<?php

namespace PhpOffice\PhpSpreadsheet\Calculation;

class ExceptionHandler
{
    /**
     * Register errorhandler.
     */
    public function __construct()
    {

<         set_error_handler([Exception::class, 'errorHandlerCallback'], E_ALL);



>         /** @var callable */
>         $callable = [Exception::class, 'errorHandlerCallback'];
>         set_error_handler($callable, E_ALL);


    }

    /**
     * Unregister errorhandler.
     */
    public function __destruct()
    {
        restore_error_handler();
    }
}