<html>
<form action="<?php $PHP_SELF ?>" method="POST">
<input type='text' name='spg1' class='textbox' style='width:100px'><select name=operator>
<option>+
<option>*
<option>-
<option>/
</select><input type='text' name='spg2' class='textbox' style='width:100px'>
<input type="submit" value="Send">
</html>
<?php
$spg1 = $_POST['spg1'];
$type = $_POST['operator'];
$spg2 = $_POST['spg2'];
if($_POST['operator'] == "+") {
$spg = $spg1 . " + " . $spg2 . ":";
$svar = $spg1 + $spg2;
} else {
if($_POST['operator'] == "*") {
$spg = $spg1 . " * " . $spg2 . ":";
$svar = $spg1 * $spg2;
} else {
if($_POST['operator'] == "-") {
$spg = $spg1 . " - " . $spg2 . ":";
$svar = $spg1 - $spg2;
} else {
if($_POST['operator'] == "/") {
$spg = $spg1 . " / " . $spg2 . ":";
$svar = $spg1 / $spg2;
}
}
}
}
if ($_POST['spg1'] != "" && $_POST['spg2'] != "") {
echo "<br>Svar: ";
echo $svar;
}
?>
