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  1. <?php
  2.     define('URL_BASE64_FROM', '+/');
  3.     define('URL_BASE64_TO', '-_');
  4.     function url_base64_encode($data) {
  5.         $encoded = base64_encode($data);
  6.         if ($encoded === false) {
  7.             return false;
  8.         }
  9.         return str_replace('=', '', strtr($encoded, URL_BASE64_FROM, URL_BASE64_TO));
  10.     }
  11.     function url_base64_decode($data) {
  12.         $len = strlen($data);
  13.         if (is_null($len)) {
  14.             return false;
  15.         }
  16.         $padded = str_pad($data, 4 - $len % 4, '=', STR_PAD_RIGHT);
  17.         return base64_decode(strtr($padded, URL_BASE64_TO, URL_BASE64_FROM));
  18.     }
  19.     define('PACK_NUMS_FORMAT', 'n*');
  20.     function pack_nums($num_arr) {
  21.         array_unshift($num_arr, PACK_NUMS_FORMAT);
  22.         return call_user_func_array('pack', $num_arr);
  23.     }
  24.     function unpack_nums($packed_arr) {
  25.         return unpack(PACK_NUMS_FORMAT, $packed_arr);
  26.     }
  27.     function url_embed_array($arr) {
  28.         return url_base64_encode(gzcompress(pack_nums($arr)));
  29.     }
  30.     function url_parse_array($data) {
  31.         return unpack_nums(gzuncompress(url_base64_decode($data)));
  32.     }
  33.     // #####
  34.     $arr = array(7,2,3,4,5,6,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,52,53,54,61);
  35.     $encoded = url_embed_array($arr);
  36.     printf("%d: %s\n", strlen($encoded), $encoded);
  37.     $decoded = url_parse_array($encoded);
  38.     print_r($decoded);
  39. ?>
Success #stdin #stdout 0.01s 20568KB
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Standard input is empty
stdout
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91: eJwFwVkWQgAAAMB5siSRqFQixA3Un_tfqxmJwE4oEttLHWSOcoWT0lmldnF107h7eGq9dHpvg9HkY7ZYff1sf14QA5s
Array
(
    [1] => 7
    [2] => 2
    [3] => 3
    [4] => 4
    [5] => 5
    [6] => 6
    [7] => 8
    [8] => 9
    [9] => 10
    [10] => 11
    [11] => 12
    [12] => 13
    [13] => 14
    [14] => 15
    [15] => 16
    [16] => 17
    [17] => 18
    [18] => 19
    [19] => 20
    [20] => 21
    [21] => 22
    [22] => 23
    [23] => 24
    [24] => 25
    [25] => 26
    [26] => 27
    [27] => 28
    [28] => 29
    [29] => 30
    [30] => 31
    [31] => 32
    [32] => 33
    [33] => 34
    [34] => 35
    [35] => 36
    [36] => 37
    [37] => 52
    [38] => 53
    [39] => 54
    [40] => 61
)
https://ideone.com/7cesoN
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
public

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