ArrayIterator::uasort Sort with a user-defined comparison function and maintain index association &reftitle.description; public voidArrayIterator::uasort callablecmp_function This method sorts the elements such that indices maintain their correlation with the values they are associated with, using a user-defined comparison function. ¬e.sort-unstable; &reftitle.parameters; cmp_function &return.callbacksort; &callback.cmp; &reftitle.returnvalues; &return.void; &reftitle.seealso; ArrayIterator::asort ArrayIterator::uksort usort