Implement FR #53457 (number_format must support more than one character for
thousands separator).

- Implemented bug/request #53427 - stream_select doesn't preserve the
keys. This cannot be backported to PHP 5.3 due to a BC break. See
UPGRADING for more information.

Implemented FR #53407 (make scandir()'s directory sorting optional).

Removed support for break/continue $var syntax

Added multibyte suppport by default. Previosly php had to be compiled with --enable-zend-multibyte. Now it can be enabled or disabled throug zend.multibyte directive in php.ini

- commit missing upgrading note (sqlite removed)

- Added section for build system changes in UPGRADING.INTERNALS

typo

- Added comment about binary SAPIs

Implemented FR #53264 (Add fputcsv method to SplFileObject).

- typo

REQUEST_TIME notes

Implemented FR #53238 (Make third parameter of preg_match_all optional).

- Added ReflectionParameter::canBePassedByValue().

- Added to UPGRADING(.INTERNALS) information about the changes on html.c.
- Added to UPGRADING information about the new class Transliteral, the new
parameter in dns_get_record and the fact

- Added to UPGRADING(.INTERNALS) information about the changes on html.c.
- Added to UPGRADING information about the new class Transliteral, the new
parameter in dns_get_record and the fact that call_user_func_array no longer
allows call-time pass-by-reference.

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Revert for now

* Added PHP_RAND_MAX and PHP_MT_RAND_MAX constants
* Deprecated getrandmax() and mt_getrandmax() in favour of the new constants

# We should promote constants for static data like such in

* Added PHP_RAND_MAX and PHP_MT_RAND_MAX constants
* Deprecated getrandmax() and mt_getrandmax() in favour of the new constants

# We should promote constants for static data like such instead of function calls
# maybe this was just an old left-over

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- Added missing entries related to pdo_dblib

Implement FR #44331 (Formatting option for json_encode). Bikeshedding about the
exact form of the JSON pretty printing and brace handling will only be accepted
in the form of patches. ;)

Implemented FR #49366 (Make slash escaping optional in json_encode()).

- is_link note

- fix index

- remove internals stuff, moved to the INTERNALS guide

- use TSRMLS_CC instead of TSRMLS_FETCH in virtual_file_ex

Implemented request #34857 (Change array_combine behaviour when called with
empty arrays). Patch by Joel Perras <joel.perras@gmail.com>.