testing

ConpherenceTimeUtil.php
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			<?php

			final class ConpherenceTimeUtil {

			public static function getCalendarEventEpochs(
			PhabricatorUser $user,
			$start_day_str = 'Sunday') {

			$objects = self::getStartDateTimeObjects($user, $start_day_str);
			$start_day = $objects['start_day'];
			$end_day = clone $start_day;
			$end_day->modify('+9 days');

			return array(
			'start_epoch' => $start_day->format('U'),
			'end_epoch' => $end_day->format('U'));
			}

			public static function getCalendarWidgetTimestamps(
			PhabricatorUser $user,
			$start_day_str = 'Sunday') {

			$objects = self::getStartDateTimeObjects($user, $start_day_str);
			$start_day = $objects['start_day'];
			$timestamps = array();
			for ($day = 0; $day < 9; $day++) {
			$timestamp = clone $start_day;
			$timestamp->modify(sprintf('+%d days', $day));
			$timestamps[] = $timestamp;
			}
			return array(
			'today' => $objects['today'],
			'epoch_stamps' => $timestamps
			);
			}

			private static function getStartDateTimeObjects(
			PhabricatorUser $user,
			$start_day_str) {
			$timezone = new DateTimeZone($user->getTimezoneIdentifier());

			$today_epoch = PhabricatorTime::parseLocalTime('today', $user);
			$today = new DateTime('@'.$today_epoch);
			$today->setTimeZone($timezone);

			if ($today->format('l') == $start_day_str) {
			$start_day = clone $today;
			} else {
			$start_epoch = PhabricatorTime::parseLocalTime(
			'last '.$start_day_str,
			$user);
			$start_day = new DateTime('@'.$start_epoch);
			$start_day->setTimeZone($timezone);
			}
			return array(
			'today' => $today,
			'start_day' => $start_day);
			}

			}