Generated arginfo header files: use known strings for prop names when… (#15751)

Instead of allocating, using, and then releasing a zend_string for every
property name unconditionally, on

Generated arginfo header files: use known strings for prop names when… (#15751)

Instead of allocating, using, and then releasing a zend_string for every
property name unconditionally, only do so when the minimum supported version of
PHP does not have that string in its known strings (ZEND_KNOWN_STRINGS). If the
string is already known, just use the known version directly. This is already
done for some non-generated class registrations, e.g. in
`zend_enum_register_props()`.

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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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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.

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

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 some stub related todo comments

Redefine PDOException::$code with correct type

Closes GH-7839

Add more specific array return type hints for various extensions - part 3 (#7467)

Use typed property in PDOException

Improve class entry generation

Related to GH-6701

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

Closes GH-6691

Add support for generating class entries from stubs

Closes GH-6289

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

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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Generate function entries for another batch of extensions

Closes GH-5352

Do not include the same stub multiple times

Closes GH-5322

Revert "Replace @param annotations with type declarations"

This reverts commit c31029f335ca1b453af799805c43c37e959ad555.

Replace @param annotations with type declarations

Restore PDOStatement::setFetchMode() signature

I don't think this is worth the BC break, and getting variadic
signature changes compatible across PHP versions is somewhat tricky.

Add stubs for PDO