Fix use of UNDEF instead of NULL in read_dimension

1 files changed, 43 insertions, 0 deletions

diff --git a/Zend/tests/ArrayAccess_indirect_append.phpt b/Zend/tests/ArrayAccess_indirect_append.phpt
new file mode 100644
index 0000000000..6f3da7c46c
--- /dev/null
+++ b/Zend/tests/ArrayAccess_indirect_append.phpt
@@ -0,0 +1,43 @@
+--TEST--
+Using indirect append on ArrayAccess object
+--FILE--
+<?php
+
+class AA implements ArrayAccess {
+    private $data = [];
+    public function &offsetGet($name) {
+        if (null === $name) {
+            return $this->data[];
+        } else {
+            return $this->data[$name];
+        }
+    }
+    public function offsetSet($name, $value) {
+        $this->data[$name] = $value;
+    }
+    public function offsetUnset($name) {}
+    public function offsetExists($name) {}
+}
+
+$aa = new AA;
+$aa[3] = 1;
+$aa[][][0] = 2;
+var_dump($aa);
+
+?>
+--EXPECT--
+object(AA)#1 (1) {
+  ["data":"AA":private]=>
+  array(2) {
+    [3]=>
+    int(1)
+    [4]=>
+    array(1) {
+      [0]=>
+      array(1) {
+        [0]=>
+        int(2)
+      }
+    }
+  }
+}