This bug fix was cherry picked into 7.4.6

Fixed historical dates in NEWS

7.3.20 will be next

PGSQL and POD_SQL: don't include pg_config.h

Even if that header file is available, we better consider it private,
and don't include it. The information about whether SSL support is

PGSQL and POD_SQL: don't include pg_config.h

Even if that header file is available, we better consider it private,
and don't include it. The information about whether SSL support is
enabled is now missing (`USE_(OPEN)SSL`), and it seems there is no
alternative way to get it (`PQinitSSL()` is always defined), so we
remove it from the PHP info. Furthermore, the `PG_VERSION` and
`PG_VERSION_STR` macros are no longer available, but as of libpq 9.1
there is `PQlibVersion()` which allows us to construct `PG_VERSION` in
a most likely backwards compatible manner. The additional information
available through `PG_VERSION_STR` is lost, though, so we define
`PGSQL_LIBPQ_VERSION_STR` basically as alias of `PGSQL_LIBPQ_VERSION`,
and deprecate it right away.

Since we are now requiring at least libpq 9.1, we can remove some
further compatibility code and additional checks.

Regarding the raised requirements: official support for PostGreSQL 9.0
ended on 2015-10-08, and even CentOS 7 already has PostGreSQL 9.2, so
this is not supposed to be too much of an issue.

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Revert "Fix #79595: zend_init_fpu() alters FPU precision"

This reverts commit 88dfc475c5937822399843e8aed9b98a36a01813.

Raise ext/pgsql requirements to PostGreSQL 7.4

We can safely assume that users have at the very least libpq 7.4, for
which official support ended on 2010-10-01; even CentOS 6 has 8.4 now

Raise ext/pgsql requirements to PostGreSQL 7.4

We can safely assume that users have at the very least libpq 7.4, for
which official support ended on 2010-10-01; even CentOS 6 has 8.4 now.
It is also noteworthy that PDO_PGSQL already requires libpq 7.4 or
later.

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Fix #79595: zend_init_fpu() alters FPU precision

On startup, PHP deliberately changes the floating point control word to
enforce binary64 format for the calculations for best consistency

Fix #79595: zend_init_fpu() alters FPU precision

On startup, PHP deliberately changes the floating point control word to
enforce binary64 format for the calculations for best consistency
across platforms. However, this is unnessary when compiling under
`__SSE__`, because in this case the x87 instructions are not used.
Therefore, we can skip the modification, which has the benefit that
system libraries are free to work in the mode of their liking.

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Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
Fix #79615: Wrong GIF header written in GD GIFEncode

Fix #79615: Wrong GIF header written in GD GIFEncode

The color resolution is expected in bits 4-6 of the packed fields byte
of the logical screen descriptor (byte 10 of the GIF data stre

Fix #79615: Wrong GIF header written in GD GIFEncode

The color resolution is expected in bits 4-6 of the packed fields byte
of the logical screen descriptor (byte 10 of the GIF data stream),
according to the specification[1], section 18.

[1] <https://www.w3.org/Graphics/GIF/spec-gif89a.txt>

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Fix bug #79603, by retrying on RTD key collision

This is a non-intrusive fix for 7.4, still trying to find a good
solution for master.

Closes GH-5597.

Add support for replaying warnings in opcache

If opcache.record_warnings is enabled, opcache will record
compilation warnings and replay them when the file is included
again. The pri

Add support for replaying warnings in opcache

If opcache.record_warnings is enabled, opcache will record
compilation warnings and replay them when the file is included
again. The primary use case I have in mind for this is automated
testing of the opcache file cache.

This resolves bug #76535.

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Fixed bug #79600

Missed unsetting of DO_INIT in one case.

fixed typo of bug id (#79599)

Fixed bug #97599 (coredump in set_error_handler)

Fix #79596: MySQL FLOAT truncates to int some locales

We must not do locale aware float to string conversion here; instead
we using our `snprintf()` implementation with the `F` specifier.

Revert "doc for enchant Object move"

This reverts commit 2c63324a4eabf3f8bdf9585c8dae4527dca2e41f.

doc for enchant Object move

Fixed #79582 (Crash seen when opcache.jit=1235 and opcache.jit_debug=2)

Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
Fix #79588: Boolean opcache settings ignore on/off values

Fix #79588: Boolean opcache settings ignore on/off values

We should display boolean INI settings as boolean.

Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
Fix #79489: .user.ini does not inherit

Fix #79489: .user.ini does not inherit

On Windows, PATH_TRANSLATED may contain backslashes as well as slashes,
so we must not only check for `DEFAULT_SLASH`.

[ci skip] Update NEWS

Fix #79571: FFI: var_dumping unions may segfault

We must not attempt to access arbitrary union members when retrieving
debug info, because that may not be valid. Therefore we do no long

Fix #79571: FFI: var_dumping unions may segfault

We must not attempt to access arbitrary union members when retrieving
debug info, because that may not be valid. Therefore we do no longer
dereference pointer types inside of unions, but report their address as
string in `%p` format instead.

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Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
Fix #79566: Private SHM is not private on Windows