enable strict checking for in_array

Author: introwit

CHANGELOG.md

@@ -1,5 +1,8 @@
 All notable changes to the Laravel Mail Viewer be documented in this file
 
+## v3.1.0 (05-12-2018)
+- Fixed the behaviour of in_array by enabling strict checking.
+
 ## v3.0.0 (13-11-2018)
 - If the constructor dependency is not type hinted it will trust the user input in the config file as a replacement. [PR for this feature](https://github.com/JoggApp/laravel-mail-viewer/pull/15)
 - Big thanks & credits to [Junhai](https://github.com/starvsion) for making this possible :)

src/MailViewer.php

@@ -48,7 +48,7 @@ public static function find(string $mail)
                     $factoryStates = [];
 
                     if (is_array($dependency)) {
-                        if (in_array('states', array_keys($dependency))) {
+                        if (in_array('states', array_keys($dependency), true)) {
                             $factoryStates = $dependency['states'];
                             $dependency = $dependency['class'];
                         }
@@ -85,7 +85,7 @@ public static function prepareMails(array $mailables): array
 
             foreach ($dependencies as $dependency) {
                 if (is_array($dependency)) {
-                    if (in_array('states', array_keys($dependency))) {
+                    if (in_array('states', array_keys($dependency), true)) {
                         $dependency = $dependency['class'];
                     }
                 }