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.

Add ZEND_ACC_NOT_SERIALIZABLE flag

This prevents serialization and unserialization of a class and its
children in a way that does not depend on the zend_class_serialize_deny
and zend

Add ZEND_ACC_NOT_SERIALIZABLE flag

This prevents serialization and unserialization of a class and its
children in a way that does not depend on the zend_class_serialize_deny
and zend_class_unserialize_deny handlers that will be going away
in PHP 9 together with the Serializable interface.

In stubs, `@not-serializable` can be used to set this flag.

This patch only uses the new flag for a handful of Zend classes,
converting the remainder is left for later.

Closes GH-7249.
Fixes bug #81111.

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Use NO_DYNAMIC_PROPERTIES for Closure

Instead of manually implementing this, use the standard mechanism.
This has minor behavior changes (e.g. doing an isset() will now
return false

Use NO_DYNAMIC_PROPERTIES for Closure

Instead of manually implementing this, use the standard mechanism.
This has minor behavior changes (e.g. doing an isset() will now
return false instead of throwing) which are more in line with
typical behavior.

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Improve class entry generation

Related to GH-6701

Generate zend class entries based on stubs

Closes GH-6685

Zend parameter renames amendment

Closes GH-6228

Use proper parameter type in Closure::bindTo() signature

Separate Closure::bind() implementations

Closure::bind() and Closure::bindTo() are currently reported as aliases in stubs because they have a single implementation. They are not aliases in f

Separate Closure::bind() implementations

Closure::bind() and Closure::bindTo() are currently reported as aliases in stubs because they have a single implementation. They are not aliases in fact though, they just use zend_parse_method_parameters() cleverly.

Thus, let's separate their implementation so that we don't have to alias Closure::bindTo() anymore. This will also have the advantage that the two ZPP implementations become more clear.

Closes GH-6169

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Fix bug #78770

Refactor the zend_is_callable implementation to check callability
at a particular frame (this is an implementation detail for now,
but could be exposed in the API if u

Fix bug #78770

Refactor the zend_is_callable implementation to check callability
at a particular frame (this is an implementation detail for now,
but could be exposed in the API if useful). Pick the first parent
user frame as the one to check.

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Add a few missing parameter types in stubs

Related to GH-5627

Cleanup argument handling of Zend functions and methods

Closes GH-5847

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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Annotate internal functions with the mixed type

Closes GH-5618

Generate method entries for Closure

Add Zend class/interface arginfo stubs

We also change `Generator::throw()` to expect a `Throwable` in the
first place, and we now throw a TypeError instead of returning `false`
from

Add Zend class/interface arginfo stubs

We also change `Generator::throw()` to expect a `Throwable` in the
first place, and we now throw a TypeError instead of returning `false`
from `Exception::getTraceAsString()`.

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