Format bytes #php

untitled

// format bytes in KB/MB
function formatBytes($bytes, $precision = 0) {
    $units = array('B', 'KB', 'MB', 'GB', 'TB');

    $bytes = max($bytes, 0);
    $pow = floor(($bytes ? log($bytes) : 0) / log(1024));
    $pow = min($pow, count($units) - 1);

    // Uncomment one of the following alternatives
    // $bytes /= pow(1024, $pow);
    $bytes /= (1 << (10 * $pow));

    return round($bytes, $precision) . '' . $units[$pow];
}