Ds\Sequence::sorted() function can return a sorted copy.
public abstract Ds\Sequence Ds\Sequence::sorted([ callable $comparator ] )
Ds\Sequence::sorted() function can return a sorted copy by using an optional comparator function.
Ds\Sequence::sorted() function can return a sorted copy of the sequence.
<?php $seq = new \Ds\Vector([2, 7, 1, 9, 6, 5, 12, 20]); print_r($seq->sorted()); ?>
<?php $seq = new \Ds\Vector(["TRR" "SAT", "JAT", "TPP"]); print_r($seq->sorted()); ?>