<?php
namespace Illuminate\View\Middleware;
use Closure;
use Illuminate\Support\ViewErrorBag;
use Illuminate\Contracts\View\Factory as ViewFactory;
class ShareErrorsFromSession
{
/**
* The view factory implementation.
*
* @var \Illuminate\Contracts\View\Factory
*/
protected $view;// The view factory implementation
/**
* Create a new error binder instance.
*
* @param \Illuminate\Contracts\View\Factory $view
* @return void
*/
public function __construct(ViewFactory $view)
{
$this->view = $view;//set this view
}//Create a new error binder instance.
/**
* Handle an incoming request.
*
* @param \Illuminate\Http\Request $request
* @param \Closure $next
* @return mixed
*/
public function handle($request, Closure $next)
{//Handle an incoming request.
// If the current session has an "errors" variable bound to it, we will share
// its value with all view instances so the views can easily access errors
// without having to bind. An empty bag is set when there aren't errors.
$this->view->share(
'errors', $request->session()->get('errors') ?: new ViewErrorBag
);//If the current session has an "errors" variable bound to it,we will share
//its value with all view instances so the views can easily access errors
//without having to bind. An empty bag is set when there aren't errors.
// Putting the errors in the view for every view allows the developer to just
// assume that some errors are always available, which is convenient since
// they don't have to continually run checks for the presence of errors.
return $next($request);
//Putting the errors in the view for every view allows the developer to just
// assume that some errors are always available, which is convenient since
// they don't have to continually run checks for the presence of errors.
}
}