Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
Fix #79413: session_create_id() fails for active sessions

Fix #79413: session_create_id() fails for active sessions

The comment on `PS_VALIDATE_SID_FUNC(files)` is very clear that the
function is supposed to return `SUCCESS` if the session alre

Fix #79413: session_create_id() fails for active sessions

The comment on `PS_VALIDATE_SID_FUNC(files)` is very clear that the
function is supposed to return `SUCCESS` if the session already exists.
So to detect a collision, we have to check for `SUCCESS`, not
`FAILURE`.

We also fix the wrong condition in session_regenerate_id() as well.

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Fix #74940: DateTimeZone loose comparison always true

Since `DateTimeZone` does not implement a `compare_objects` handler,
nor has any properties, two `DateTimeZone` instances always com

Fix #74940: DateTimeZone loose comparison always true

Since `DateTimeZone` does not implement a `compare_objects` handler,
nor has any properties, two `DateTimeZone` instances always compare as
being equal, even if they designate totally different timezones. Even
worse, after calling `var_dump()` on these objects, the actual
comparison may yield a correct result.

We therefore introduce a `compare_objects` handlers, which prevents
different behavior before/after `var_dump()`, and which allows us to
clearly define the intended semantics.

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Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
Fix #79427: Integer Overflow in shmop_open()

Fix #79427: Integer Overflow in shmop_open()

If `shm.shm_segsz > ZEND_LONG_MAX` the assignment to `shmop->size` a
few lines below would overflow, so we catch that early and bail out if

Fix #79427: Integer Overflow in shmop_open()

If `shm.shm_segsz > ZEND_LONG_MAX` the assignment to `shmop->size` a
few lines below would overflow, so we catch that early and bail out if
necessary.

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Allow numeric [UG]ID in FPM listen.{owner,group}

NEWS

Fix #79424 ext/zip: don't use gl_pathc after call to globfree

This breaks on Linux with the musl libc, since it zeroes out gl_pathc during
globfree.

Fix #76999: mb_regex_set_options() return current options

When setting new options, `mb_regex_set_options()` is supposed to
return the *previous* options.

Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
Fixed bug #79412 (Opcache chokes and uses 100% CPU on specific script).

Fixed bug #79412 (Opcache chokes and uses 100% CPU on specific script).

Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
Fix bug #79410 (system() swallows last chunk if it is exactly 4095 bytes without newline)

Fix bug #79410 (system() swallows last chunk if it is exactly 4095 bytes without newline)

Closes GH-5292.

Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
Fix #79200: Some iconv functions cut Windows-1258

Fix #79200: Some iconv functions cut Windows-1258

To cater to potentially state-dependent encodings, we have to reset the
conversion descriptor into its initial shift state to properly f

Fix #79200: Some iconv functions cut Windows-1258

To cater to potentially state-dependent encodings, we have to reset the
conversion descriptor into its initial shift state to properly finish
the conversion. Furthermore, state-dependent encodings may not show
progress when comparing `in_left` before and after the conversion; we
rather have to see whether `out_left` has decreased. Also we have to
cater to the fact that the final potentially state resetting call does
not signal failure, but we still have to break respective loops
afterwards.

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Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
Fix #79393: Null coalescing operator failing with SplFixedArray

Fix #79393: Null coalescing operator failing with SplFixedArray

We favor the KISS principle over optimization[1] – SPL is already
special enough.

[1] <https://github.com/php/php

Fix #79393: Null coalescing operator failing with SplFixedArray

We favor the KISS principle over optimization[1] – SPL is already
special enough.

[1] <https://github.com/php/php-src/pull/2489/commits/352f3d4476a79bb86136b431719df7394e5a8d4e#r112498098>ff

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NEWS

NEWS

Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
Fix #79396: DateTime hour incorrect during DST jump forward

Fix #79396: DateTime hour incorrect during DST jump forward

When you attempt to set the time to a non-existent time occuring during
a DST jump forward, the hour does not move forward cor

Fix #79396: DateTime hour incorrect during DST jump forward

When you attempt to set the time to a non-existent time occuring during
a DST jump forward, the hour does not move forward correctly.

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bump zp to 1.18.1 + doc

Drop support for iconv without proper errno setting

It is hard to impossible to work around iconv() implementations which
do not properly set errno according to POSIX. We therefore do n

Drop support for iconv without proper errno setting

It is hard to impossible to work around iconv() implementations which
do not properly set errno according to POSIX. We therefore do no
longer allow to build against such iconv() implementations.

Co-Authored-By: Nikita Popov <nikita.ppv@googlemail.com>

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Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
Fix NEWS

Merge branch 'PHP-7.2' into PHP-7.3

* PHP-7.2:
Fix NEWS