CakePHP 2xのリダイレクト(redirect)の指定方法

// リダイレクト先：/posts/detail/1
$this->redirect(['controller'=>'posts','action'=>'detail',1]);

// リダイレクト先：/posts/detail/1 $this->redirect(['controller'=>'posts','action'=>'detail',1]);

// リダイレクト先： http://example/posts/detail
$this->redirect('http://example/posts/detail');

// リダイレクト先： http://example/posts/detail $this->redirect('http://example/posts/detail');

// リダイレクト先： /posts/detail
$this->redirect('/posts/detail');

// リダイレクト先： /posts/detail $this->redirect('/posts/detail');

$this->redirect(['controller'=>'posts','action'=>'detail',$postID]);

$this->redirect(['controller'=>'posts','action'=>'detail',$postID]);