- MFH: #39538, fgetcsv can't handle starting newlines and trailing odd
number of backslashes (David Soria Parra, Pierre)

MFH: fix #39576 (array_walk() doesn't separate userdata zval)

Fixed bug #38770 (unpack() broken with longs on 64 bit machines).

COM initialization/deinitialization are done only if necessary

- MFH: #39217, serialNumber might be -1 when the value is too big

Fixed bug #37773 (iconv_substr() gives "Unknown error" when string length =
1").

Fixed bug #39445 (Calling debug_backtrace() in the __toString() function produces a crash)

Added missing object support to file_put_contents().

Bundled lib upgrade

cgi.* and fastcgi.* directives are moved to INI subsystem. The new directive cgi.check_shebang_line can be used to ommiting checnk for "#! /usr/bin/php" line.

Fixed bug #36812 (pg_execute() modifies input array).

Fixed bug #36644 (possible crash in variant_date_from_timestamp()).

Optimized array functions utilizing php_splice().

MFH: Fixed bug#36975 (natcasesort() causes array_pop() to misbehave)

- Fix typo

Fixed bug #39454 (Returning a SOAP array segfaults PHP)

stat() is reimplemented using using GetFileAttributesEx().
The new implementation is faster then implementation in MS VC CRT, but it doesn't support Windows 95.

Removed unnecessary ftell() calls (one call for each included PHP file)

Disabled reading from stream (calls to read()) after EOF

VCWD_REALPATH() is improved to use realpath cache without VIRTUAL_DIR

Intialization code is moved from request startup to module startup

Start timiout thread on Windows only if necessary

Implemented registry cache that prevent registry lookup on each request. In case of modification of corresponding registry-tree PHP will reload it automatic.

opendir() is reimplemented using GetFistFile/GetNextFile those are faster then _findfirst/_findnext

Removed unnecessary checks for ISREG file and corresponding stat() calls on Windows