[Resolved] Var value inside a var value...?

[jackiw]

I have 5 variables, named $L1 to $L5. What I need to do is to be able to run a while of for statement and use the my_rounder() function in each one of the variables above.

My idea was something like this, which doesn't work:

<?
function my_rounder($value) 
{ 
$value = sprintf("%1.2f", $value); 
print $value; 
} 


$L1 = "1.00";
$L2 = "2.00";
$L3 = "3.00";
$L4 = "";
$L5 = "";


$i = 1;
while($i<=5) {

 $name = "$";
 $name .= "L".$i;

 print "Cost: ";
 print my_rounder($name);
 print "<br>";

$i++;
}

?>

[richblend]

all youve done there is created strings with teh values L1, L2 etc. you need to make a variable variable, like this (sometimes a bit hard to get your head around)...

$i = 1; 
while($i<=5) { 

 $variable_name="L".$i;
 $$variable_name=$i;

 print "Cost: "; 
 print my_rounder($$variable_name); 
 print "<br>"; 

$i++; 
} 

I often use that same kinda principle, for instance, for getting variables from the POST array (if there are alot)

instead of saying...

$var1=$_POST['var1'];
$var2=$_POST['var2'];
...... etc

you can just creating a loop, with variable varaibles....

foreach($_POST as $key => $val){
     $$key = $val;
}

Hope that helps, its a really hard thing to explain.

[jackiw]

It worked. Thanks a lot.