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int2vancode

6 comment.module int2vancode($i = 0)
7 comment.module int2vancode($i = 0)

Generate vancode.

Consists of a leading character indicating length, followed by N digits with a numerical value in base 36. Vancodes can be sorted as strings without messing up numerical order.

It goes: 00, 01, 02, ..., 0y, 0z, 110, 111, ... , 1zy, 1zz, 2100, 2101, ..., 2zzy, 2zzz, 31000, 31001, ...

1 call to int2vancode()

File

drupal/modules/comment/comment.module, line 2458
Enables users to comment on published content.

Code

function int2vancode($i = 0) {
  $num = base_convert((int) $i, 10, 36);
  $length = strlen($num);

  return chr($length + ord('0') - 1) . $num;
}