public function analyze()
{
// while (list($a, $b) = each($c)) {}
$this->atomIs('While')->outIs('CONDITION')->atomIs('Assignation')->_as('assignation')->outIs('LEFT')->atomIs('Functioncall')->codeIs('list')->back('assignation')->outIs('RIGHT')->atomIs('Functioncall')->codeIs('each')->back('first');
$this->prepareQuery();
}