calcfunc

<?php
is_numeric($first);
is_numeric($second);

	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;
	}
	?>