diff --git a/ext/standard/tests/array/bug23788.phpt b/ext/standard/tests/array/bug23788.phpt
new file mode 100644
index 00000000000..022b3cecd47
--- /dev/null
+++ b/ext/standard/tests/array/bug23788.phpt
@@ -0,0 +1,24 @@
+--TEST--
+Bug #23788 (*_replace() clobbers referenced array elements)
+--FILE--
+<?php
+$numeric = 123;
+$bool = true;
+$foo = array(&$numeric, &$bool);
+var_dump($foo);
+str_replace("abc", "def", $foo);
+var_dump($foo);
+?>
+--EXPECT--
+array(2) {
+  [0]=>
+  &int(123)
+  [1]=>
+  &bool(true)
+}
+array(2) {
+  [0]=>
+  &int(123)
+  [1]=>
+  &bool(true)
+}