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Variable Variables and $_POST

Posted on 2013-01-18
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Last Modified: 2013-01-18
I've got a multitude of strings on a site with a numerical suffix and am trying to use a loop (and later when working a function).
What I'm stuck on is the formatting to parse the variable text into $_POST so I can read the value from the previous page.
$VVBLE = "Number$LoopNumber";
$$VVBLE = $POST['$VVBLE'];

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As highlighted above the $_POST['$VVBLE'] is what I'm stuck on, what formatting should I use for it to use that as the lookup value?
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Question by:kiwistag
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3 Comments
 
LVL 27

Accepted Solution

by:
Lukasz Chmielewski earned 400 total points
ID: 38792337
Is this what you want ?

<?php
error_reporting(E_ALL);

$_POST['Number1'] = 100;
$_POST['Number2'] = 200;
$_POST['Number3'] = 300;

for($i=1;$i<=3;$i++)
{
    $LoopNumber = $i;
    $VVBLE = "Number".$LoopNumber;
    $$VVBLE = $_POST[$VVBLE];
}

var_dump($Number1);
var_dump($Number2);
var_dump($Number3);

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LVL 143

Expert Comment

by:Guy Hengel [angelIII / a3]
ID: 38792369
this should do it?
$$VVBLE = $POST[$VVBLE];
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LVL 6

Author Closing Comment

by:kiwistag
ID: 38792394
Thanks, the issue was actually (that I'd missed completely) that I'd put $POST and not $_POST. No idea why I kept overlooking it but your code was great for fault finding!
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