- var_dump: documentation ( source)
- array_multisort: documentation ( source)
<?php
$sortAry[] = '1.php';
$sortAry[] = '12.php';
$newLogs[] = "aa 1.php";
$newLogs[] = "bb 1.php";
array_multisort($sortAry, $newLogs);
var_dump($sortAry, $newLogs);