Variable Form Loop

[Pryach]

I have a page with a form that has 15 different inputs.

These inputs will be added to a database.

These inputs are named "variable1", "variable2", "variable3", etc.

After clicking the submit button, I want there to be some kind of a loop that turns these variables from POST variables to simple variables.

Something like this:

<?

$i = 1;

while ($i <= 15) {
$variable$i = $_POST['variable$i'];
$i++;
}

?>

This would create the variable $variable1 equal to whatever the input of variable1 was on the previous page (all the way to $variable15).

However, this does not work. I can't think of another way to get it to work, so I'd appreciate it if someone could give me a hand.

Thanks 🙂

[subwayman]

To use a string as a variable name simplly add an extra $ to it.

So:

$something = 'hello world';
$varname = 'something';

Echo $$varname;

Would result in 'Hello World';

So you want:

$i = 1;

while ($i <= 15) {
$varname = "variable".trim($i); //trim to remove space sometimes added if a number
$$varname = $_POST[$$varname];
$i++;
}

[Weedpacket]

$variable$i = $_POST['variable$i']; 

Two mistakes: subwayman's noted one ( ${"variable".$i} would achieve the same effect); the other is that you should have used double quotes - i.e., $_POST["variable$i"].

But is this really necessary? Will having fifteen separate variables be easier than one array?