function.php

<?php 	




function sum()
{

	echo "hello i m suppie<br>";

}

sum();
sum();
sum();


function sub ($x,$y)
{

	$z=$x-$y;
	echo $z;

	echo "<br>";
}function mul($x,$y)
{


	$z=$x*$y;
	echo $z;
    echo "<br>";
}function dev($x,$y)
{


	$z=$x/$y;
	echo $z;

	echo "<br>";

}function add($x,$y)
{


	$z=$x+$y;
	echo $z;
     echo "<br>";
}

sub(8,9); 
mul(6,4);
dev(9,3);
add(6,8);





 ?>