Automated native_function_invocation fixes

src/Spout/Reader/Common/Creator/ReaderFactory.php

@@ -37,7 +37,7 @@ class ReaderFactory
      */
     public static function createFromFile(string $path)
     {
-        $extension = strtolower(pathinfo($path, PATHINFO_EXTENSION));
+        $extension = \strtolower(\pathinfo($path, PATHINFO_EXTENSION));
 
         return self::createFromType($extension);
     }