Hash value must not zero?
Fix typo
Fix bug #68594 - Use after free vulnerability in unserialize()
add missing test file
add CVE
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  add CVE
  add missing test file
  Fix bug #68594 - Use after free vulnerability in unserialize()
update news
Merge branch 'PHP-5.5' into PHP-5.6

* PHP-5.5:
  update news
  add CVE
  add missing test file
  Fix bug #68594 - Use after free vulnerability in unserialize()

Conflicts:
	ext/standard/var_unserializer.c
Merge branch 'PHP-5.6'

* PHP-5.6:
  update news
  add CVE
  add missing test file
  Fix bug #68594 - Use after free vulnerability in unserialize()

Conflicts:
	ext/standard/var_unserializer.c
	ext/standard/var_unserializer.re
add more BC breaks
5.4.37
add NEWS entry for #68594
Merge branch 'PHP-5.6'

* PHP-5.6:
  add NEWS entry for #68594
Updated or skipped certain 32-bit tests
Merge branch 'zppFailOnOverflow'

* zppFailOnOverflow:
  Updated or skipped certain 32-bit tests
add missing NEWS entry
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  add missing NEWS entry
  5.4.37

Conflicts:
	configure.in
	main/php_version.h
add missing NEWS entry
Merge branch 'PHP-5.5' into PHP-5.6

* PHP-5.5:
  add missing NEWS entry
  add missing NEWS entry
  5.4.37
Merge branch 'PHP-5.6'

* PHP-5.6:
  add missing NEWS entry
  add missing NEWS entry
  5.4.37