Assignment No : 3 Working with Forms

Program 1 : 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.

Answer :

File : distance.html

<!DOCTYPE html> <html lang="en"> <head> <link rel="stylesheet" href="style/style.css"> </head> <body> <div class="container"> <div class="row py-3 " > <div class="col-md-5 form-group py-5 px-5" style="border:2px solid gold"> <form action="distance.php" method="post"> <h4>Calculator To Convert Distances</h4> <input type="number" name="num" class="form-control" placeholder="Enter Distance"><br> <input type="radio" name="ch" id="r" value=1 > Kilometres to Miles <input type="radio" name="ch" id="r" value=2> Miles to Kilometres <br><br> <input type="submit" value="Submit" class="btn btn-success"> <input type="reset" value="Reset" class="btn btn-danger"> </form> </div> </div> </div> </body> </html>

File : distance.php

<?php if(isset($_POST['ch'])){ $a = $_POST['num']; $b = $_POST['ch']; switch($b){ case 1 : { $ans = $a*1.609; echo "<center> <h4>Calculator To Convert Distances</h4>".$ans . " " ."Miles"."</center>"; break; } case 2 : { $ans = $a*0.621371; echo "<center> <h4>Calculator To Convert Distances</h4>".$ans . " " ."KM"."</center>"; break; } } } ?>

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Assignment No : 3 Working with Forms

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