JsonResponse.php

<?php

namespace Illuminate\Http;

use JsonSerializable;

use InvalidArgumentException;

use Illuminate\Contracts\Support\Jsonable;

use Illuminate\Contracts\Support\Arrayable;

use Symfony\Component\HttpFoundation\JsonResponse as BaseJsonResponse;

class JsonResponse extends BaseJsonResponse

{// a json response  extends base Json response

    use ResponseTrait;// use Response Trait

   // a trait

    /**

     * The json encoding options.

     *

     * @var int

     */

    protected $jsonOptions;// The json encoding options

    /**

     * Constructor.

     *

     * @param  mixed  $data

     * @param  int    $status

     * @param  array  $headers

     * @param  int    $options

     */

    public function __construct($data = null, $status = 200, $headers = [], $options = 0)

    {

        $this->jsonOptions = $options;

        parent::__construct($data, $status, $headers);

    }// a constructor about instance of the response

   // more type response

    /**

     * Get the json_decoded data from the response.

     *

     * @param  bool  $assoc

     * @param  int   $depth

     * @return mixed

     */

    public function getData($assoc = false, $depth = 512)

    {

        return json_decode($this->data, $assoc, $depth);// a json decode method

    }// Get the json_decoded data from the response.

    /**

     * {@inheritdoc}

     */

    public function setData($data = [])

    {

        if ($data instanceof Arrayable) {

            $this->data = json_encode($data->toArray(), $this->jsonOptions);// array

        } elseif ($data instanceof Jsonable) {

            $this->data = $data->toJson($this->jsonOptions);// to json

        } elseif ($data instanceof JsonSerializable) {

            $this->data = json_encode($data->jsonSerialize(), $this->jsonOptions);// to serialize

        } else {

            $this->data = json_encode($data, $this->jsonOptions);

        }

        if (JSON_ERROR_NONE !== json_last_error()) {

            throw new InvalidArgumentException(json_last_error_msg());

        }// JSON_ERROR_NONE

        return $this->update();

    }// set Data inert into the

    /**

     * Get the JSON encoding options.

     *

     * @return int

     */

    public function getJsonOptions()

    {

        return $this->jsonOptions;

    }// get Json Options

    /**

     * Set the JSON encoding options.

     *

     * @param  int  $options

     * @return mixed

     */

    public function setJsonOptions($options)

    {

        $this->jsonOptions = $options;// set the options

        return $this->setData($this->getData());// and set Data

    }// set Json Options

}