set $var from a $var

[kabatak]

Is it posible to set a $var from a $var like

$a = hello;
$b = there;

$$a$b = hi;

so that

$hellothere will have the value of "hi"

[hohoho]

it is possible :D
<?
$a = "hello";
$b = "there";

$var="$a$b";
$$var="hi";
echo $hellothere;
?>

Explanation: if there is a $var and you set $$var, then there will be a new variable called like the content of $var and the value of $$var

btw: nice post count ben (666) ;)

[kabatak]

1st I thought it like this:

$a = "hello";
$b = "there";
$var="ab";
$$var="hi";
echo $var;

because of:

$a = "hello";
$var = "a";
echo $$var;

obviously didn't work, but I didn't thought of that method of yours hohoho, thank you, it works :)

[kabatak]

I have another problem

$a = "hello";
$b = "there";
$var="$a$b";
$$var="hi";
echo $hellothere;

What if the value of $$var is coming from a form, how do you set its value?

[hohoho]

$$var = $formvar

[kabatak]

but how, if the form var is $hellothere

$a = "hello";
$b = "there";
$var="$a$b";
$$var="hi";
echo $hellothere;

[hohoho]

then you already have the var $hellothere...
just rename the $var

[kabatak]

confused... uggg :confused: :crysad:

[Kaliber]

use the [ php ] bbcode

[kabatak]

ok, I think I got it. what I actually want was someting like

$a = "hello";
$b = "there";
$var="$a$b";
$$var='$_POST["$a$b"]';
echo ("$a$b");

still confused.:confused2

[biggulp]

don't think you need quotes around variable names.

$a = "hello";
$b = "there";
$var=$a . $b;
$$var = $_POST[{$a}{$b}];
echo $a . $b;