YII2 redirect

• 
$this->redirect(array('/site/contact','id'=>12));
/testwebap/index.php?r=site/contact&id=12

$this->redirect(array('site/contact','id'=>'idv','name'=>'namev'));
/testwebap/index.php?r=site/contact&id=idv&name=namev

$this->redirect(array('site/contact','v1','v2','v3'));
/testwebap/index.php?r=site/contact&0=v1&1=v2&2=v3

$this->redirect(array('site/contact','v1','v2','v3','#'=>'ttt'));
/testwebap/index.php?r=site/contact&0=v1&1=v2&2=v3#ttt