Composer update

* updated Laravel to v5.6.38
* Added laravel tinker in dev dependencies

vendor/laravel/tinker/src/TinkerCaster.php

@@ -0,0 +1,95 @@
+<?php
+
+namespace Laravel\Tinker;
+
+use Exception;
+use Symfony\Component\VarDumper\Caster\Caster;
+
+class TinkerCaster
+{
+    /**
+     * Application methods to include in the presenter.
+     *
+     * @var array
+     */
+    private static $appProperties = [
+        'configurationIsCached',
+        'environment',
+        'environmentFile',
+        'isLocal',
+        'routesAreCached',
+        'runningUnitTests',
+        'version',
+        'path',
+        'basePath',
+        'configPath',
+        'databasePath',
+        'langPath',
+        'publicPath',
+        'storagePath',
+        'bootstrapPath',
+    ];
+
+    /**
+     * Get an array representing the properties of an application.
+     *
+     * @param  \Illuminate\Foundation\Application  $app
+     * @return array
+     */
+    public static function castApplication($app)
+    {
+        $results = [];
+
+        foreach (self::$appProperties as $property) {
+            try {
+                $val = $app->$property();
+
+                if (! is_null($val)) {
+                    $results[Caster::PREFIX_VIRTUAL.$property] = $val;
+                }
+            } catch (Exception $e) {
+                //
+            }
+        }
+
+        return $results;
+    }
+
+    /**
+     * Get an array representing the properties of a collection.
+     *
+     * @param  \Illuminate\Support\Collection  $collection
+     * @return array
+     */
+    public static function castCollection($collection)
+    {
+        return [
+            Caster::PREFIX_VIRTUAL.'all' => $collection->all(),
+        ];
+    }
+
+    /**
+     * Get an array representing the properties of a model.
+     *
+     * @param  \Illuminate\Database\Eloquent\Model  $model
+     * @return array
+     */
+    public static function castModel($model)
+    {
+        $attributes = array_merge(
+            $model->getAttributes(), $model->getRelations()
+        );
+
+        $visible = array_flip(
+            $model->getVisible() ?: array_diff(array_keys($attributes), $model->getHidden())
+        );
+
+        $results = [];
+
+        foreach (array_intersect_key($attributes, $visible) as $key => $value) {
+            $results[(isset($visible[$key]) ? Caster::PREFIX_VIRTUAL : Caster::PREFIX_PROTECTED).$key] = $value;
+        }
+
+        return $results;
+    }
+}