yr-forecast/src/Yr/Forecast/Tabular/Time/DiffEntity.php

<?php

namespace App\Yr\Forecast\Tabular\Time;

class DiffEntity implements DiffInterface {

    private $time;
    private $entity;

    public function __construct(Time $t, DiffInterface $d) {
        $this->time = $t;
        $this->entity = $d;
    }

    public function getOccuringTime(): \DateTimeInterface {
        return $time->getFrom();
    }

    public function diff(DiffInterface $d): bool {
        if ($d instanceof get_class($this->entity))
            return $this->entity->diff($d);

        return false;
    }
}