Makes file size human-readable

humanFileSize.php

<?php
	
	function humanFileSize($size, $german = true) {
		$fileSizePrefixes = array('k', 'M', 'G', 'T', 'P');
		
		$size = intval($size);
		
		$prefix = -1;
		while($size > 1024 / 5 && $prefix < count($fileSizePrefixes) - 1) {
			$size /= 1024;
			$prefix++;
		}
		
		$rounded = round($size * 10) / 10;
		if($german) {
			$rounded = str_replace('.', ',', $rounded);
		}
		return $rounded . ' ' . ($prefix >= 0 ? $fileSizePrefixes[$prefix] : '') . 'B';
	}
	
?>