Online PHP editor | refs for XiOiI

@ 2017-07-05T21:37:59Z

<?php

$test = 'aaa.bbb.ccc.ddd.eee.fff.ggg.hhh';
$max = 10;
$retry = 1;
do {
    echo $test . "\n";
    preg_match("/^.+?\.(.+)$/", $test, $result);
    if (false === $result) throw new \InvalidArgumentException('invalid');
    $test = $result[1];
} while ($retry++ < $max);