fix news. gaps left intentionally..

Improved performance of the implode() function on associated arrays by
200-300%.

Improved performance of str_replace() when doing 1 char to 1 char or 1 char
to many chars replacement by 30-40%.

BFN: - Fixed bug #37720 (merge_php_config scrambles values). (Mike,
pumuckel at metropolis dot de)

Update credits

- Fixed bug #37747 (strtotime segfaults when given "nextyear").

Bug fixing news

Fixed bug #37709 (Possible crash in PDO::errorCode()).

Fixed bug #37705 (Semaphore constants not available).

Fixed bug #35886 (nlopes)

BFN

Fixed bug #37671 (MySQLi extension fails to recognize BIT column).

- Fix bug #37630: MySQL extensions should link against thread safe client libs if built with ZTS

- fix order

- Fixed bug #37363 (PDO_MYSQL does not build if no other mysql extension is
enabled)

spelling corrections

- There was nothing wrong here, bug report #37595 is bogus.
- Added a new test case to demonstrate a longer plain text.

MFH: fix #37595 (mcrypt_generic calculates data length in wrong way)

- Fix typo

- fix bug #37635 (parameter of pcntl signal handler is trashed)

Added memory_get_peak_usage() function for retrieving peak memory usage of
a PHP script.

- MFH: Fixed bug #37616: DATE_RFC822 does not product RFC 822 dates. (Patch by
Hannes Magnusson)

- BFN

- Fixed bug #36949 (invalid internal mysqli objects dtor)

BFN