Convert bytes to human-friendly unit

convert-bytes-to-unit.php

// ------------------------------------------------------------
// :: Convert bytes to human-friendly unit
// :: Source: http://php.net/manual/en/function.filesize.php#106569
// ------------------------------------------------------------

function human_filesize($bytes, $decimals = 2) {
	$sz = 'BKMGTP';
	$factor = floor((strlen($bytes) - 1) / 3);
	return sprintf("%.{$decimals}f", $bytes / pow(1024, $factor)) . @$sz[$factor];
}