<?php

$exc = 0;
$oxc = 0;

function divide($divider, $dividend)
{
    if ($divider == 0) {
        throw new InvalidArgumentException("Divide by zero error");
    }

    if ($divider < 0) {
        throw new OutOfRangeException ("Divide is lover then zero");
    }

    return $dividend / $divider;
}

function randomDivide($tryNumber, &$exc, &$oxc)
{


    for ($n = 0; $n < $tryNumber; $n++) {


        try {

            echo divide(rand(-10, 10), mt_rand(0, 20) === 0 ? 0 : 5).'</br>';

        }

        catch (InvalidArgumentException $e) {
            $exc++;
        }

        catch (OutOfRangeException $e) {
            $oxc++;
        }
    }
}

randomDivide(10, $exc, $oxc);

echo "exc: " . $exc . "oxc: " . $oxc;