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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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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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.

Typed constants in Intl extenstion (#12360)

Revert "Merge branch 'PHP-8.2'"

This reverts commit 45a3f178dc226b69f5d72f10285bc2ad139b2c1c, reversing
changes made to b2a54bc6af4bf645b5bb2601621c12b31bfbff0c.

Merge branch 'PHP-8.2'

* PHP-8.2:
Fix GH-9967 Add support for generating custom function, class const, and property attributes in stubs

Closes GH-10170

Declare ext/intl constants in stubs - part 12 (#9282)

Fix GH-7939: Cannot unserialize IntlTimeZone objects

As it is now, `IntlTimeZone`, `IntlCalendar` and `IntlDateFormatter`
and some other intl class instances can be serialized, but the

Fix GH-7939: Cannot unserialize IntlTimeZone objects

As it is now, `IntlTimeZone`, `IntlCalendar` and `IntlDateFormatter`
and some other intl class instances can be serialized, but the
representation is meaningless, and unserialization yields uninitialized/
unusable objects. To prevent users from noticing this too late, we deny
serialization of such objects in the first place.

Closes GH-7945.

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Declare tentative return types for ext/intl (#6986)

Improve class entry generation

Related to GH-6701

Generate ext/intl class entries from stubs

Closes GH-6670

Verify parameter names of function aliases

Closes GH-6335

Improve parameter names in ext/intl

Closes GH-6309

Add more precise type info for stubs

Closes GH-6005

Add another round of missing parameter types to stubs

Closes GH-5950

Include stub hash in generated arginfo files

The hash is used to check whether the arginfo file needs to be
regenerated. PHP-Parser will only be downloaded if this is actually
necess

Include stub hash in generated arginfo files

The hash is used to check whether the arginfo file needs to be
regenerated. PHP-Parser will only be downloaded if this is actually
necessary.

This ensures that release artifacts will never try to regenerate
stubs and thus fetch PHP-Parser, as long as you do not modify any
files.

Closes GH-5739.

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Fix some UNKNOWN default values

In ext/ffi, ext/intl, ext/mysqli, and ext/pcntl

Generate method entries for ext/intl

Closes GH-5370

Store default parameter values of internal functions in arg info

Closes GH-5353. From now on, PHP will have reflection information
about default values of parameters of internal function

Store default parameter values of internal functions in arg info

Closes GH-5353. From now on, PHP will have reflection information
about default values of parameters of internal functions.

Co-authored-by: Nikita Popov <nikita.ppv@gmail.com>

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Do not include the same stub multiple times

Closes GH-5322

Throw exception for unconstructed intl objects

Closes GH-5052

Add union return types with one class

Add union return types for function stubs