1 files changed, 33 insertions, 0 deletions
diff --git a/ext/standard/tests/serialize/SplObjectStorage_object_reference.phpt b/ext/standard/tests/serialize/SplObjectStorage_object_reference.phpt
new file mode 100644
index 0000000000..e09ba1ae38
--- /dev/null
+++ b/ext/standard/tests/serialize/SplObjectStorage_object_reference.phpt
@@ -0,0 +1,33 @@
+--TEST--
+Reference to SplObjectStorage key (not supported)
+--FILE--
+<?php
+
+$inner = 'x:i:1;O:8:"stdClass":0:{};m:a:0:{}';
+$inner_len = strlen($inner);
+$str = <<<STR
+a:2:{i:0;C:16:"SPlObjectStorage":{$inner_len}:{{$inner}}i:1;R:4;}
+STR;
+var_dump(unserialize($str));
+
+?>
+--EXPECTF--
+array(2) {
+  [0]=>
+  object(SplObjectStorage)#1 (1) {
+    ["storage":"SplObjectStorage":private]=>
+    array(1) {
+      ["%s"]=>
+      array(2) {
+        ["obj"]=>
+        object(stdClass)#2 (0) {
+        }
+        ["inf"]=>
+        NULL
+      }
+    }
+  }
+  [1]=>
+  object(stdClass)#2 (0) {
+  }
+}