Merge remote branch 'upstream/master' into hash_password

* upstream/master: (393 commits)
  forked two tests for windows
  Fixed bug #50997 (SOAP Error when trying to submit 2nd Element of a choice)
  Fixed bug #50997 (SOAP Error when trying to submit 2nd Element of a choice).
  Fixed bug #50997 (SOAP Error when trying to submit 2nd Element of a choice).
  Fixed bug #50997 (SOAP Error when trying to submit 2nd Element of a choice)
  Fixed bug #50997 (SOAP Error when trying to submit 2nd Element of a choice)
  Bug #49510: Boolean validation fails with FILTER_NULL_ON_FAILURE with empty string or false
  Implemented ReflectionFunction::isGenerator()
  Allow null as a default value for length in mb_substr() and mb_strcut()
  Allow null as a default value for length in mb_substr() and mb_strcut()
  folder
  Initializing optional argument description in assert()
  Initializing optional argument description in assert()
  Fix test failed due to new Token T_YIELD
  fix NEWS
  Fix leak when yielding array as key
  Drop obsolete test
  Remove extra blank in notice message, should act as same as vm
  Fixed bug #62987 (Assigning to ArrayObject[null][something] overrides all undefined variables)
  assert() user message
  ...

diff --cc ext/standard/basic_functions.c
Simple merge

diff --cc main/main.c
Simple merge