Close GH-16659: Bump ICU requirement to ICU >= 57.1

This requirements bump should rarely affect anybody in practice. All
major distros already ship more recent ICU versions, and even fo

Close GH-16659: Bump ICU requirement to ICU >= 57.1

This requirements bump should rarely affect anybody in practice. All
major distros already ship more recent ICU versions, and even for
Solaris 11, ICU 57.1 is available via OpenCSW. Note that ICU 57.1 has
been released on 2016-03-23[1].

[1] <https://icu.unicode.org/download/57>

Closes GH-16688.

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Rename `ZEND_STR_DEPRECATED` to `ZEND_STR_DEPRECATED_CAPITALIZED` (#15831)

To match other capitalized strings like `ZEND_STR_UNKNOWN_CAPITALIZED` and
`ZEND_STR_ARRAY_CAPITALIZED`. Since

Rename `ZEND_STR_DEPRECATED` to `ZEND_STR_DEPRECATED_CAPITALIZED` (#15831)

To match other capitalized strings like `ZEND_STR_UNKNOWN_CAPITALIZED` and
`ZEND_STR_ARRAY_CAPITALIZED`. Since this known string was only added in PHP
8.4, no backwards compatibility alias is needed.

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Generated arginfo header files: combine preprocessor conditional blocks (#15736)

When functions' or class methods' availability is based on some preprocessor
condition, the generated arg

Generated arginfo header files: combine preprocessor conditional blocks (#15736)

When functions' or class methods' availability is based on some preprocessor
condition, the generated arginfo header files wrap the declarations in the
preprocessor `#if` conditional blocks, one per declaration, even if they are in
the same conditional block based on comments in the stub file. Instead of
having multiple conditional blocks one after the other with the same condition,
combine them into a single conditional block.

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Generated arginfo header files: remove empty zend_function_entry arrays (#15705)

When a class (or enum) has no methods, rather than using an array that only
contains `ZEND_FE_END`, use `

Generated arginfo header files: remove empty zend_function_entry arrays (#15705)

When a class (or enum) has no methods, rather than using an array that only
contains `ZEND_FE_END`, use `NULL` for the functions. The implementation of
class registration for internal classes, `do_register_internal_class()` in
zend_API.c, already skips classes where the functions are `NULL`. By removing
these unneeded arrays, we can reduce the size of the header files, while also
removing an unneeded call to zend_register_functions() for each internal class
with no extra methods.

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Fix registration of internal readonly child classes (#15459)

Currently, internal classes are registered with the following code:

INIT_CLASS_ENTRY(ce, "InternalClass", class_Internal

Fix registration of internal readonly child classes (#15459)

Currently, internal classes are registered with the following code:

INIT_CLASS_ENTRY(ce, "InternalClass", class_InternalClass_methods);
class_entry = zend_register_internal_class_ex(&ce, NULL);
class_entry->ce_flags |= ...;

This has worked well so far, except if InternalClass is readonly. It is because some inheritance checks are run by zend_register_internal_class_ex before ZEND_ACC_READONLY_CLASS is added to ce_flags.

The issue is fixed by adding a zend_register_internal_class_with_flags() zend API function that stubs can use from now on. This function makes sure to add the flags before running any checks. Since the new API is not available in lower PHP versions, gen_stub.php has to keep support for the existing API for PHP 8.3 and below.

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Replace `@deprecated` by `#[\Deprecated]` for internal functions / class constants (#14750)

Co-authored-by: Gina Peter Banyard <girgias@php.net>
Co-authored-by: Niels Dossche <7771979+ni

Replace `@deprecated` by `#[\Deprecated]` for internal functions / class constants (#14750)

Co-authored-by: Gina Peter Banyard <girgias@php.net>
Co-authored-by: Niels Dossche <7771979+nielsdos@users.noreply.github.com>

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Add grapheme_str_split function

I noticed that PHP does not have a grapheme cluster based str_split function.
So I created the grapheme_str_split function.

This feature will all

Add grapheme_str_split function

I noticed that PHP does not have a grapheme cluster based str_split function.
So I created the grapheme_str_split function.

This feature will allow you to correctly handle emoji
and variable selectors.

Co-authored-by: Ayesh Karunaratne <Ayesh@users.noreply.github.com>

Close GH-13580

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Declare the missing true return types (#13709)

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

Implement "support doc comments for internal classes and functions" (#13266)

Fixes #13130

ext/intl: Timezone::getIanaID method addition.

returns the primary IANA zone ID from the provided timezone ID.
Most of the time, timezone ID==IANA ID.
available from icu >= 74.

ext/intl: Timezone::getIanaID method addition.

returns the primary IANA zone ID from the provided timezone ID.
Most of the time, timezone ID==IANA ID.
available from icu >= 74.

Close GH-13419.

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Do not generate frameless info items when func info generation is disabled

While here, I fixed newlines around arginfo and function entry generation. Previously, newlines were repeated.

Calling IntlGregorianCalendar::__construct() with more than 2 arguments and intlgregcal_create_instance()

Deprecate calling IntlCalendar::set() with more than 2 arguments and intlcal_set()

Narrow bool return types to true when possible

ext/intl: dateformatter settimezone changes on success, returning true like setcalendar.

Closes GH-10790

Do not generate CONST_CS when registering constants (#9439)

Declare ext/intl constants in stubs - part 14 (#9387)

Declare ext/intl constants in stubs - part 2 (#9219)

Add more specific array return type hints for various extensions - part 2

ext/ftp, ext/gmp, ext/intl

Closes GH-7433

Merge branch 'PHP-8.0' into PHP-8.1

* PHP-8.0:
Fix default value of $flags in idn_to_ascii() and idn_to_utf8()

Fix default value of $flags in idn_to_ascii() and idn_to_utf8()

Merge branch 'PHP-8.0'

* PHP-8.0:
Declare a few missing function return types

Declare a few missing function return types

Closes GH-7395

Remove null return type from msgfmt_parse_message()

This doesn't seem to possible. Only false is returned on failure.