Fix return type of stub of xml_parse_into_struct()

Closes GH-12253.

Author: nielsdos

NEWS

@@ -34,6 +34,9 @@ PHP                                                                        NEWS
     foreach). (nielsdos)
   . Fixed bug #55098 (SimpleXML iteration produces infinite loop). (nielsdos)
 
+- XML:
+  . Fix return type of stub of xml_parse_into_struct(). (nielsdos)
+
 28 Sep 2023, PHP 8.1.24
 
 - Core:

ext/xml/xml.stub.php

@@ -44,7 +44,7 @@ function xml_parse(XMLParser $parser, string $data, bool $is_final = false): int
  * @param array $values
  * @param array $index
  */
-function xml_parse_into_struct(XMLParser $parser, string $data, &$values, &$index = null): int {}
+function xml_parse_into_struct(XMLParser $parser, string $data, &$values, &$index = null): int|false {}
 
 function xml_get_error_code(XMLParser $parser): int {}
 

ext/xml/xml_arginfo.h

@@ -1,5 +1,5 @@
 /* This is a generated file, edit the .stub.php file instead.
- * Stub hash: 19ecc0e3b7a82f8b992a311788919154cdb28a5d */
+ * Stub hash: 7750a602e08f8a64b28ffda0f0537d384fc34f20 */
 
 ZEND_BEGIN_ARG_WITH_RETURN_OBJ_INFO_EX(arginfo_xml_parser_create, 0, 0, XMLParser, 0)
 	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, encoding, IS_STRING, 1, "null")
@@ -46,7 +46,7 @@ ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_xml_parse, 0, 2, IS_LONG, 0)
 	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, is_final, _IS_BOOL, 0, "false")
 ZEND_END_ARG_INFO()
 
-ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_xml_parse_into_struct, 0, 3, IS_LONG, 0)
+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_MASK_EX(arginfo_xml_parse_into_struct, 0, 3, MAY_BE_LONG|MAY_BE_FALSE)
 	ZEND_ARG_OBJ_INFO(0, parser, XMLParser, 0)
 	ZEND_ARG_TYPE_INFO(0, data, IS_STRING, 0)
 	ZEND_ARG_INFO(1, values)