don't replace with ?, just skip it
Merge branch 'PHP-5.5' into PHP-5.6

Conflicts:
	ext/mysqli/mysqli_api.c
Emit a warning in case of unallowed characters. Fix another place this
code is used - reuse
Merge branch 'PHP-5.5' into PHP-5.6
Fixes after merge
Merge branch 'PHP-5.6' of git.php.net:php-src into PHP-5.6
fix C89 compat
Fixed bug #65715 php5embed.lib isn't provided anymore
updated NEWS
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  updated NEWS
  Fixed bug #65715 php5embed.lib isn't provided anymore
updated NEWS
Merge branch 'PHP-5.5' into PHP-5.6

* PHP-5.5:
  updated NEWS
  updated NEWS
  Fixed bug #65715 php5embed.lib isn't provided anymore
updated NEWS
PHP-5.6 compatibility for apache2 filter SAPI
fix some warnings
more fixes related to bug #65715
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  more fixes related to bug #65715
Merge branch 'PHP-5.5' into PHP-5.6

* PHP-5.5:
  more fixes related to bug #65715
fix disabling PGO for extensions, rel bug #65715
Merge branch 'PHP-5.5' into PHP-5.6

* PHP-5.5:
  fix disabling PGO for extensions, rel bug #65715