crappily filter by timestamp in last hour

Drisate.php

<?php


foreach (new DirectoryIterator('./') as $fileInfo) {
    if($fileInfo->isDot()) continue;

    $file = $fileInfo->getBasename();

    //var_dump($file);

    // Get file date
    $timestamp = explode('-', $file);

    if(!array_key_exists(1, $timestamp)) {
        continue;
    }

    if(date('U', $timestamp[1]) <= time() - 3600) {
        var_dump($file);
    }

}