時間計算スクリプト in PHP

稼働時間の計算に使う

code:php

<?php

class HM implements \Stringable {

public function __construct(

private int $h,

private int $m,

) {}

public static function new(int $h, int $m): self

{

return new self($h, $m);

}

public function toMin(): int

{

return $this->h * 60 + $this->m;

}

public function __toString(): string

{

return "{$this->h} h {$this->m} min";

}

}

class Calculator {

public function __construct(

private array $times,

) {}

public function calculate(): HM

{

$minutes = array_sum(array_map(fn (HM $hm) => $hm->toMin(), $this->times));

return HM::new($minutes / 60, $minutes % 60);

}

}

$times = [

HM::new(2, 30),

HM::new(4, 45),

HM::new(0, 45),

HM::new(1, 0),

];

$calculator = new Calculator($times);

$result = $calculator->calculate();

echo (string)$result;