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https://www.google.com/search?q=eloquent+enable+query+log

Look for a toSql() method, or Eloquent has a query log you can enable.

Here's one way class PriceCalculator { private $start; private $end; private $price = [ 0 => [ 98, 128], 1 => [ 88, 118], 2 => [ 88, 118], 3 => [ 88, 118], 4 => [ 88, 118], 5 => [ 88, 118], 6 => [ 98, 128] ]; public function __construct ($time1, $time2) { $this->start = new DateTime($time1); $this->end = new DateTime($time2); } public function calculate() { $total = 0; $dp = new DatePeriod($this->start, new DateInterval('PT1M'), $this->end ); foreach ($dp as $min) { $day = $min->format('w'); $peak = '02' <= $min->format('H') && $min->format('H') < '18' ? 0 : 1; $total += $this->price[$day][$peak]/60; } return number_format($total, 2); } } $time1 = "2022-03-12 16:12:00"; $time2 = "2022-03-12 18:31:00"; $instance = new PriceCalculator($time1, $time2); echo $instance->calculate(); // 242.53