testfile written:
Array
(
    [0] => .
    [1] => ..
    [2] => downloads
    [3] => geheim.txt
    [4] => geheim_all.txt
    [5] => index.php
    [6] => testfile_20251113_194832ms
    [7] => testfile_20251117_213737ms
    [8] => testfile_20251120_032802ms
    [9] => testfile_20251122_185041ms
    [10] => testfile_20251125_105005ms
    [11] => testfile_20251216_105041ms
    [12] => testfile_20251218_164847ms
    [13] => testfile_20251220_173631ms
    [14] => testfile_20251223_143324ms
    [15] => testfile_20251226_211145ms
    [16] => testfile_20260101_094310ms
    [17] => testfile_20260103_235059ms
    [18] => testfile_20260107_030225ms
    [19] => testfile_20260109_123006ms
    [20] => testfile_20260111_162519ms
    [21] => testfile_20260113_024936ms
    [22] => testfile_20260120_115217ms
    [23] => testfile_20260127_012549ms
    [24] => testfile_20260130_051355ms
    [25] => testfile_20260205_161701ms
    [26] => testfile_20260209_024157ms
    [27] => testfile_20260212_015049ms
    [28] => testfile_20260217_084227ms
    [29] => testfile_20260219_090716ms
    [30] => testfile_20260222_004406ms
    [31] => testfile_20260224_113056ms
    [32] => testfile_20260226_225048ms
    [33] => testfile_20260301_110006ms
    [34] => testfile_20260304_101433ms
    [35] => testfile_20260306_162640ms
    [36] => testfile_20260309_051949ms
    [37] => testfile_20260312_110224ms
    [38] => testfile_20260312_130321ms
    [39] => testfile_20260315_084415ms
    [40] => testfile_20260316_220700ms
    [41] => testfile_20260327_041742ms
    [42] => testfile_20260331_054439ms
    [43] => testfile_20260423_150530ms
    [44] => testfile_20260425_151424ms
    [45] => testfile_20260427_162345ms
    [46] => testfile_20260430_162213ms
    [47] => testfile_20260503_110104ms
    [48] => testfile_20260505_115357ms
    [49] => testfile_20260507_163544ms
    [50] => testfile_20260508_225329ms
    [51] => testfile_20260510_230946ms
    [52] => testfile_20260511_182755ms
    [53] => testfile_20260511_194547ms
    [54] => tmp
    [55] => uploads
)