function parse_size

Parses a given byte count.

Parameters

$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

File

includes/common.inc, line 1961

Code

function parse_size($size) {
    $unit = preg_replace('/[^bkmgtpezy]/i', '', $size);
    // Remove the non-unit characters from the size.
    $size = (double) 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(DRUPAL_KILOBYTE, stripos('bkmgtpezy', $unit[0])));
    }
    else {
        return round($size);
    }
}