Dynamically build variable names through a loop

I have an array of id’s: 27, 28, 29.

I want to loop through them and attach their actual value onto another PHP variable.

In the end I want to output 600, 700 and 800.

<?php 

$dataTableArray = Array();
$dataTableArray = array(27,28,29);

$new2009_27 = 600;
$new2009_28 = 700;
$new2009_29 = 800;

foreach ($dataTableArray as $id => $value){
	// need help here
	echo $new2009_.$value;
}


?>

Any ideas?

i think this code will solve the problem

foreach ($dataTableArray as $id => $value){
    // need help here
	$varname = "new2009_".$value;
    echo $$varname;
}

thanks MC… also just did this

<?php 
$dataTableArray = Array();
$dataTableArray = array(27,28,29);

$new2009_27 = 600;
$new2009_28 = 700;
$new2009_29 = 800;

foreach ($dataTableArray as $id => $value){
	
	echo ${"new2009_".$value};
}


?>