<?php


function getSum($first, $second)
{
    $sum = $first+ $second;
    $result = $sum;
    return $sum;
}

function getDif($first, $second)
{

    $dif = $first - $second;
    $result = $dif;
    return $dif;
}

function getProd ($firsr, $second)
{

    $product = $first * $second;
    $result = $product;
    return $product;
}

function getDiv ($first, $second)
{
    $div = $first / $second;
    $result = $div;
    return $div;
}

function getMax ($first, $second)
{
    if($first< $second)
    {
        $max = $second;
    }
    else
    {
        $max = $first;
    }
    $result = $max;
    return $max;
}

function getMin ($first, $second)
{

    if($first < $second)
    {
        $min = $first;
    }
    else
    {
        $min = $second;
    }
    $result = $min;
    return $min;
}
?>