Added validation of `\n` in $additional_headers of mail()

When $additional_headers of mail() is an array, the same validation as
`\r\n` is now applied to `\n` alone too.

ext/gettext: bind_textdomain_codeset should not accept empty domains.

the man page specifies that for bind_textdomain_codeset, like
bindtextdomain, the domain should not be an empty stri

ext/gettext: bind_textdomain_codeset should not accept empty domains.

the man page specifies that for bind_textdomain_codeset, like
bindtextdomain, the domain should not be an empty string.

close GH-13571

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UPGRADING: Minor adjustments moving items to appropriate sections (#13576)

- Moved curl_version()['feature_list'] to New Features
- Moved NumberFormatter::ROUND_HALFODD to New Features

UPGRADING: Minor adjustments moving items to appropriate sections (#13576)

- Moved curl_version()['feature_list'] to New Features
- Moved NumberFormatter::ROUND_HALFODD to New Features
- Removed contributor names (this pattern only used in the `NEWS` file)
- Removed "Fixed setAttribute and getAttribute" as it is covered in another change record

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Add http_(get|clear)_last_reponse_headers() functions (#12500)

This is to provide an alternative to the $http_response_header magic variable

RFC: https://wiki.php.net/rfc/http-last-

Add http_(get|clear)_last_reponse_headers() functions (#12500)

This is to provide an alternative to the $http_response_header magic variable

RFC: https://wiki.php.net/rfc/http-last-response-headers

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ext/intl: Refactor ResourceBundle get and dimension access (#13503)

Add LIBXML_RECOVER (#13504)

Setting the recovery option by using a hardcoded value (1) worked
already for SimpleXML. For DOM, a small change is necessary because
otherwise the recove

Add LIBXML_RECOVER (#13504)

Setting the recovery option by using a hardcoded value (1) worked
already for SimpleXML. For DOM, a small change is necessary because
otherwise the recover field overwrites the recovery option.

From a quick search on GitHub [1] it looks like this won't clash with
existing PHP code as no one seems to define (or use) a constant with
such a name.

[1] https://github.com/search?q=LIBXML_RECOVER+language%3APHP&type=code&l=PHP

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Add forgotten UPGRADING note for doc comment handling related changes

[skip-ci]

Mark DOMXPath as uncloneable

This never resulted in a working XPath object anyway, as trying to query
or evaluate anything resulted in an "Invalid XPath context" error.
Supporting th

Mark DOMXPath as uncloneable

This never resulted in a working XPath object anyway, as trying to query
or evaluate anything resulted in an "Invalid XPath context" error.
Supporting this is more trouble than it's worth, so just block the clone
operation.

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[ci skip] NEWS and UPGRADING for DOMXPath::quote()

See commit 2f9320c00f.

NEWS / UPGRADING

ext/intl: IntlDateFormatter class removing redundant error message info. (#13465)

Also correcting new IntlChar class constants typos.

[ci skip] NEWS/UPGRADING

ext/curl: Add `feature_info` assoc array to `curl_version()` (#13439)

The `phpinfo()` section of the Curl extension lists individual features
supported by the particular ext-Curl + libcu

ext/curl: Add `feature_info` assoc array to `curl_version()` (#13439)

The `phpinfo()` section of the Curl extension lists individual features
supported by the particular ext-Curl + libcurl build. However, the
`curl_version()` function return values do not indicate the same level of
details.

`curl_version()` has a `protocols` key that returns an array of all protocols
supported by the build. But the `features` key is a bitmask of all the features.
Checking the availability of certain feature requires knowing the corresponding
`CURL_VERSION` constant, and checking the availability of the constant and a
bitmask check for it in the `features` value.

For example, to determine HTTP2 support, it requires evaluating:

```php
defined('CURL_VERSION_HTTP2') && (curl_version()['features'] & CURL_VERSION_HTTP2 === CURL_VERSION_HTTP2)
```

To make feature availability checks more intuitive, this adds a new
`feature_list` key to `curl_version()` output array.

With it, checking for individual features availability is easier, and does
not require inspecting the availability of the `CURL_VERSION` constant and
the `features` key.

```php
!empty(curl_version()['feature_list']['HTTP2']);
```

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Upgrade bundled pcre2lib to 10.43 (#13413)

Add entry on return type of long2ip to NEWS (#13408)

[skip ci] add entry on return type of long2ip to NEWS and to UPGRADING.

ext/ldap: Add LDAP_OPT_X_TLS_PROTOCOL_MAX and LDAP_OPT_X_TLS_PROTOCOL_TLS1_3

close GH-13405.

Clear handler status flag in handler init

Closes GH-13087

Add request_parse_body() function

RFC: https://wiki.php.net/rfc/rfc1867-non-post

This function allows populating the $_POST and $_FILES globals for non-post
requests. This avoid

Add request_parse_body() function

RFC: https://wiki.php.net/rfc/rfc1867-non-post

This function allows populating the $_POST and $_FILES globals for non-post
requests. This avoids manual parsing of RFC1867 requests.

Fixes #55815
Closes GH-11472

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Added DateTime[Immutable]::[get|set]Microseconds (#12557)

* Added DateTime[Immutable]::[get|set]Microseconds

[ci skip] Make UPGRADING bullet points consistent

Implement GH-12908: Show attribute name/class in ReflectionAttribute dump

This is consistent with how many other Reflection classes have a name
field, and it makes debugging easier.

Implement GH-12908: Show attribute name/class in ReflectionAttribute dump

This is consistent with how many other Reflection classes have a name
field, and it makes debugging easier.

Closes GH-12908.
Closes GH-12917.

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Fix GH-12143: Optimize round

Fixed an error in the result due to "pre-rounding" of the round function.

"Pre-rounding" has been abolished and the method of comparing numbers has

Fix GH-12143: Optimize round

Fixed an error in the result due to "pre-rounding" of the round function.

"Pre-rounding" has been abolished and the method of comparing numbers has
been changed.

Closes GH-12268.

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ext/curl: Bump minimum Curl version to >= 7.61.0 (#13259)

Bumps the minimum required libcurl version to 7.61.0.

Please also see #4917, which bumped minimum libcurl version to the cu

ext/curl: Bump minimum Curl version to >= 7.61.0 (#13259)

Bumps the minimum required libcurl version to 7.61.0.

Please also see #4917, which bumped minimum libcurl version to the current >= 7.29.0.
This bumps the minimum requirement to Curl 7.61.0 (released 2018 Sept).

Ubuntu, Debian, RHEL, and RHEL derivatives have major and LTS version bumps this year. Following are the
libcurl-dev/libcurl-devel versions available in the oldest supported (LTS or otherwise) in major OSs.

- Debian buster: [7.64](https://packages.debian.org/buster/libcurl4-openssl-dev)
- Ubuntu 20.04: [7.68](https://packages.ubuntu.com/focal/libcurl-dev)
- CentOS/RHEL 7: 7.29
- RHEL 8/Rocky 8/EL 8: 7.61
- Fedora 38: 7.87

RHEL/CentOS 7 reaches EOL mid 2024, so for PHP 8.4 scheduled towards the end of this year, we can safely
bump the minimum libcurl version.

7.61.0 was selected as the new minimum because RHEL and derivatives have libcurl-devel version 7.61. RHEL 8 is
a current and supported RHEL version.

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Remove ext/imap — it has been moved to PECL (#13190)

* Remove ext/imap — it has been moved to PECL

https://pecl.php.net/package/imap

* Remove files related to IMAP

Remove ext/imap — it has been moved to PECL (#13190)

* Remove ext/imap — it has been moved to PECL

https://pecl.php.net/package/imap

* Remove files related to IMAP

* Remove IMAP CI files and set up

* Also disable IMAP on Circle CI

* Update CREDITS file

* Remove IMAP entry from CODEOWNERS

* Revert "Remove files related to IMAP"

This reverts commit a05ffd6c973001f9c3540dbf04b3a9f9797f3acc.

* Mark IMAP is being removed

* Revert "Remove IMAP CI files and set up"

This reverts commit 82e5ba991044222c5c90c7c53ca0adcf3bde3359.

* Revert "Also disable IMAP on Circle CI"

This reverts commit e83827b0b23805ae2571241e472e433b9dc7539f.

* Don't try to build imap extension with CI

* Restore test setup files

* Remove mention of imap in labeler, EXTENSIONS, and sample php.ini files

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ext/openssl: Add X509 purpose constants.

- X509_PURPOSE_OCSP_HELPER.
- X509_PURPOSE_TIMESTAMP_SIGN.
- Also X509_PURPOSE_ANY is ok since 1.0.1+

Close GH-13149