/**
* Accessor for global variables
* @param Tokenizer $tokens
* @param Template $tpl
* @return string
*/
public static function getVar(Tokenizer $tokens, Template $tpl)
{
$name = $tokens->prev[Tokenizer::TEXT];
if (isset(self::$vars[$name])) {
$var = $tpl->parseVariable($tokens, self::$vars[$name]);
return "(isset({$var}) ? {$var} : null)";
} else {
throw new UnexpectedTokenException($tokens->back());
}
}
