Online PHP editor | refs for FUSS6

@ 2021-09-21T06:05:22Z

<?php
$available_group_cd_list = [""];
$csv_pre_3_list = ["a"];
$res_array1 = array_diff($available_group_cd_list, $csv_pre_3_list);
$res_array2 = array_diff($csv_pre_3_list, $available_group_cd_list);

echo $res_array1.":".$res_array2;