diff options
Diffstat (limited to 'inc/util.inc.php')
| -rw-r--r-- | inc/util.inc.php | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/inc/util.inc.php b/inc/util.inc.php index 67e4b73d..8235edd0 100644 --- a/inc/util.inc.php +++ b/inc/util.inc.php @@ -150,6 +150,25 @@ class Util } return true; } + + /** + * Convert given number to human readable file size string. + * Will append Bytes, KiB, etc. depending on magnitude of number. + * + * @param type $bytes numeric value of the filesize to make readable + * @param type $decimals number of decimals to show, -1 for automatic + * @return type human readable string representing the given filesize + */ + public static function readableFileSize($bytes, $decimals = -1) { + static $sz = array('Byte', 'KiB', 'MiB', 'GiB', 'TiB', 'PiB'); + $factor = floor((strlen($bytes) - 1) / 3); + if ($factor == 0) { + $decimals = 0; + } elseif ($decimals === -1) { + $decimals = 2 - floor((strlen($bytes) - 1) % 3); + } + return sprintf("%.{$decimals}f ", $bytes / pow(1024, $factor)) . $sz[$factor]; + } } |