Fix another DOMNameSpaceNode casing issue

Fix DOMNameSpaceNode casing

dom_import_simplexml() cannot return null

Fix return type of DOMNodeList::item()

It can also return DOMNameSpaceNode :(

Declare tentative return types for ext/dom (#6985)

Throw DomException for DOM out-of-memory error conditions

A number of error conditions in DOM can only occur if libxml2 runs
out of memory, at least as far as I can see. In such cases we

Throw DomException for DOM out-of-memory error conditions

A number of error conditions in DOM can only occur if libxml2 runs
out of memory, at least as far as I can see. In such cases we
currently do a silent "return false", which violates the DOM spec,
and which code is very unlikely to handle sensibly.

Switch these to throw a DomException with INVALID_STATE_ERR type.
This error type is chosen because we use for similar checks
elsewhere, for example:
https://github.com/php/php-src/blob/a733b1ada7895f6fa5e349755a878cae9189e3f5/ext/dom/documentfragment.c#L45-L48

This changes some of the more obvious cases I spotted, but there are probably more.

Closes GH-7049.

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Actually add the tentative type marker...

Add minimial tentative types to dom

Just for implementations of Countable. These (no longer) suffer
from an overly broad return type.

DOMNamedNodeMap::count() cannot return false

DOMNodeList::count() cannot return false

Refactor the implementation to make this obvious, and make use
of early returns.

Declare typed properties in ext/dom

Closes GH-7013

Declare dynamic properties in ext/dom

Closes GH-6644

Add missing classes to stubs

Implicitly enable function entry generation when class entry generation is enabled

Closes GH-6675

Make createDocument() $namespace nullable

According to the DOM specification, this argument should be
nullable. It's also supposed to be a required argument, but
not changing that at

Make createDocument() $namespace nullable

According to the DOM specification, this argument should be
nullable. It's also supposed to be a required argument, but
not changing that at this point.

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Make getElementsByTagNameNS $namespace nullable

According to the DOM specification, this argument is supposed to
be nullable.

Generate class entries for a few extensions

Relates to GH-6644

Add support for generating class entries from stubs

Closes GH-6289

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

Add support for generating methodsynopses from stubs

Closes GH-6367

Fix bug #80537

This is an unavoidable breaking change to both the type and
parameter name.

The assertion that was supposed to prevent this was overly lax
and accepted any ob

Fix bug #80537

This is an unavoidable breaking change to both the type and
parameter name.

The assertion that was supposed to prevent this was overly lax
and accepted any object type for string parameters.

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Promote warnings to error in DOM extension

Closes GH-5418

Display types in stubs more uniformly

In preparation for generating method signatures for the manual.

This change gets rid of bogus false|null return types, a few unnecessary traili

Display types in stubs more uniformly

In preparation for generating method signatures for the manual.

This change gets rid of bogus false|null return types, a few unnecessary trailing backslashes, and settles on using ? when possible for nullable types.

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Add all the missing parameter types to stubs

Closes GH-5955

Consolidate Parameter Names For ext/dom

Co-authored-by: Thomas Weinert <thomas@weinert.info>

Remove spurious return true from DOMXPath::registerPhpFunctions()

Only one of three identical cases returned true, and the function
is documented to return void. Remove the outlier.