Add test demonstrating internal objects need to opt-in to supporting ArrayAccess for userland

Author: Girgias

Zend/tests/offsets/internal_handlers_extended.phpt

@@ -0,0 +1,78 @@
+--TEST--
+Internal handlers that do not explicitly support userland ArrayAccess
+--EXTENSIONS--
+zend_test
+--FILE--
+<?php
+
+class NoImplement extends DimensionHandlersNoArrayAccess {}
+
+class DoImplement extends DimensionHandlersNoArrayAccess implements ArrayAccess {
+    public function offsetSet($offset, $value): void {
+        var_dump(__METHOD__);
+        var_dump($offset);
+        var_dump($value);
+    }
+    public function offsetGet($offset): mixed {
+        var_dump(__METHOD__);
+        var_dump($offset);
+        return "dummy";
+    }
+    public function offsetUnset($offset): void {
+        var_dump(__METHOD__);
+        var_dump($offset);
+    }
+    public function offsetExists($offset): bool {
+        var_dump(__METHOD__);
+        var_dump($offset);
+        return true;
+    }
+}
+
+$no = new NoImplement();
+$do = new DoImplement();
+
+$no['foo'];
+var_dump($no);
+
+$do['foo'];
+var_dump($do);
+
+?>
+--EXPECTF--
+object(NoImplement)#1 (7) {
+  ["read"]=>
+  bool(true)
+  ["write"]=>
+  bool(false)
+  ["has"]=>
+  bool(false)
+  ["unset"]=>
+  bool(false)
+  ["readType"]=>
+  int(0)
+  ["hasOffset"]=>
+  bool(true)
+  ["checkEmpty"]=>
+  uninitialized(int)
+  ["offset"]=>
+  string(3) "foo"
+}
+object(DoImplement)#2 (7) {
+  ["read"]=>
+  bool(true)
+  ["write"]=>
+  bool(false)
+  ["has"]=>
+  bool(false)
+  ["unset"]=>
+  bool(false)
+  ["readType"]=>
+  int(0)
+  ["hasOffset"]=>
+  bool(true)
+  ["checkEmpty"]=>
+  uninitialized(int)
+  ["offset"]=>
+  string(3) "foo"
+}