Checks whether 'file' is set in codeEditorSettings $argsHEADmain

1 files changed, 1 insertions, 1 deletions

diff --git a/src/ThemeEditor.php b/src/ThemeEditor.php
index 194b59d..60ae997 100644
--- a/src/ThemeEditor.php
+++ b/src/ThemeEditor.php
@@ -40,7 +40,7 @@ class ThemeEditor
      * @return array
      */
     public function codeEditorSettings($settings, $args) {
-        if (strpos($args['file'], '.twig') !== false) {
+        if (isset($args['file']) && strpos($args['file'], '.twig') !== false) {
             $settings['codemirror']['mode'] = ['name' => 'twig', 'base' => 'text/html'];
         }