Code Coverage for /Users/ericduran/Sites/drupal/drupal/core/lib/Drupal/Component/Utility/Bytes.php

1	<?php
2
3	/**
4	* @file
5	* Contains \Drupal\Component\Utility\Bytes.
6	*/
7
8	namespace Drupal\Component\Utility;
9
10	/**
11	* Provides helper methods for byte conversions.
12	*/
13	class Bytes {
14
15	/**
16	* The number of bytes in a kilobyte.
17	*
18	* @see http://en.wikipedia.org/wiki/Kilobyte
19	*/
20	const KILOBYTE = 1024;
21
22	/**
23	* Parses a given byte size.
24	*
25	* @param mixed $size
26	* An integer or string size expressed as a number of bytes with optional SI
27	* or IEC binary unit prefix (e.g. 2, 3K, 5MB, 10G, 6GiB, 8 bytes, 9mbytes).
28	*
29	* @return int
30	* An integer representation of the size in bytes.
31	*/
32	public static function toInt($size) {
33	// Remove the non-unit characters from the size.
34	$unit = preg_replace('/[^bkmgtpezy]/i', '', $size);
35	// Remove the non-numeric characters from the size.
36	$size = preg_replace('/[^0-9\.]/', '', $size);
37	if ($unit) {
38	// Find the position of the unit in the ordered string which is the power
39	// of magnitude to multiply a kilobyte by.
40	return round($size * pow(self::KILOBYTE, stripos('bkmgtpezy', $unit[0])));
41	}
42	else {
43	return round($size);
44	}
45	}
46
47	}