Merge branch 'PHP-5.5' of https://git.php.net/repository/php-src into PHP-5.5

# By Julien Pauli
# Via Julien Pauli
* 'PHP-5.5' of https://git.php.net/repository/php-src:
  5.5.5 now
Merge branch 'PHP-5.5' of https://git.php.net/repository/php-src into PHP-5.5

* 'PHP-5.5' of https://git.php.net/repository/php-src:
Merge branch 'PHP-5.5' of https://git.php.net/repository/php-src into PHP-5.5

# By Adam Harvey (3) and others
# Via Adam Harvey (2) and Michael Wallner (1)
* 'PHP-5.5' of https://git.php.net/repository/php-src:
  fix broken sha2 configure tests
  Fixed minor bug in test.
  Move NEWS entries to correct version
  Fix bug #64782: SplFileObject constructor make $context optional
  Fix bug #65502: DateTimeImmutable::createFromFormat returns DateTime
  Fix bug #65548: Comparison for DateTimeImmutable doesn't work
  Tinker with the wording of the short_open_tag description.
  Fix NEWS: these commits were after 5.5.4 was branched and will be in 5.5.5.
  Handle CLI server request headers case insensitively.
  ensure that the defined interpolation method is used by the generic scaling functions
  Fixed issue #128 (opcache_invalidate segmentation fault)
  5.4.21 now
Merge branch 'PHP-5.5' of https://git.php.net/repository/php-src into PHP-5.5

# By Xinchen Hui (2) and Michael Wallner (1)
# Via Michael Wallner
* 'PHP-5.5' of https://git.php.net/repository/php-src:
  double test timeout for travis
  Add test for ISSUE #128
  Fixed bug #65665 (Exception not properly caught when opcache enabled)
Merge branch 'PHP-5.5' of https://git.php.net/repository/php-src into PHP-5.5

# By David Soria Parra (6) and others
# Via David Soria Parra (5) and Michael Wallner (1)
* 'PHP-5.5' of https://git.php.net/repository/php-src:
  Revert "EmptyIterator now implements Countable; fixes bug 60577"
  RFC 6598 reserved ip range starts at 100.64.0.0
  fix a very rare case of use of uninitialized value combined with a memleak
  NEWS for added reserved ip addresses according to RFC 6598
  Add RFC 6598 IPs to reserved addresses
  NEWS for #60577
  NEWS for bug #64441
  Fix bug #64441 (FILTER_VALIDATE_URL rejects fully qualified domain names)
  EmptyIterator now implements Countable; fixes bug 60577
  News for bugfix #64157
  Bug 64157 Changed error message to make sense