Adding using HTML forms and PHP

2013 年 3 月 6 日4990 

<?php




// Get data from HTML form. 




$addScore1 = $_POST['addScore1'];




$addScore2 = $_POST['addScore2'];




$oldScore1 = $_POST['oldScore1'];




$oldScore2 = $_POST['oldScore2'];









$newScore1 = (int) $oldScore1 + (int) $addScore1;




$newScore2 = (int) $oldScore2 + (int) $addScore2;




?>




<h2>Old Sores</h2>




<p>




<input type="text" value="<?=$oldScore1?>">




<input type="text" value="<?=$oldScore2?>">




</p>




<h2>New Sores</h2>




<p>




<input type="text" value="<?=$newScore1 ?>">




<input type="text" value="<?=$newScore1 ?>">




</p>

Is this what you need?

UPDATE:

Try this code:

Just tested it works as a calculator :) Hope thats what you need.

<?php




// Get data from HTML form. 




$addScore1 = (int) $_POST['addScore1'];




$addScore2 = (int) $_POST['addScore2'];









$oldScore1 = (int) $_POST['newScore1'];




$oldScore2 = (int) $_POST['newScore2'];









$newScore1 = (int) $oldScore1 + (int) $addScore1;




$newScore2 = (int) $oldScore2 + (int) $addScore2;









?>




<html>




    <head>




         <title>Score Add</title>




    </head>









    <body>  




        <form method="post" action="">




        <h2>Old Scores</h2>




        <p>




        <input type="text" value="<?=$oldScore1?>">




        <input type="text" value="<?=$oldScore2?>">




        </p>




        <h2>New Scores</h2>




        <p>




        <input type="text" value="<?=$newScore1 ?>">




        <input type="text" value="<?=$newScore2 ?>">




        </p>




        <h2>Add Scores</h2>




        <p>




        <input type="text" value="">




        <input type="text" value="">




        </p>




        <input type="submit" /> 




        </form>




    </body>




</html>

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