fix code redundancy. (PHPMailer#1317)

punnawat · Jan 5, 2018 · f06d08f · f06d08f
1 parent c8613a4
commit f06d08f
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/src/PHPMailer.php b/src/PHPMailer.php
@@ -3918,8 +3918,9 @@ public static function _mime_types($ext = '')
             'avi' => 'video/x-msvideo',
             'movie' => 'video/x-sgi-movie',
         ];
-        if (array_key_exists(strtolower($ext), $mimes)) {
-            return $mimes[strtolower($ext)];
+        $ext = strtolower($ext);
+        if (array_key_exists($ext, $mimes)) {
+            return $mimes[$ext];
         }
 
         return 'application/octet-stream';