.github/workflows/push.yml: enable ccache

This reduces the LINUX_X64_RELEASE_ZTS build time from 9-10 minutes to
less than 3 minutes.

Closes GH-10395

Add nightly for GitHub actions

Add dependency tracking for header files

This ensures all .c files which include a header file directly or
indirectly are rebuilt whenever the header file is changed.

Closes GH-

Add dependency tracking for header files

This ensures all .c files which include a header file directly or
indirectly are rebuilt whenever the header file is changed.

Closes GH-6693.

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Remove more leftovers of PHP_DEFINE handling

Move gen_stub.php to build directory and install it so phpize can take care of it, and thus extension can use it as it is already in Makefile

Fix #78880: Final spelling fixes

Fix #78880: Yet another batch of spelling errors

Replace fakemail with minimal PHP script

Unify mail related tests for *nix and Windows

Currently mail related tests are split for *nix and Windows (if there
are even Windows versions). The basic difference is that the *nix

Unify mail related tests for *nix and Windows

Currently mail related tests are split for *nix and Windows (if there
are even Windows versions). The basic difference is that the *nix
variants set the INI directive sendmail_path to just write the email to
disk, while the Windows tests use ext/imap. The latter tests are way
more verbose, and such duplicated tests are generally a pain point.
Furthermore, the Windows tests are much slower, and could not be run
without ext/imap being available.

We therefore introduce a small fakemail application, which basically
works like `tee <path> >/dev/null`, and which will be shipped with the
Windows tests packs. fakemail.exe would also need to be added to the
PHP binary SDK, so these tests could be run during developments.

To cater to the remaining differences, we also introduce support for
`{MAIL:<path>}` placeholders in the INI sections to run-tests.php. How
to use this can be seen in mail_basic.phpt, which is currently the only
modified test case, because these tests are yet supposed to fail on
Windows, due to the missing fakemail.exe in the PHP SDK.

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Fix consistency issues with array accesses warnings/exceptions

* Change a number of "resource used as offset" notices to warnings,
which were previously missed.
* Throw the "res

Fix consistency issues with array accesses warnings/exceptions

* Change a number of "resource used as offset" notices to warnings,
which were previously missed.
* Throw the "resource used as offset" warning for isset() as well.
* Make array_key_exists() behavior with regard to different key
types consistent with isset() and normal array accesses. All key
types now use the usual coercions and array/object keys throw
TypeError.

Closes GH-4887.

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Fix bug #78681 by renaming libphp8.so to libphp.so

The major version number is no longer included.

Azure: Publish code coverage results

* Add an Azure Publish Code Coverage Results task
* Add `make gcovr-html` to generate a gcovr test coverage report in HTML
* Add `make gcovr-xml`

Azure: Publish code coverage results

* Add an Azure Publish Code Coverage Results task
* Add `make gcovr-html` to generate a gcovr test coverage report in HTML
* Add `make gcovr-xml` to generate a gcovr test coverage report in XML
* Remove `test` target dependency from `make lcov-html`;
Run the two targets together instead: `make test lcov-html`.

Re: https://github.com/php/php-src/pull/4739#issuecomment-534911441

See: https://externals.io/message/107113,
https://docs.microsoft.com/en-us/azure/devops/pipelines/tasks/test/publish-code-coverage-results?view=azure-devops,
and https://github.com/php/php-src/pull/4759.

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Fix GCOV not working for PHP-7.4 and master branches

Code coverage reports (`make lcov`), since commit eef8522 (7.4 branch),
generates incorrect coverage and emits warnings. Simplifying

Fix GCOV not working for PHP-7.4 and master branches

Code coverage reports (`make lcov`), since commit eef8522 (7.4 branch),
generates incorrect coverage and emits warnings. Simplifying the
Makefile.gcov file has the side-effect of resolving the issue.

Processing sapi/cli/php_http_parser.gcda
php-src/lcov_data/sapi/cli/php_http_parser.gcda:stamp mismatch with notes file
geninfo: WARNING: gcov did not create any files for php-src/lcov_data/sapi/cli/php_http_parser.gcda!
...
Processing ext/mbstring/mb_gpc.gcda
php-src/lcov_data/ext/mbstring/mb_gpc.gcda:stamp mismatch with notes file
geninfo: WARNING: gcov did not create any files for php-src/lcov_data/ext/mbstring/mb_gpc.gcda!

Closes: https://bugs.php.net/bug.php?id=52718.
See also: https://bugs.php.net/bug.php?id=78288.

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Generate arginfo from PHP stub files

Signature stubs for internal functions are specified in xyz.stub.php,
from which we generate actual arginfo structures in xyz_arginfo.h.
This fil

Generate arginfo from PHP stub files

Signature stubs for internal functions are specified in xyz.stub.php,
from which we generate actual arginfo structures in xyz_arginfo.h.
This file then needs to be included in the implementation appropriately.

Arginfo from stubs can be regenerated using scripts/dev/gen_stub.php.
However, this should also automatically happen when the stub file is
modified.

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Use regedit to register event source

ext/win32std is unmaintained for years, so it is highly unlikely that
it is available. We therefore use regedit instead to register the
event so

Use regedit to register event source

ext/win32std is unmaintained for years, so it is highly unlikely that
it is available. We therefore use regedit instead to register the
event source. We also remove the bundled syslog.reg, since it is of no
use, unless generated for the respective installation.

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Remove some *.dsp/*.dsw leftovers

Usage of this was removed via 4b3e19802385c5874eefd3ba4565f2efbc55dc96

Closes GH-4408

Enhance makedist script

This enhances the makidst script:
- integrate both snapshot and makedist scripts together
- add help and options
- generated files are created in the php-

Enhance makedist script

This enhances the makidst script:
- integrate both snapshot and makedist scripts together
- add help and options
- generated files are created in the php-src repository directly
- other minor enhancemenets such as CS fixes
- functionality moved from the Makefile to only shell script
- Add missed patching of the Zend Parsers to the main build step
- Add all *.tmp files to gitignore

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Remove TSRM configuration header

TSRM configuration header file was once created by separate autoconf
build system for TSRM and is with the current code not directly needed
like this

Remove TSRM configuration header

TSRM configuration header file was once created by separate autoconf
build system for TSRM and is with the current code not directly needed
like this anymore.

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Simplify checking of *nix build tools

The buildmk.stamp file has been created by the *nix build checking step
to run the check step only once. Instead of poluting the project root
di

Simplify checking of *nix build tools

The buildmk.stamp file has been created by the *nix build checking step
to run the check step only once. Instead of poluting the project root
directory, the stamp file can be also omitted. Performance difference is
very minimal to not justify having the stamp check at all today anymore.

This patch integrates the buildcheck.sh to buildconf script directly.

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Move acinclude.m4 to build/php.m4

The acinclude.m4 file is in a usual Autotools build processed with
Automake's aclocal tool. Since PHP currently doesn't use Automake and
aclocal thi

Move acinclude.m4 to build/php.m4

The acinclude.m4 file is in a usual Autotools build processed with
Automake's aclocal tool. Since PHP currently doesn't use Automake and
aclocal this file can be moved into the build directory. PHP build
system currently generates a combined aclocal.m4 file that Autoconf
can processes automatically.

However, a newer practice is writing all local macros in separate
dedicated files prefixed with package name, in PHP's case PHP_MACRO_NAME
and putting them in a common `m4` directory. PHP uses currently `build`
directory for this purpose.

Name `php.m4` probably most resembles such file for PHP's case.

PHP manually created the aclocal.m4 file from acinclude.m4 and
build/libtool.m4. Which is also not a particularly good practice [1], so
this patch also removes the generated alocal.m4 usage and uses
m4_include() calls manually in the configure.ac and phpize.m4 files
manually.

- sort order is not important but can be alphabetical
- list of *.m4 files prerequisites for configure script generation
updated
- Moving m4_include() before AC_INIT also removes all comments starting
with hash character (`#`) in the included files.

[1] https://autotools.io/autoconf/macros.html

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Simplify generated_lists generation

The `generated_lists` file is generated as a helper for build related
Makefile to include a list of *.m4 files prerequisites. When some of
these *

Simplify generated_lists generation

The `generated_lists` file is generated as a helper for build related
Makefile to include a list of *.m4 files prerequisites. When some of
these *.m4 files change, the configure script is regenerated when
buildconf is run. This can be simplified using dynamic environment
variable passed to the Makefile directly so it avoids another file from
being generated in the project root directory and shipping it with the
PHP release or creating a dedicated gitignore rule.

This is portable across all POSIX compatible makes So this patch
includes GNU Make, and everybody elses' make derivative support.

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Remove not needed extension generated files gitignores

These were refactored and moved to build directory via:
2957651c5c2a003e96318fc9217764b91266723a and
7e445ef3b1a197dccbc92f35cb

Remove not needed extension generated files gitignores

These were refactored and moved to build directory via:
2957651c5c2a003e96318fc9217764b91266723a and
7e445ef3b1a197dccbc92f35cb66988b66671841

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[ci skip] Ignore Opcache Jit generated files

Remove php7.spec.in file

RPM specification file was introduced via
7c2f1384d45876bbdef255c4a57301e6406f6964 for PHP to include official
RPM packages long time agon. With removal of t

Remove php7.spec.in file

RPM specification file was introduced via
7c2f1384d45876bbdef255c4a57301e6406f6964 for PHP to include official
RPM packages long time agon. With removal of the makerpm script via
3d51d4c90c77a30a7b88aae7184dcce4b6e26b07 and Linux repositories to
manage such updated and customized info in their repositories this file
is most likely not needed anymore.

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Move Makefile.global and Makefile.gcov to build directory

These files can be stored in the build directory instead of bloating the
project root directory.