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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PHP 8.4 | Exit as function: fix incorrect parameter name (#15433)

Follow up on 13483

As previously reported in https://github.com/php/php-src/pull/13483#discussion_r1718546927:

PHP 8.4 | Exit as function: fix incorrect parameter name (#15433)

Follow up on 13483

As previously reported in https://github.com/php/php-src/pull/13483#discussion_r1718546927:

> The parameter names seem to be incorrect.
>
> It should be `$status`, not `$code`.
>
> The RFC explicitly uses that parameter name in the proposal: https://wiki.php.net/rfc/exit-as-function#proposal
>
> It is also the name already used in the [manual](https://www.php.net/exit).
>
> Lastly, the parameter name `$status` better covers what can be passed: either a status _message_ or a status _code_.
> While `$code` would read pretty weird when passing a message:
> ```php
> exit(code: 'message');
> ```

This commit attempts to fix this.

Includes adding a test for exit/die using a named argument.

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

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[RFC] Convert exit (and die) from language constructs to functions (#13483)

RFC: https://wiki.php.net/rfc/exit-as-function

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

Fixes #13130

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.

Implement stackless internal function calls

Co-authored-by: Dmitry Stogov <dmitry@zend.com>

Closes GH-12461

Make return type of trigger_error() and user_error() true (#13169)

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

Fix gc_status type info

Closes GH-11722

Revert "Merge branch 'PHP-8.2'"

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

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

Add four extra fields to gc_status() (#9336)

- running: true if garbage collection is currently running
- protected: true if the garbage collector is protected and root
additions a

Add four extra fields to gc_status() (#9336)

- running: true if garbage collection is currently running
- protected: true if the garbage collector is protected and root
additions are forbidden
- full: true if the garbage collector buffer size exceeds GC_MAX_BUF_SIZE
- buffer_size: current garbage collector buffer size

Documentation for existing fields:

- runs: the number of times the garbage collector has been run
- collected: the number of objects collected
- threshold: the number of roots in the buffer which will trigger
garbage collection
- roots: the current number of roots in the buffer

Updated manual example output:

array(8) {
["running"]=>
bool(false)
["protected"]=>
bool(false)
["full"]=>
bool(false)
["runs"]=>
int(5)
["collected"]=>
int(100002)
["threshold"]=>
int(50001)
["buffer_size"]=>
int(131072)
["roots"]=>
int(0)
}

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Fix RC debug of stub attribute (#9082)

Allow for arbitrary (class) attributes in stubs

This can be easily extended to other types of attributes.

Closes #8839.

Support the `#[\AllowDynamicProperties]` attribute in stubs (#8776)

* Support the `#[\AllowDynamicProperties]` attribute in stubs

* Use `#[\AllowDynamicProperties]` attribute in stu

Support the `#[\AllowDynamicProperties]` attribute in stubs (#8776)

* Support the `#[\AllowDynamicProperties]` attribute in stubs

* Use `#[\AllowDynamicProperties]` attribute in stubs

* Disallow applying both `@strict-properties` and `#[\AllowDynamicProperties]`

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Declare true return types (#8759)

Allow internal functions to declare if they support compile-time evaluation, add functions. (#7780)

https://wiki.php.net/rfc/strtolower-ascii means that these functions no longer
depend

Allow internal functions to declare if they support compile-time evaluation, add functions. (#7780)

https://wiki.php.net/rfc/strtolower-ascii means that these functions no longer
depend on the current locale in php 8.2. Before that, this was unsafe to
evaluate at compile time.

Followup to GH-7506

Add strcmp/strcasecmp/strtolower/strtoupper functions

Add bin2hex/hex2bin and related functions

Update test of garbage collection using strtolower to use something else to create a refcounted string

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Add support for generating MAY_BE_ARRAY_OF_REF func info flag (#7416)

Fix callable and iterable handling

Generate Zend, ext/spl and ext/json optimizer func info from stubs

Closes GH-7397

Add support for generating optimizer function info from stubs (#7367)

Declare the $value param of define() as mixed

Revert "Fix bug #24214 implement access to skip_last in user API for backtrace"

This reverts commit a5cef84de8473088ad549e3724127c81b907c49d.

Fix bug #24214 implement access to skip_last in user API for backtrace