public function recursionHappensOn($ts) { $this->initDates(); if ($this->ts === null) { return false; } $objTestDate = new sfDate($ts); $objStartDate = new sfDate($this->ts); // Current date is before the recurring event begins. if ($objTestDate->get() < $objStartDate->get()) { return false; } elseif (in_array($objTestDate->date(), $this->exceptions)) { return false; } switch ($this->CustomRecursionType) { // Daily case 1: return $this->DailyInterval ? ($ts - $this->ts) / self::DAY % $this->DailyInterval == 0 : false; break; // Weekly // Weekly case 2: return ($objTestDate->firstDayOfWeek()->get() - $objStartDate->firstDayOfWeek()->get()) / self::WEEK % $this->WeeklyInterval == 0 && in_array($objTestDate->reset()->format('w'), $this->allowedDaysOfWeek); break; // Monthly // Monthly case 3: if (CalendarUtil::differenceInMonths($objTestDate, $objStartDate) % $this->MonthlyInterval == 0) { // A given set of dates in the month e.g. 2 and 15. if ($this->MonthlyRecursionType1 == 1) { return in_array($objTestDate->reset()->format('j'), $this->allowedDaysOfMonth); } elseif ($this->MonthlyRecursionType2 == 1) { // Last day of the month? if ($this->MonthlyIndex == 5) { $targetDate = $objTestDate->addMonth()->firstDayOfMonth()->previousDay($this->MonthlyDayOfWeek)->dump(); } else { $objTestDate->subtractMonth()->finalDayOfMonth(); for ($i = 0; $i < $this->MonthlyIndex; $i++) { $objTestDate->nextDay($this->MonthlyDayOfWeek)->dump(); } $targetDate = $objTestDate->dump(); } return $objTestDate->reset()->dump() == $targetDate; } else { return false; } } else { return false; } } }