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Treehouse Moderator 91,253 PointsThe parameter here is "location:", isn't it?
I've been struggling with this one for a little while. Is it possible the question is worded slightly wrongly?
This is the code the question is asking for...
<?php
$response = \Symfony\Component\HttpFoundation\Response::create(null, \Symfony\Component\HttpFoundation\Response::HTTP_FOUND, ['_______' => '/index.php']);
?>
And I've marked out the blank we need to fill in. I think we need to add the location flag in there. However in my version of the code, following the video we've done this in addBook.php
<?php
$response = \Symfony\Component\HttpFoundation\Response::create(null, \Symfony\Component\HttpFoundation\Response::HTTP_FOUND, header("Location:/books.php"));
?>
See the difference? What do we need to put in the blank? :)