Sync HAVE_<extension> help texts (#15167)

This syncs all help texts of extension preprocessor macros to the same
style "Define to 1 if the PHP extension '<ext>' is available.".
[skip

Sync HAVE_<extension> help texts (#15167)

This syncs all help texts of extension preprocessor macros to the same
style "Define to 1 if the PHP extension '<ext>' is available.".
[skip ci]

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Drop support for OpenSSL < 1.1.0 on Windows

PR #13498 bumped the required OpenSSL version to 1.1.1, but apparently
only for non Windows system. We catch up somewhat by dropping support

Drop support for OpenSSL < 1.1.0 on Windows

PR #13498 bumped the required OpenSSL version to 1.1.1, but apparently
only for non Windows system. We catch up somewhat by dropping support
for OpenSSL < 1.1.0 on Windows; besides completely removing detection
of old OpenSSL versions in `SETUP_OPENSSL`, we also ensure that all
bundled extension using this function do no longer accept OpenSSL <
1.1.0, to avoid to still be able to build these extensions with older
`phpize` scripts.

We do not cater to `--phar-native-ssl` yet; that might better be
addressed by #14578.

Closes GH-14973.

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Autotools: Refactor curl config.m4 (#14948)

- CS synced
- When checking for libcurl linked against old OpenSSL the LIBS can be
used instead of LDFLAGS to put -lcurl to proper place

Autotools: Refactor curl config.m4 (#14948)

- CS synced
- When checking for libcurl linked against old OpenSSL the LIBS can be
used instead of LDFLAGS to put -lcurl to proper place. Also, flags
manipulation variables are wrapped in the AC_CACHE_CHECK commands
because there is also OpenSSL setup done later in the code which
changes LDFLAGS, LIBS and/or CFLAGS.
- CFLAGS added to the check to have edge case of -I flags of custom
installation paths taken into consideration
- All macro arguments quoted
- SSL check simplified a bit
- The HAVE_CURL symbol help text synced

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ext/curl: Cleanup `config.w32` to remove superfluous checks and outdated comments (#13684)

- Remove a check for an always-true curl version check
- Remove a `TODO` comment for curl_versi

ext/curl: Cleanup `config.w32` to remove superfluous checks and outdated comments (#13684)

- Remove a check for an always-true curl version check
- Remove a `TODO` comment for curl_version_info check that should be always available since libcurl 7.10

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Allow PHP_CURL_APIs to be imported by DLLs

Closes GH-6438.

Private/public split curl header

To allow exporting the php_curl.h header containing curl class
entries, split off a separate curl_private.h header with all the
implementation detail

Private/public split curl header

To allow exporting the php_curl.h header containing curl class
entries, split off a separate curl_private.h header with all the
implementation details.

We may move or expose additional APIs in php_curl.h on an as-needed
basis.

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Clean up curl openssl check

Only set HAVE_CURL_OPENSSL flag, and remove Windows specific code,
as all of this is only relevant for OpenSSL < 1.1, which is not
used on Windows.

Remove unused defines

Used in php-src the past and today removed and not used anymore:
- HAVE_CURL_EASY_STRERROR
- HAVE_CURL_MULTI_STRERROR
- HAVE_NEW_MIME2TEXT
- HAVE_MBSTR_

Remove unused defines

Used in php-src the past and today removed and not used anymore:
- HAVE_CURL_EASY_STRERROR
- HAVE_CURL_MULTI_STRERROR
- HAVE_NEW_MIME2TEXT
- HAVE_MBSTR_CN
- HAVE_MBSTR_JA
- HAVE_MBSTR_KR
- HAVE_MBSTR_RU
- HAVE_MBSTR_TW

Part of oniguruma which doesn't use these anymore
- NOT_RUBY
- HAVE_STDARG_PROTOTYPES

Unused:
- HAVE_MPIR

Closes GH-4427

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Trim trailing whitespace in source code files

Sync with recent changes to default libcurl build

Remove unused Git attributes ident

The $Id$ keywords were used in Subversion where they can be substituted
with filename, last revision number change, last changed date, and last
use

Remove unused Git attributes ident

The $Id$ keywords were used in Subversion where they can be substituted
with filename, last revision number change, last changed date, and last
user who changed it.

In Git this functionality is different and can be done with Git attribute
ident. These need to be defined manually for each file in the
.gitattributes file and are afterwards replaced with 40-character
hexadecimal blob object name which is based only on the particular file
contents.

This patch simplifies handling of $Id$ keywords by removing them since
they are not used anymore.

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move various places to the centralized OpenSSL setup routine

Fixed bug #71227 Can't compile php_curl statically

Fix curl build on windows

Remove curl wrappers

Implement fix for bug #46439 - add CURLFile class for safer uploads

Remove dead code
# curl_version_info was introduced in 7.10 and the PHP requirement is 7.10.5

Clean / Improve the curl extension
# NEWS file will come soon

Revert commit r319729 until I have a clean version for non-ZTS

Implemented FR #55540, added functions curl_share_init(), curl_share_setopt() and curl_share_close().

- simplify and use PHP_CURL

- c/p error

- MFB:
- update check for libs
- add HAVE_CURL_EASY_STRERROR, HAVE_CURL_MULTI_STRERROR, HAVE_CURL_VERSION_INFO

- new naming and allow libcurl static build
- c/p error for zlib

- fix zlib detection (shared/static) and add zlib_a support