HeaderLimits.php

<?php
namespace App\Service;

class HeaderLimits implements \App\Service\Contract\HeaderLimits{

    private $dayLimit = 0;
    private $currentLimit = 0;
    private $spentLimit = 0;

    function __construct(Array $headers)
    {
        if (!isset($headers['Units'])){
            throw new \Exception('Не найден заголовок с баллами');
        }
        list($this->spentLimit, $this->currentLimit, $this->dayLimit) = explode("/", $headers['Units']);
    }

    function getDayLimit(): int
    {
        return $this->dayLimit;
    }

    function getCurrentLimit(): int
    {
        return $this->currentLimit;
    }

    function getSpentLimit(): int
    {
        return $this->spentLimit;
    }
}