page_css_class - pass additional parameters to filter

[TheDeadMedic]

Brought to light in a ​question asked WordPress Answers.SE, the task was to add a class parent to all pages that had children.

The solution was to extend Walker_Page, and then call the parent method, so as to have access to the arguments passed to it.

It would've been a lot easier if the filter page_css_class also passed these arguments, namely $args and $depth.

With this in place, I can see it opening up a realm of possibilities for custom CSS classes with ease!

Filters -- and arguments added to a filter -- are not feature requests.

Please provide a patch. This seems fine for 3.3.

Patch provided. Apologies @nacin, originally set as enhancement, then I panicked and thought otherwise. Have since read codex on ticket types.

All method arguments are now passed to the filter, in the same order.

In [19240]:

Pass remaining start_el() arguments to page_css_class. props TheDeadMedic, fixes #17727.