Vendor lock

vendor/illuminate/view/Middleware/ShareErrorsFromSession.php

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+<?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;
+
+    /**
+     * Create a new error binder instance.
+     *
+     * @param  \Illuminate\Contracts\View\Factory  $view
+     * @return void
+     */
+    public function __construct(ViewFactory $view)
+    {
+        $this->view = $view;
+    }
+
+    /**
+     * Handle an incoming request.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @param  \Closure  $next
+     * @return mixed
+     */
+    public function handle($request, Closure $next)
+    {
+        // 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
+        );
+
+        // 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);
+    }
+}