Don't attempt to lowercase a NULL

Fixes PHP 8.1 deprecation notice when trying to `strtolower` `NULL`
chriskacerguis · Feb 24, 2022 · f386f4e · f386f4e
1 parent 4571473
commit f386f4e
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/RestController.php b/src/RestController.php
@@ -834,7 +834,9 @@ protected function _detect_method()
                 $method = $this->input->server('HTTP_X_HTTP_METHOD_OVERRIDE');
             }
 
-            $method = strtolower($method);
+            if ($method !== null) {
+                $method = strtolower($method);
+            }
         }
 
         if (empty($method)) {