_read_dir_00.php

<?

$files = array();

$dir = opendir('cache00/');
while ($file = readdir($dir)) {
    if ($file == '.' || $file == '..') {
        continue;
    }

    $files[] = $file;
}
sort($files);
$a = array(
        array('img' => end($files)));
$json = json_encode($a);
header('Content-type: application/json');
//echo json_encode($json);
echo json_encode(end($files));