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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);
- }
- }
- }
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