Escaped Mutant for Mutator "ArrayItemRemoval": --- Original +++ New @@ @@ $startDay = (int) $dayStart; $endDay = empty($dayEnd) ? $dayStart : (int) $dayEnd; for ($i = $startDay; $i <= $endDay; $i++) { - $hoursValue = $openingHours ? [$openingHours] : []; + $hoursValue = $openingHours ? [] : []; $daysArray[self::MONTHS[$monthName] . '-' . sprintf('%02d', $i)] = $hoursValue; } return $daysArray;