PHP_MD5_CTX is now always used due to fix for #71204

Fixed bug #71024 Unable to use PHP 7.0 x64 side-by-side with PHP 5.6 x32 on the same server

Space

Fixed bug #70977, #70973 (Segmentation fault with opcache.huge_code_pages=1)

Break dependency between opcache and optimizer. Remove copatibility macros.

Don't remap .text segment if huge pages are not available.

Fixed bug #70656 (require() statement broken after opcache_reset() or a few hours of use)

Revert "Fixed bug #70656 (require() statement broken after opcache_reset() or a few hours of use)"

This reverts commit 3ef96c2cc6f3a1dddd8479e6c733f44e8dbcb5e9.

Fixed bug #70656 (require() statement broken after opcache_reset() or a few hours of use)

Fixed bug #70724 (Undefined Symbols from opcache.so on Mac OS X 10.10)

Implemented file_cache_fallback mechanism

which is essential as an attempt to fix the "failed to reattach"
error on Windows. If file_cache is enabled, Opcache will
automaticaly switc

Implemented file_cache_fallback mechanism

which is essential as an attempt to fix the "failed to reattach"
error on Windows. If file_cache is enabled, Opcache will
automaticaly switch to file_cache_only mode in the case a process
failed to map the shared segment at the required address. The
important small part of the SHM will still be mapped, which
allows information exchange between normal processes using SHM
and those using the fallback mechanism.

This is based on Dmitry's, Matt's and mine ideas. So many thanks for
support!

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fix incrementing on 32-bit

fix incrementing on 32-bit

don't keep locked mutex after errors

move accel_shared_globals assignment into locked block

this might fix crashes under high concurrency

Use shorter php.ini directive name "opcache.huge_code_pages" and disable it by default.

Removed useless include

Use memcpy() instead of mmap() to keep modifyed code (e.g. gdb breakpoints)

Added an experemental ability to move PHP code pages (PHP TEXT segment) into HUGE pages.
PHP should be configured and built with --enable-huge-code-pages, OS should be configured to provide huge

Added an experemental ability to move PHP code pages (PHP TEXT segment) into HUGE pages.
PHP should be configured and built with --enable-huge-code-pages, OS should be configured to provide huge pages.
It's possible to enable/disable this future in php.ini through opcache.enable_huge_code_pages=0/1.
The feature was tested on Linux and provided 2% improvement on real-life apps, because of 2-3 times reduction in number of iTLB misses.

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Fixed possible caching with invalid key value

Fixed segfault if opcache is disabled and with file_cache

Disable opcache.fast_shutdown if USE_ZEND_ALLOC=0

Use ZSTR_ API to access zend_string elements (this is just renaming without semantick changes).

Improved zend_string API (Francois Laupretre)

Squashed commit of the following:

commit d96eab8d79b75ac83d49d49ae4665f948d15a804
Author: Francois Laupretre <francois@tekwire.net>

Improved zend_string API (Francois Laupretre)

Squashed commit of the following:

commit d96eab8d79b75ac83d49d49ae4665f948d15a804
Author: Francois Laupretre <francois@tekwire.net>
Date: Fri Jun 26 01:23:31 2015 +0200

Use the new 'ZSTR' macros in the rest of the code.

Does not change anything to the generated code (thanks to compat macros) but cleaner.

commit b3526439104ac7a89a8e0c79dbebf33b22bd01b8
Author: Francois Laupretre <francois@tekwire.net>
Date: Thu Jun 25 13:45:06 2015 +0200

Improve zend_string API

Add missing methods

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Add phpdbg to allowed cli-SAPIs in opcache