fix styling issues

src/MTNClient.php

@@ -15,13 +15,13 @@ class MTNClient
 
     private HttpClient $httpClient;
 
-	private MessageEncoder $messageEncoder;
+    private MessageEncoder $messageEncoder;
 
     public function __construct(string $url, string $username, string $password, string $from)
     {
         $this->phoneFormatter = new PhoneFormatter;
         $this->httpClient = new HttpClient($url, $username, $password, $from);
-		$this->messageEncoder = new MessageEncoder;
+        $this->messageEncoder = new MessageEncoder;
     }
 
     /**

src/Utilities/MessageEncoder.php

@@ -6,12 +6,14 @@
 
 class MessageEncoder
 {
-	public function __construct() {}
+    public function __construct() {}
 
-	public function encode(string $msg, Lang $lang)
-	{
-		if ($lang == Lang::AR)
-			return strtoupper(bin2hex(mb_convert_encoding($msg, 'UTF-16', 'UTF-8')));
-		return $msg;
-	}
+    public function encode(string $msg, Lang $lang)
+    {
+        if ($lang == Lang::AR) {
+            return strtoupper(bin2hex(mb_convert_encoding($msg, 'UTF-16', 'UTF-8')));
+        }
+
+        return $msg;
+    }
 }

tests/Unit/MessageEncoderTest.php

@@ -1,17 +1,16 @@
 <?php
 
 use Alhelwany\LaravelMtn\Enums\Lang;
-use Alhelwany\LaravelMtn\Exceptions\InvalidPhoneNumberLengthException;
 use Alhelwany\LaravelMtn\Utilities\MessageEncoder;
 
 $messageEncoder = new MessageEncoder;
 
 it('can encode arabic', function () use ($messageEncoder) {
-    $msg = "مرحبا";
+    $msg = 'مرحبا';
     expect($messageEncoder->encode($msg, Lang::AR))->toBe('06450631062D06280627');
 });
 
 it('does not encode english', function () use ($messageEncoder) {
-    $msg = "hello";
+    $msg = 'hello';
     expect($messageEncoder->encode($msg, Lang::EN))->toBe('hello');
-});
+});