testfile written:
Array
(
    [0] => .
    [1] => ..
    [2] => blub
    [3] => downloads
    [4] => index.php
    [5] => testfile_20251113_150943sa
    [6] => testfile_20251113_151000sa
    [7] => testfile_20251113_194925sa
    [8] => testfile_20251118_144205sa
    [9] => testfile_20251123_063828sa
    [10] => testfile_20251126_021844sa
    [11] => testfile_20251130_151520sa
    [12] => testfile_20251203_033557sa
    [13] => testfile_20251206_080100sa
    [14] => testfile_20251208_192224sa
    [15] => testfile_20251211_055419sa
    [16] => testfile_20251213_103448sa
    [17] => testfile_20251216_012453sa
    [18] => testfile_20251219_051821sa
    [19] => testfile_20251221_102543sa
    [20] => testfile_20251223_184533sa
    [21] => testfile_20251225_201125sa
    [22] => testfile_20251228_015227sa
    [23] => testfile_20260101_140747sa
    [24] => testfile_20260103_235055sa
    [25] => testfile_20260107_054800sa
    [26] => testfile_20260111_162404sa
    [27] => tmp
    [28] => uploads
)