Check that the type is correct

smalyshev · smalyshev · commit fb83c76deec5 · 2015-03-22T18:17:47.000-07:00
diff --git a/ext/standard/incomplete_class.c b/ext/standard/incomplete_class.c
@@ -144,7 +144,7 @@ PHPAPI char *php_lookup_class_name(zval *object, zend_uint *nlen)
 
 	object_properties = Z_OBJPROP_P(object);
 
-	if (zend_hash_find(object_properties, MAGIC_MEMBER, sizeof(MAGIC_MEMBER), (void **) &val) == SUCCESS) {
+	if (zend_hash_find(object_properties, MAGIC_MEMBER, sizeof(MAGIC_MEMBER), (void **) &val) == SUCCESS && Z_TYPE_PP(val) == IS_STRING) {
 		retval = estrndup(Z_STRVAL_PP(val), Z_STRLEN_PP(val));
 
 		if (nlen) {
