Use unsigned int for the reference count APIs in ext/libxml (#16706)

Also removes impossible conditions.

Use unsigned int instead of int for refcount for libxml objects (#15247)

Support templated content

The template element in HTML 5 is special in the sense that it does not
add its contents into the DOM tree, but instead keeps them in a separate
shadow DOM

Support templated content

The template element in HTML 5 is special in the sense that it does not
add its contents into the DOM tree, but instead keeps them in a separate
shadow DOM document fragment. Interacting with the DOM tree cannot touch
the elements in the document fragment.

Closes GH-14906.

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Reapply "Stop using reserved names in dom"

This reverts commit dda96768ece24cb56f09924baf9d6b9dd27ad587.

Revert "Stop using reserved names in dom"

This reverts commit 013bc53f0cf0c55a196a4336bc7d07dcded6ed95.

This somehow breaks the Windows build. Will investigate later.

Stop using reserved names in dom

Backport libxml2 2.13.2 fixes (#14816)

Backproted from https://github.com/php/php-src/pull/14789

Fix compilation on libxml2 2.13

Implement Dom\TokenList (#13664)

Part of RFC: https://wiki.php.net/rfc/dom_additions_84

Closes GH-11688.

Implement Dom $innerHTML property

Implement CSS selectors

Handle dumping node to file

Handle dumping document to file

Factor out all common code for XML serialization and merge common paths

Move dom_attr_value() into ext/libxml

Implement request #71571: XSLT processor should provide option to change maxDepth (#13731)

There are two depth limiting parameters for XSLT templates.
1) maxTemplateDepth
This cor

Implement request #71571: XSLT processor should provide option to change maxDepth (#13731)

There are two depth limiting parameters for XSLT templates.
1) maxTemplateDepth
This corresponds to the recursion depth of a template. For very
complicated templates this can be hit.
2) maxTemplateVars
This is the total number of live variables. When using recursive
templates with lots of parameters you can hit this limit.

This patch introduces two new properties to XSLTProcessor that
corresponds to the above variables.

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Only register error handling when observable

Closes GH-13702.

[RFC] Add a way to opt-in ext/dom spec compliance (#13031)

RFC: https://wiki.php.net/rfc/opt_in_dom_spec_compliance

Remove properties field from php_libxml_node_object (#13062)

This shrinks the struct from 80 bytes to 72 bytes.
This was unused internally, I did not find users externally via GitHub

Remove properties field from php_libxml_node_object (#13062)

This shrinks the struct from 80 bytes to 72 bytes.
This was unused internally, I did not find users externally via GitHub
search.
The intention for this was that it could be used for attaching extra
data as a 3rd party to a node. However, there are better mechanisms for
that like using actual objects.

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Backport deprecation warning ignores to unbreak CI

In master I use ZEND_DIAGNOSTIC_IGNORED_START, but that doesn't exist on
8.2 or 8.3 (8.3 has a similar macro though).
So to unbreak

Backport deprecation warning ignores to unbreak CI

In master I use ZEND_DIAGNOSTIC_IGNORED_START, but that doesn't exist on
8.2 or 8.3 (8.3 has a similar macro though).
So to unbreak CI I just made a variation of this directly in the
php_libxml.h header.

See https://github.com/php/php-src/commit/683e78786070ab77d33f7787598ac1b90d68390a#commitcomment-134301083

Closes GH-12887.

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Fix issues related to libxml2 2.12.0 (#12802)

* Avoid passing NULL to xmlSwitchToEncoding

This otherwise switches to UTF-8 on libxml2 2.12.0

* Split tests for different err

Fix issues related to libxml2 2.12.0 (#12802)

* Avoid passing NULL to xmlSwitchToEncoding

This otherwise switches to UTF-8 on libxml2 2.12.0

* Split tests for different error reporting behaviour in libxml2 2.12.0

* Avoid deprecation warnings for libxml2 2.12.0

We can't fully get rid of the parser globals as there are still APIs
that implicitly use them.

* Temporarily disable part of test for libxml 2.12.0 regression

See https://gitlab.gnome.org/GNOME/libxml2/-/issues/634

* Review fixes

* [ci skip] Update test description

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Fix GH-12702: libxml2 2.12.0 issue building from src

Fixes GH-12702.

Co-authored-by: nono303 <github@nono303.net>

[RFC] DOM HTML5 parsing and serialization support (#12111)

Fix compile error when php_libxml.h is included in C++

See https://github.com/php/pecl-xml-xmldiff/issues/1

Fix broken cache invalidation with deallocated and reallocated document node

The original caching implementation had an oversight in combination with
the new lifetime management in DOM f

Fix broken cache invalidation with deallocated and reallocated document node

The original caching implementation had an oversight in combination with
the new lifetime management in DOM for 8.3.
The modification counter is stored on the document object itself, but as
that can get deallocated when all references disappear, stale cache data
can be used. Normally this isn't a problem, unless getElementsByTagName is
called not on the document but on a child node. Fix it by moving caching
data into the ref object, which will outlive all nodes from a document
even if the document object disappears.

Closes GH-12338.

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