Viewing file:  Response.php (3.01 KB) -rw-r--r--
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<?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 $this
*
* @throws \InvalidArgumentException
*/
public function setContent($content)
{
$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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