protected function pdefine($i)
{
$et = $this->node->tokens;
$p = $this->find($i, T_CONSTANT_ENCAPSED_STRING);
if ($p) {
$const = $et[$p][1];
$p = $this->find($p, T_COMMA);
if ($p) {
$i = $this->next($p);
$this->node->constants[$const] = $et[$p][1];
}
}
return $i;
}