/** * get string representation of first and last days of the week defined by date/week number * * @param Tinebase_DateTime $_date * @param integer $_weekNumber optional * @return array */ protected function _getFirstAndLastDayOfWeek(Tinebase_DateTime $_date, $_weekNumber = NULL) { $firstDayOfWeek = $this->_getFirstDayOfWeek(); if ($_weekNumber !== NULL) { $_date->setWeek($_weekNumber); } $dayOfWeek = $_date->get('w'); // in some locales sunday is last day of the week -> we need to init dayOfWeek with 7 $dayOfWeek = $firstDayOfWeek == 1 && $dayOfWeek == 0 ? 7 : $dayOfWeek; $_date->sub($dayOfWeek - $firstDayOfWeek, Tinebase_DateTime::MODIFIER_DAY); $firstDay = $_date->toString($this->_dateFormat); $_date->add(6, Tinebase_DateTime::MODIFIER_DAY); $lastDay = $_date->toString($this->_dateFormat); $result = array($firstDay, $lastDay); return $result; }