Mercurial > hg > isophonics-drupal-site
view core/lib/Drupal/Component/Utility/Bytes.php @ 0:4c8ae668cc8c
Initial import (non-working)
author | Chris Cannam |
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date | Wed, 29 Nov 2017 16:09:58 +0000 |
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<?php namespace Drupal\Component\Utility; /** * Provides helper methods for byte conversions. */ class Bytes { /** * The number of bytes in a kilobyte. * * @see http://wikipedia.org/wiki/Kilobyte */ const KILOBYTE = 1024; /** * Parses a given byte size. * * @param mixed $size * An integer or string size expressed as a number of bytes with optional SI * or IEC binary unit prefix (e.g. 2, 3K, 5MB, 10G, 6GiB, 8 bytes, 9mbytes). * * @return int * An integer representation of the size in bytes. */ public static function toInt($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); } } }