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The XML Parser extension still supports a quite dated mechanism for method based callbacks, where the object is first set via `xml_set_object()` and the callbacks are then set by passing only the name of the method to the relevant parameters on any of the `xml_set_*_handler()` functions.
{{{
xml_set_object( $parser, $my_obj );
xml_set_character_data_handler( $parser, 'method_name_on_my_obj' );
}}}
Passing proper callables to the `xml_set_*_handler()` functions has been supported for the longest time and is cross-version compatible. So the above code is 100% equivalent to:
{{{
xml_set_character_data_handler( $parser, [$my_obj, 'method_name_on_my_obj'] );
}}}
The mechanism of setting the callbacks with `xml_set_object()` has now been deprecated as of PHP 8.4, in favour of passing proper callables to the `xml_set_*_handler()` functions. This is also means that calling the `xml_set_object()` function is deprecated as well.
This commit fixes this deprecation for the `TestXMLParser` helper utility. In this case, the callbacks were already using the recommended format and the call to `xml_set_object()` was completely redundant.
As this is a test utility and was already causing pre-existing tests using the utility to fail, there is no need for dedicated tests to cover this change.
Refs:
* https://wiki.php.net/rfc/deprecations_php_8_4#xml_set_object_and_xml_set_handler_with_string_method_names
* https://www.php.net/manual/en/function.xml-set-object.php
* https://www.php.net/manual/en/ref.xml.php
Follow-up to [25002].
Props jrf.
See #62061.
git-svn-id: https://develop.svn.wordpress.org/trunk@59055 602fd350-edb4-49c9-b593-d223f7449a82