Fixed whitespace part of bug #64874 ("json_decode handles whitespace and case-sensitivity incorrectly")
added use_keys argument to array_filter()
forgot introspection changes
fixed test case to pass on other systems than my own
added bitmask variation
Using only two constants to signal use type intent.
Better test: Check combined leading/trailing
Merge branch 'PHP-5.4' into JSONWhitespaceFix
UPGRADING and NEWS
initial move on renaming files and fixing includes
applied and fixed the original patch

initial work on the patch import done
preserve the error code

otherwise it'd be cleared by a subsequent calls
fixed all the places where last error could be lost

whereby this commit should be applied to master anyway
updated NEWS
fixed virtual cwd header in phar
fixed invalid free
moved to do_alloca() usage where appropriate
enabled windows to use stack in both ts/nts mode, some more fixes
remove "PHP 6" staff
Merge branch 'PHP-5.4' of git.php.net:php-src into PHP-5.4