1 common.inc parse_size($size)

Parses a given byte count.


$size: A size expressed as a number of bytes with optional SI or IEC binary unit prefix (e.g. 2, 3K, 5MB, 10G, 6GiB, 8 bytes, 9mbytes).

Return value

An integer representation of the size in bytes.:

Related topics


core/includes/common.inc, line 2347
Common functions that many Backdrop modules will need to reference.


function parse_size($size) {
  $unit = preg_replace('/[^bkmgtpezy]/i', '', $size); // Remove the non-unit characters from the size.
  $size = (float) preg_replace('/[^0-9\.]/', '', $size); // Remove the non-numeric characters from the size.
  if ($unit) {
    // Find the position of the unit in the ordered string which is the power of magnitude to multiply a kilobyte by.
    return round($size * pow(BACKDROP_KILOBYTE, stripos('bkmgtpezy', $unit[0])));
  else {
    return round($size);