Get parcel label formats

Returns an array of all possible label print variants / formats

A4 - 4 per page
A4_FULL_PAGE = 1 per page
A5 - 2 per page
A6_FULL_PAGE -> 1 per page


* LP Express currently only supports A4 - 3 per page. printFormat is ignored for create labels request 
<?php

$label_url = $MK->getLabelFormats();

?>