diff --git a/ext/standard/tests/general_functions/gettype_basic.phpt b/ext/standard/tests/general_functions/gettype_basic.phpt
new file mode 100644
index 0000000000..6f46805209
--- /dev/null
+++ b/ext/standard/tests/general_functions/gettype_basic.phpt
@@ -0,0 +1,21 @@
+--TEST--
+Check for "unknown type"
+--CREDITS--
+Yulia Kostrikova <yuliakostrikova@gmail.com>
+# TestFest 2017 -  Kharkiv PHP UG 2017-10-28
+--FILE--
+<?php
+$fileName = dirname(__FILE__)."/test.txt";
+$r = fopen($fileName,'w');
+fclose($r);
+echo gettype($r);
+?>
+
+--CLEAN--
+<?php
+  $fileName = dirname(__FILE__)."/test.txt";
+  unlink($fileName);
+?>
+
+--EXPECTF--
+unknown type
\ No newline at end of file