Python pack data to PHP pack data

Question

could someone help me get this data into the PHP equivalent: >4siiiiiiiiiiiii8x It is used in struct.pack() in Python. this is what i got so far: N14si13x8
it's supposed to be returning: ('P3TF', 272, 64, 6832, 6896, 1426, 8336, 312, 8656, 0, 8656, 0, 8656, 2924384)

The PHP version results:

array
  'si13x81' => int 1345541190
  'si13x82' => int 272
  'si13x83' => int 64
  'si13x84' => int 6832
  'si13x85' => int 6896
  'si13x86' => int 1426
  'si13x87' => int 8336
  'si13x88' => int 312
  'si13x89' => int 8656
  'si13x810' => int 0
  'si13x811' => int 8656
  'si13x812' => int 0
  'si13x813' => int 8656
  'si13x814' => int 2924384

still need to get the first one right.

Answer 1

I guess the main problem is that i and s have different meaning in PHP. To recreate your original list in PHP this seems to work:

print_r(unpack("a4header/N13int/x8fill", $p));

Gives me:

Array(
    [header] => P3TF
    [int1] => 272
    [int2] => 64
    [int3] => 6832
    [int4] => 6896
    [int5] => 1426
    [int6] => 8336
    [int7] => 312
    [int8] => 8656
    [int9] => 0
    [int10] => 8656
    [int11] => 0
    [int12] => 8656
    [int13] => 2924384

I'm not so sure about the x8 . That's not used for padding in PHP. Maybe try @ if it doesn't work on a real datafile.