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 `IXR_Message::parse()` method.
This change is safeguarded via the new`Tests_XMLRPC_Message::test_parse_sets_handlers()` test method.
Note: Though this is "officially" an external library, this package is no longer externally maintained. The code style of the fix in the source file is in line with the existing code style for the file.
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 [15612], [1346].
Props jrf, hellofromTonya.
See #62061.
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The `IXR_Message` class declares a property `_currentTag`, which is never assigned or used. It does assign to `currentTag` instead, which outside of that one assignment is never used either.
Since there are various other underscore-prefixed properties declared on the class, including one named `_currentTagContents` which is used in several places, it appears that the declared property is correct and the assignment is a typo.
This commit resolves a notice on PHP 8.2:
{{{
Deprecated: Creation of dynamic property IXR_Message::$currentTag is deprecated
}}}
Follow-up to [1346].
Props bjorsch, kraftbj, jrf, mukesh27, SergeyBiryukov.
See #56790.
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There are a handful of places where we don't check that the XML functions exist before we use them. Ubuntu's PHP 7 packages don't include PHP-XML by default, increasing the chance of this causing issues.
Props kraftbj, markoheijnen.
Fixes#37122.
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hellofromTonya
Sergey Biryukov
Dion Hulse
Dominik Schilling
Gary Pendergast
Scott Taylor