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Viewing / Editing File: Response.php

<?php

namespace Illuminate\Http;

use ArrayObject;
use Illuminate\Contracts\Support\Arrayable;
use Illuminate\Contracts\Support\Jsonable;
use Illuminate\Contracts\Support\Renderable;
use Illuminate\Support\Traits\Macroable;
use InvalidArgumentException;
use JsonSerializable;
use Symfony\Component\HttpFoundation\Response as SymfonyResponse;
use Symfony\Component\HttpFoundation\ResponseHeaderBag;

class Response extends SymfonyResponse
{
    use ResponseTrait, Macroable {
        Macroable::__call as macroCall;
    }

/**
     * Create a new HTTP response.
     *
     * @param  mixed  $content
     * @param  int  $status
     * @param  array  $headers
     * @return void
     *
     * @throws \InvalidArgumentException
     */
    public function __construct($content = '', $status = 200, array $headers = [])
    {
        $this->headers = new ResponseHeaderBag($headers);

$this->setContent($content);
        $this->setStatusCode($status);
        $this->setProtocolVersion('1.0');
    }

/**
     * Set the content on the response.
     *
     * @param  mixed  $content
     * @return $this
     *
     * @throws \InvalidArgumentException
     */
    public function setContent(mixed $content): static
    {
        $this->original = $content;

// If the content is "JSONable" we will set the appropriate header and convert
        // the content to JSON. This is useful when returning something like models
        // from routes that will be automatically transformed to their JSON form.
        if ($this->shouldBeJson($content)) {
            $this->header('Content-Type', 'application/json');

$content = $this->morphToJson($content);

if ($content === false) {
                throw new InvalidArgumentException(json_last_error_msg());
            }
        }

// If this content implements the "Renderable" interface then we will call the
        // render method on the object so we will avoid any "__toString" exceptions
        // that might be thrown and have their errors obscured by PHP's handling.
        elseif ($content instanceof Renderable) {
            $content = $content->render();
        }

parent::setContent($content);

return $this;
    }

/**
     * Determine if the given content should be turned into JSON.
     *
     * @param  mixed  $content
     * @return bool
     */
    protected function shouldBeJson($content)
    {
        return $content instanceof Arrayable ||
               $content instanceof Jsonable ||
               $content instanceof ArrayObject ||
               $content instanceof JsonSerializable ||
               is_array($content);
    }

/**
     * Morph the given content into JSON.
     *
     * @param  mixed  $content
     * @return string
     */
    protected function morphToJson($content)
    {
        if ($content instanceof Jsonable) {
            return $content->toJson();
        } elseif ($content instanceof Arrayable) {
            return json_encode($content->toArray());
        }

return json_encode($content);
    }
}

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