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Var vars can be very handy, you can use them to associate a name to a variable.

<?
$my_soon_to_be_variable = 'wow_my_variable';
$$my_soon_to_be_variable = 'Now it's a VAR VAR'; // It's a var var

echo $wow_my_variable; // That's right, it's a variable
?>

Filed under: PHP, Snippets, open source, PHP, variables