JSON out from views

data_view.php

<?php

// data controller
public function get_data()
{
  $data = [
    'item' => $this->getDataFromSomewhere(),
    'min' => 0,
    'max' => 10
  ];
  $this->set(compact('data'));
  $this->set('_serialize', ['data']);
}

// routes
Router::extensions(['json']);


// get request to endpoint
curl my.domain.tld/data/get_data.json

// output
{
  data: {
    item: 10,
    min: 0,
    max: 10
  }
}

// expected
{
  item: 10,
  min: 0,
  max: 10
}