note 17803 added to language.variables

to call a string var, asign it $$foo="bar" then call it normaly by $foo. Calling $$foo will output "$".$foo (adding $ character to your var) asigning $foo="bar" then calling $$foo will output a var, not a sting ($foo) -- http://www.php.net/manual/en/language.variables.php http://master.php.net/manage/user-notes.php?action=edit+17803 http://master.php.net/manage/user-notes.php?action=delete+17803 http://master.php.net/manage/user-notes.php?action=reject+17803