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

Do not generate CONST_CS when registering constants (#9439)

Declare ext/pcre constants in stubs (#9077)

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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Merge branch 'PHP-8.0' into PHP-8.1

* PHP-8.0:
Clarify that preg_match_all() cannot return null

Clarify that preg_match_all() cannot return null

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

Generate optimizer func info from stubs for ext/curl, ext/mysqli, ext/pcre (#7407)

Improve class entry generation

Related to GH-6701

Generate class entries from stubs for oci8, odbc, openssl, pcntl, pdo, pgsql

Closes GH-6691

Review parameter names in ext/pcre

Closes GH-6259

Fix preg_replace_callback_array() with array subject

Apparently this "feature" was completely untested...

Add all the missing parameter types to stubs

Closes GH-5955

Use ZPP string|array union check in PCRE extension

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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Use ZPP callable check for preg_replace_callback() $callback argument

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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Generate function entries for another batch of extensions

Closes GH-5352

Add preg_last_error_msg() function

Provides the last PCRE error as a human-readable message, similar
to functionality existing in other extensions, such as
json_last_error_msg().

Add preg_last_error_msg() function

Provides the last PCRE error as a human-readable message, similar
to functionality existing in other extensions, such as
json_last_error_msg().

Closes GH-5185.

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Revert "Replace @param annotations with type declarations"

This reverts commit c31029f335ca1b453af799805c43c37e959ad555.

Replace @param annotations with type declarations

Add union return types for function stubs

Add stubs for PCRE extension

Closes GH-4501.