Fixed bug #66474 (Optimizer bug in constant string to boolean conversion)
Merge branch 'PHP-5.5' into PHP-5.6

* PHP-5.5:
  Fixed bug #66474 (Optimizer bug in constant string to boolean conversion)

Conflicts:
	NEWS
Merge branch 'PHP-5.6'

* PHP-5.6:
  Fixed bug #66474 (Optimizer bug in constant string to boolean conversion)
further writing on PECL_PORTING
Merge remote-tracking branch 'origin/master' into str_size_and_int64

* origin/master:
  Fixed bug #66474 (Optimizer bug in constant string to boolean conversion)
move common code into a function
Merge branch 'master' of git.php.net:php-src
more on porting
ws and some note corrections
added ptrdiff_t notes and some other porting doc improvements
Merge remote-tracking branch 'origin/master' into str_size_and_int64

Conflicts:
	ext/mysqlnd/mysqlnd_ps_codec.c