ArrayIterator::uksort Sort by keys using a user-defined comparison function &reftitle.description; public trueArrayIterator::uksort callablecallback This method sorts the elements by keys using a user-supplied comparison function. ¬e.sort-unstable; &reftitle.parameters; callback &sort.callback.description; &reftitle.returnvalues; &return.true.always; &reftitle.changelog; &Version; &Description; &return.type.true; &reftitle.seealso; ArrayIterator::asort ArrayIterator::ksort ArrayIterator::natcasesort ArrayIterator::natsort ArrayIterator::uasort uksort