calendar-bundle/src/Resources/contao/classes/Events.php
protected function getAllEvents($arrCalendars, $intStart, $intEnd)
	{
		if (!\is_array($arrCalendars))
		{
			return array();
		}

		$this->arrEvents = array();

		foreach ($arrCalendars as $id)
		{
			// Get the events of the current period
			$objEvents = CalendarEventsModel::findCurrentByPid($id, $intStart, $intEnd);

			if ($objEvents === null)
			{
				continue;
			}

			while ($objEvents->next())
			{
				$this->addEvent($objEvents, $objEvents->startTime, $objEvents->endTime, $intStart, $intEnd, $id);

				// Recurring events
				if ($objEvents->recurring)
				{
					$arrRepeat = StringUtil::deserialize($objEvents->repeatEach);

					if (!\is_array($arrRepeat) || !isset($arrRepeat['unit']) || !isset($arrRepeat['value']) || $arrRepeat['value'] < 1)
					{
						continue;
					}

					$count = 0;
					$intStartTime = $objEvents->startTime;
					$intEndTime = $objEvents->endTime;
					$strtotime = '+ ' . $arrRepeat['value'] . ' ' . $arrRepeat['unit'];

					while ($intEndTime < $intEnd)
					{
						if ($objEvents->recurrences > 0 && $count++ >= $objEvents->recurrences)
						{
							break;
						}

						$intStartTime = strtotime($strtotime, $intStartTime);
						$intEndTime = strtotime($strtotime, $intEndTime);

						// Stop if the upper boundary is reached (see #8445)
						if ($intStartTime === false || $intEndTime === false)
						{
							break;
						}

						// Skip events outside the scope
						if ($intEndTime < $intStart || $intStartTime > $intEnd)
						{
							continue;
						}

						$this->addEvent($objEvents, $intStartTime, $intEndTime, $intStart, $intEnd, $id);
					}
				}
			}
		}

		// Sort the array
		foreach (array_keys($this->arrEvents) as $key)
		{
			ksort($this->arrEvents[$key]);
		}

		// HOOK: modify the result set
		if (isset($GLOBALS['TL_HOOKS']['getAllEvents']) && \is_array($GLOBALS['TL_HOOKS']['getAllEvents']))
		{
			foreach ($GLOBALS['TL_HOOKS']['getAllEvents'] as $callback)
			{
				$this->import($callback[0]);
				$this->arrEvents = $this->{$callback[0]}->{$callback[1]}($this->arrEvents, $arrCalendars, $intStart, $intEnd, $this);
			}
		}

		return $this->arrEvents;
	}
protected function getAllEvents($arrCalendars, $intStart, $intEnd)
	{
		if (!\is_array($arrCalendars))
		{
			return array();
		}

		$this->arrEvents = array();

		foreach ($arrCalendars as $id)
		{
			// Get the events of the current period
			$objEvents = CalendarEventsModel::findCurrentByPid($id, $intStart, $intEnd);

			if ($objEvents === null)
			{
				continue;
			}

			while ($objEvents->next())
			{
				$this->addEvent($objEvents, $objEvents->startTime, $objEvents->endTime, $intStart, $intEnd, $id);

				// Recurring events
				if ($objEvents->recurring)
				{
					$arrRepeat = StringUtil::deserialize($objEvents->repeatEach);

					if (!\is_array($arrRepeat) || !isset($arrRepeat['unit']) || !isset($arrRepeat['value']) || $arrRepeat['value'] < 1)
					{
						continue;
					}

					$count = 0;
					$intStartTime = $objEvents->startTime;
					$intEndTime = $objEvents->endTime;
					$strtotime = '+ ' . $arrRepeat['value'] . ' ' . $arrRepeat['unit'];

					while ($intEndTime < $intEnd)
					{
						if ($objEvents->recurrences > 0 && $count++ >= $objEvents->recurrences)
						{
							break;
						}

						$intStartTime = strtotime($strtotime, $intStartTime);
						$intEndTime = strtotime($strtotime, $intEndTime);

						// Stop if the upper boundary is reached (see #8445)
						if ($intStartTime === false || $intEndTime === false)
						{
							break;
						}

						// Skip events outside the scope
						if ($intEndTime < $intStart || $intStartTime > $intEnd)
						{
							continue;
						}

						$this->addEvent($objEvents, $intStartTime, $intEndTime, $intStart, $intEnd, $id);
					}
				}
			}
		}

		// Sort the array
		foreach (array_keys($this->arrEvents) as $key)
		{
			ksort($this->arrEvents[$key]);
		}

		// HOOK: modify the result set
		if (isset($GLOBALS['TL_HOOKS']['getAllEvents']) && \is_array($GLOBALS['TL_HOOKS']['getAllEvents']))
		{
			foreach ($GLOBALS['TL_HOOKS']['getAllEvents'] as $callback)
			{
				$this->import($callback[0]);
				$this->arrEvents = $this->{$callback[0]}->{$callback[1]}($this->arrEvents, $arrCalendars, $intStart, $intEnd, $this);
			}
		}

		return $this->arrEvents;
	}
Get all events of a certain period

@param array   $arrCalendars
@param integer $intStart
@param integer $intEnd

@return array