src/Drupal/Component/Utility/Bytes.php
public static function toInt($size) {
    // Remove the non-unit characters from the size.
    $unit = preg_replace('/[^bkmgtpezy]/i', '', $size);
    // Remove the non-numeric characters from the size.
    $size = preg_replace('/[^0-9\.]/', '', $size);
    if ($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(self::KILOBYTE, stripos('bkmgtpezy', $unit[0])));
    }
    else {
      return round($size);
    }
  }
public static function toInt($size) {
    // Remove the non-unit characters from the size.
    $unit = preg_replace('/[^bkmgtpezy]/i', '', $size);
    // Remove the non-numeric characters from the size.
    $size = preg_replace('/[^0-9\.]/', '', $size);
    if ($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(self::KILOBYTE, stripos('bkmgtpezy', $unit[0])));
    }
    else {
      return round($size);
    }
  }
public static function toInt ( $ size ) { // Remove the non-unit characters from the size. $ unit = preg_replace ( '/[^bkmgtpezy]/i' , '' , $ size ) ; // Remove the non-numeric characters from the size. $ size = preg_replace ( '/[^0-9\.]/' , '' , $ 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 ( self :: KILOBYTE , stripos ( 'bkmgtpezy' , $ unit [ 0 ] ) ) ) ; } else { return round ( $ size ) ; } }
Parses a given byte size.

@param mixed $size
An integer or string 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 int
An integer representation of the size in bytes.
Parses a given byte size .