthweek != 5 OR $tempday + 7 <= $DaysInMonth)
						{
							$stopday = true;
						}
					}
					if ($stopday)
					{	// Add one day
						$fromdate += 86400;
					}
					else
					{
						// We found a day this occurs on.
						$foundday["$eventid"]["$fromdate"] = 1;
						// Move to the next month depending on repetition
						$temp = gmdate('n-j-Y', $fromdate);
						$temp = explode('-', $temp);
						$fromdate = gmmktime(0, 0, 0, $temp[0] + $monthrep, 1, $temp[2]);
					}
				}
			}
			if (!$foundday["$eventid"]["$todaystart"])
			{
				return false;
			}
		}
		else if ($event['recurring'] == 6)
		{
			if (empty($event['holidayid']) AND gmdate('w', $event['dateline_from_user']) != gmdate('w', $event['dateline_from'] + ($event['utc'] * 3600)) AND $adjust)
			{
				if ($event['dateline_from_user'] > $event['dateline_from'] + ($event['utc'] * 3600))
				{
					$todaystart -= 86400;
				}
				else
				{
					$todaystart += 86400;
				}
			}
			$monthbit = explode('|', $event['recuroption']);
			if ($monthbit[0] < 1 OR $monthbit[0] > 12 OR $monthbit[1] < 1 OR $monthbit[1] > 31)
			{
				return false;
			}
			if ($todaystart != gmmktime(0, 0, 0, $monthbit[0], $monthbit[1], $year))
			{
				return false;
			}
		}
		else if ($event['recurring'] == 7)
		{
			$monthbit = explode('|', $event['recuroption']);

			if ($monthbit[0] < 1 OR $monthbit[0] > 5 OR $monthbit[1] < 1 OR $monthbit[1] > 7 OR $monthbit[2] < 1 OR $monthbit[2] > 12)
			{
				return false;
			}

			$tempmonth = $month;
			$tempday = $day;

			if (gmdate('w', $event['dateline_from_user']) != gmdate('w', $event['dateline_from'] + ($event['utc'] * 3600)) AND $adjust AND !$event['holidayid'])
			{
				if ($event['dateline_from_user'] < $event['dateline_from'] + ($event['utc'] * 3600))
				{
					$day++;
					if ($day > gmdate('t', $todaymid))
					{
						$day = 1;
						$month++;
						if ($month == 13)
						{
							$month = 1;
						}
					}
					$todaymid += 86400;
				}
				else
				{
					$todaymid -= 86400;
					$day--;
					if ($day == 0)
					{
						$day = gmdate('t', $todaymid);
						$month--;
						if ($month == 0)
						{
							$month = 12;
						}
					}
				}
			}

			$dayofweek = gmdate('w', $todaymid) + 1;

			if ($month != $monthbit[2] OR $dayofweek != $monthbit[1])
			{
				return false;
			}
			else if ($day > ($monthbit[0] * 7) OR $day < ($monthbit[0] * 7 - 6)			)
			{
				// Now check to see if we aren't looking for the 'last' day of a month
				// sometimes that is the 5th day and sometimes the 4th
				$DaysInMonth = gmdate('t', $todaymid);
				if ($monthbit[0] != 5 OR $day + 7 <= $DaysInMonth)
				{
					return false;
				}
			}
			$day = $tempday;
			$month = $tempmonth;
		}

		if ($event['holidayid'])
		{
			$foundholiday["$month-$day-$year"]["$event[holidayid]"] = true;
		}
		else
		{
			$foundevent["$month-$day-$year"]["$eventid"] = true;
		}
		return true;
	}
	else
	{
		$foundevent["$month-$day-$year"]["$eventid"] = true;
		return true;
	}

	return false;
}

// ###################### Start fetch time options #######################
function fetch_time_options($giAH, $use24hour = false)
{
	if ($use24hour)
	{
		$customtime = "$giAH[3]:$giAH[1]";
	}
	else
	{
		$customtime = "$giAH[0]:$giAH[1] $giAH[2]";
	}

	return $customtime;
}

// ###################### Start getevents #######################
function build_events()
{
	global $vbulletin, $vbphrase, $_CALENDAROPTIONS;

	if (!$vbulletin->options['showevents'])
	{
		return false;
	}

	$storeevents = array();

	// Store timestamp 48 hours before the current time and 48 hours after the showevent period
	$beginday = TIMENOW - 172800;
	$endday = TIMENOW + 86400 + 86400 * $vbulletin->options['showevents'];
	$storeevents['date'] = gmdate('n-j-Y' , $endday);

	// check if we have at least one calendar with holidays enabled
	if ($vbulletin->options['showholidays'])
	{
		$holiday_calendarids = array();
		$holiday_calendars = $vbulletin->db->query_read_slave("
			SELECT calendarid
			FROM " . TABLE_PREFIX . "calendar
			WHERE options & " . intval($_CALENDAROPTIONS['showholidays'])
		);
		while ($holiday_calendar = $vbulletin->db->fetch_array($holiday_calendars))
		{
			$holiday_calendarids[] = $holiday_calendar['calendarid'];
		}

		$holidays = $vbulletin->db->query_read_slave("
			SELECT *
			FROM " . TABLE_PREFIX . "holiday
		");
		while ($holiday = $vbulletin->db->fetch_array($holidays))
		{
			$holiday['dateline_from'] = $beginday;
			$holiday['dateline_to'] = $endday;
			$holiday['visible'] = 1;
			$holiday['eventid'] = 'h' . $holiday['holidayid'];
			$holiday['holiday_calendarids'] = $holiday_calendarids;
			$storeevents["$holiday[eventid]"] = $holiday;
		}
	}

	$events = $vbulletin->db->query_read_slave("
		SELECT eventid, userid, event.title, recurring, recuroption, dateline_from, dateline_to, event.calendarid, IF (dateline_to = 0, 1, 0) AS singleday, customfields,
			dateline_from AS dateline_from_user, dateline_to AS dateline_to_user, utc, dst
		FROM " . TABLE_PREFIX . "event AS event
		INNER JOIN " . TABLE_PREFIX . "calendar AS calendar USING (calendarid)
		WHERE ((dateline_to >= $beginday AND dateline_from < $endday) OR (dateline_to = 0 AND dateline_from >= $beginday AND dateline_from <= $endday ))
			AND visible = 1
			AND calendar.options & " . intval($_CALENDAROPTIONS['showupcoming']) . "
		ORDER BY dateline_from
	");

	while ($event = $vbulletin->db->fetch_array($events))
	{
		$storeevents["$event[eventid]"] = $event;
	}

	build_datastore('eventcache', serialize($storeevents), 1);

	return $storeevents;

}

/*======================================================================*\
|| ####################################################################
|| # $Revision: 92140 $
|| # $Date: 2016-12-30 20:26:15 -0800 (Fri, 30 Dec 2016) $
|| ####################################################################
\*======================================================================*/
