extrafun.php
<?php
function
add($n1,$n2, $ch)
{
if($ch==1)
{
$c
= $n1 + $n2;
echo"addition
is: $c";
}
else
if($ch==2)
{
$c
= $n1 - $n2;
echo"subtraction
is: $c";
}
else
if($ch==3)
{
$c
= $n1 * $n2;
echo"multiplication
is: $c";
}
else
if($ch==4)
{
$c
= $n1 / $n2;
echo"Division
is: $c";
}
}
?>
<?php
$n1
= $_POST['a'];
$n2
= $_POST['b'];
$ch
= @$_POST['c'];
include
'extrafun.php';
add($n1,$n2,
$ch=1);
?>
<body>
<form
action="corephpslip3sem3.php" method= "post" >
<table
border="1">
<tr>
<td>Enter
first number :</td>
<td><input
type=text name='a' value="" ></td>
</tr>
<tr>
<td>Enter
second number:</td>
<td><input
type=text name='b' value="" ></td>
</tr>
<tr>
<td>
Operation::</td>
<td><input
type=radio name='c' value='1'>Addition.</td>
<td><input
type=radio name='c' value='2'>Subtraction.</td>
<td><input
type=radio name='c' value='3'>Multiplication.</td>
<td><input
type=radio name='c' value='4'>Division.</td>
</tr>
<tr>
<td><input
type=submit value='ok'> </td>
<td><input
type=reset value='clear'></td>
</tr>
</table>
</form>
</body>
</html>
