From 1e25cc8788393a18a1cf43626e43238eed6ec5b0 Mon Sep 17 00:00:00 2001
From: Mark Grainger <mark.grainger@netcall.com>
Date: Sat, 18 Feb 2023 14:58:43 +0000
Subject: [PATCH 1/2] segfault fix when checking with empty

---
 v8js_v8object_class.cc | 1 -
 1 file changed, 1 deletion(-)

diff --git a/v8js_v8object_class.cc b/v8js_v8object_class.cc
index ff1495c..332b9a2 100644
--- a/v8js_v8object_class.cc
+++ b/v8js_v8object_class.cc
@@ -916,7 +916,6 @@ PHP_MINIT_FUNCTION(v8js_v8object_class) /* {{{ */
 	/* V8<Object|Function> handlers */
 	memcpy(&v8js_v8object_handlers, zend_get_std_object_handlers(), sizeof(zend_object_handlers));
 	v8js_v8object_handlers.clone_obj = NULL;
-	v8js_v8object_handlers.cast_object = NULL;
 	v8js_v8object_handlers.get_property_ptr_ptr = v8js_v8object_get_property_ptr_ptr;
 	v8js_v8object_handlers.has_property = v8js_v8object_has_property;
 	v8js_v8object_handlers.read_property = v8js_v8object_read_property;

From 79a46804dc850268833d39ebf4f1e3efdaca8b80 Mon Sep 17 00:00:00 2001
From: Mark Grainger <mark.grainger@netcall.com>
Date: Sat, 18 Feb 2023 15:12:29 +0000
Subject: [PATCH 2/2] empty() test

---
 tests/issue_504_001.phpt | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 tests/issue_504_001.phpt

diff --git a/tests/issue_504_001.phpt b/tests/issue_504_001.phpt
new file mode 100644
index 0000000..79d9658
--- /dev/null
+++ b/tests/issue_504_001.phpt
@@ -0,0 +1,20 @@
+--TEST--
+Test empty() : Segmentation fault caused by 'empty' check on a V8Function object
+--SKIPIF--
+<?php require_once(dirname(__FILE__) . '/skipif.inc'); ?>
+--FILE--
+<?php
+$v = new \V8Js();
+$r = $v->executeString('
+    a = {
+	    main: function() {}
+    };
+', null, V8Js::FLAG_FORCE_ARRAY | V8Js::FLAG_PROPAGATE_PHP_EXCEPTIONS);
+
+if (!empty($r['main'])) {
+    echo 'Ok' . PHP_EOL;
+}
+?>
+--EXPECTF--
+Ok
+