Implement calculator to convert distances between (both ways) miles and kilometres. One mile is about 1.609 kilometres. User interface (distance.html) has one text-input, two radio-buttons, submit and reset -buttons. Values are posted to PHP-script (distance.php) which calculates the conversions according the user input.
<html>
<body>
<form
action="miles.php" method="get">
<table
border="1">
<tr><td>Enter
Number</td><td><input type="number"
name="num" placeholder="Enter
Distance"></td></tr>
<tr><td>Kilometres
to Miles</td><td><input type="radio"
name="ch" id="r" value=1> </td></tr>
<tr><td>Miles
to Kilometres</td><td><input type="radio" name="ch"
id="r" value=2></td></tr>
<tr><td><input
type="submit" value="Submit"> </td>
<td><input
type="reset" value="Reset"></td></tr>
</table>
</form>
</div>
</div>
</div>
</body>
</html>
<?php
if(isset($_GET['ch'])){
$a
= $_GET['num'];
$choice
= $_GET['ch'];
switch($choice){
case
1 : {
$result
= $a*1.609;
echo
"<center> <b>Calculator
To Convert Distances:-</b>".$result . " "
."Miles"."</center>";
break;
}
case
2 : {
$result
= $a*0.621371;
echo
"<center> <b>Calculator
To Convert Distances:-</b>".$result . " "
."KM"."</center>";
break;
}
}
}
?>
