Online PHP editor | refs for oMue1

@ 2018-06-01T14:41:17Z

<?php

$nums = [
    '8045551234',
    '18045551234',
    '0018045551234',
];

foreach ($nums as $num) {
    echo substr($num, -10);
    echo ' ';
    echo substr($num, 0, -10);
    echo PHP_EOL;
}