update translatable_required validation rule

Author: themsaid

src/MultilingualServiceProvider.php

@@ -14,20 +14,28 @@ class MultilingualServiceProvider extends ServiceProvider
      */
     public function boot()
     {
+        $systemLocales = config('multilingual.locales');
+
         $this->publishes([
             __DIR__ . '/config/multilingual.php' => config_path('multilingual.php'),
         ]);
 
-        $this->app['validator']->extendImplicit('translatable_required', function ($attribute, $value, $parameters) {
+
+        $this->app['validator']->extendImplicit('translatable_required', function ($attribute, $value, $parameters) use ($systemLocales) {
             if ( ! is_array($value)) return false;
 
             // Get only the locales that has a value and exists in
             // the system locales array
-            $locales = array_filter(array_keys($value), function ($locale) use ($value) {
-                return @$value[$locale] && in_array($locale, config('multilingual.locales'));
+            $locales = array_filter(array_keys($value), function ($locale) use ($value, $systemLocales) {
+                return @$value[$locale] && in_array($locale, $systemLocales);
             });
 
-            return $locales == config('multilingual.locales');
+            foreach ($systemLocales as $systemLocale) {
+                if ( ! in_array($systemLocale, $locales))
+                    return false;
+            }
+
+            return true;
         });
     }