How the ZF framework assigns an array of PHP pages to a variable in the template page JS

How does the ZF framework assign an array of PHP pages to a variable in the template page js?
Assign variables on the Controller page:
$this->view->request = $request; $request is an array

Now want to in the template page JS to assign this $request to a JS variable, how to implement?

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Get a hidden,value={$Js _request} in the template page
Assign values to variables in the controller: Assgin ("Js_request", $request);
Js to take this hidden value: Var js_request=id_hidden.value;
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Json_encode?
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Json_encode is it possible to turn PHP data into JS data?
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You can parse the array into a string or JSON, the front-end JS can be converted to the group again.

But JSON data is better, JS can be used directly.

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