Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
  Fix #63206: Fully support error/exception_handler stacking, even with null or inside the handler

diff --cc NEWS
index 7383cd6a944d5b94c9d74a26223bb8eb23d331a2,12208cf46ab6d9dd53745a70894c1851bd344cb9..c70eaa7bb3b4a32bac0a8ac56cfbe39148e706dc
--- 1/NEWS
--- 2/NEWS
+++ b/NEWS
@@@ -1,10 -1,10 +1,12 @@@
  PHP                                                                        NEWS
  |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 -?? ??? ????, PHP 7.3.16
 +
 +?? ??? ????, PHP 7.4.4
  
  - Core:
 +  . Fixed bug #79244 (php crashes during parsing INI file). (Laruence)
+   . Fixed bug #63206 (restore_error_handler does not restore previous errors
+     mask). (Mark Plomer)
  
  - COM:
    . Fixed bug #66322 (COMPersistHelper::SaveToFile can save to wrong location).

diff --cc Zend/zend_builtin_functions.c
Simple merge