1 files changed, 70 insertions, 0 deletions
diff --git a/ext/spl/tests/bug62059.phpt b/ext/spl/tests/bug62059.phpt
new file mode 100644
index 0000000000..241dc5a8c1
--- /dev/null
+++ b/ext/spl/tests/bug62059.phpt
@@ -0,0 +1,70 @@
+--TEST--
+Bug #62059: ArrayObject and isset are not friends
+--FILE--
+<?php
+
+class MyArrayObject1 extends ArrayObject {
+    public function offsetGet($name) {
+        echo "offsetGet($name)\n";
+        return parent::offsetGet($name);
+    }
+    public function offsetExists($name) {
+        echo "offsetExists($name)\n";
+        return parent::offsetExists($name);
+    }
+}
+class MyArrayObject2 extends ArrayObject {
+    public function offsetGet($name) {
+        echo "offsetGet($name)\n";
+        return parent::offsetGet($name);
+    }
+}
+class MyArrayObject3 extends ArrayObject {
+    public function offsetExists($name) {
+        echo "offsetExists($name)\n";
+        return parent::offsetExists($name);
+    }
+}
+
+$arr = [1 => [1 => 42]];
+$ao = new ArrayObject($arr);
+var_dump(isset($ao[0][1]));
+var_dump(isset($ao[1][0]));
+var_dump(isset($ao[1][1]));
+$ao = new MyArrayObject1($arr);
+var_dump(isset($ao[0][1]));
+var_dump(isset($ao[1][0]));
+var_dump(isset($ao[1][1]));
+$ao = new MyArrayObject2($arr);
+var_dump(isset($ao[0][1]));
+var_dump(isset($ao[1][0]));
+var_dump(isset($ao[1][1]));
+$ao = new MyArrayObject3($arr);
+var_dump(isset($ao[0][1]));
+var_dump(isset($ao[1][0]));
+var_dump(isset($ao[1][1]));
+
+?>
+--EXPECT--
+bool(false)
+bool(false)
+bool(true)
+offsetExists(0)
+bool(false)
+offsetExists(1)
+offsetGet(1)
+bool(false)
+offsetExists(1)
+offsetGet(1)
+bool(true)
+bool(false)
+offsetGet(1)
+bool(false)
+offsetGet(1)
+bool(true)
+offsetExists(0)
+bool(false)
+offsetExists(1)
+bool(false)
+offsetExists(1)
+bool(true)