map.php

$formattedList = collect($list)
  ->map(function ($item) {
      return $this->formatTimestamp($item, 'createDate', self::PATTERN_TIME);
  })
  ->map(function ($item) {
      return $this->formatTimestamp($item, 'activeDate', self::PATTERN_DATE);
  })
  ->map(function ($item) {
      return $this->formatNumber($item, self::ACTIVE_AMOUNT);
   })
  ->map(function ($item) {
      return $this->formatNumber($item, self::INACTIVE_AMOUNT);
  })
  ->map(function ($item) {
      return $this->transformZero($item, self::ACTIVE_AMOUNT);
  })
  ->map(function ($item) {
      return $this->transformZero($item, self::INACTIVE_AMOUNT);
  })
  ->toArray();