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Mickey · 24/02/2009 10:42 PM

PHP Code:

<html>
<head>
<title>Calcy</title>
</head>
<body>
<form method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>">
<fieldseT>
<legend>Numbers</legend>
    <p>Input one : 
      <input type="text" name="input"><? echo $input; ?>
      <br /> 
      <br />
    Input 2 : 
    <input type="text" name="input2">
  </p>
    <p>Select which you would like to do:
      <SELECT name="mode" size=1>
        <OPTION selected value="add"> Addition </OPTION>
        <OPTION value="minus"> Minus </OPTION>
        <OPTION value="multiply"> Multiply </OPTION>
        <OPTION value="square"> Square route of input one </OPTION>
      </SELECT>
<br />
      <input name="submit" type="submit" value="submit">
        </p>
        </fieldset>
</form>
<?php
if(isset($_POST['submit'])){
    
$input = $_POST['input'];
$input2 = $_POST['input2'];

    if(empty($input) || empty($input2)){
        echo 'You have not provided all the information';
    } elseif(!ereg ("([0-9])", $input)){
        echo 'Please enter Numbers only';
    } elseif( $HTTP_POST_VARS['mode'] === 'minus'){
        echo $input - $input2;
    } elseif( $HTTP_POST_VARS['mode'] === 'add') {
        echo $input + $input2;
    } elseif( $HTTP_POST_VARS['mode'] === 'multiply') {
        echo $input * $input2;
    } elseif( $HTTP_POST_VARS['mode'] === 'square') {
        echo sqrt($input);
    } else {
        echo 'You have not given the correct information';
    }
}
?>


</body>
</html>

By the way not mine

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