1--TEST-- 2array_multisort() is stable 3--FILE-- 4<?php 5 6// Something of a dummy example where 0 and '0' are used as equal elements. 7 8$ary1 = array_fill(0, 100, 0); 9$origAry2 = $ary2 = array_merge(...array_fill(0, 50, [0, '0'])); 10array_multisort($ary1, $ary2); 11var_dump($ary2 === $origAry2); 12 13?> 14--EXPECT-- 15bool(true) 16