size;
$units = array('B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB');
$power = $size > 0 ? floor(log($size, 1024)) : 0;
$value = number_format($size / pow(1024, $power), 2, '.', ',') . ' ' . $units[$power];
if ($this->poster == 'ATTACHMENT') {
if (mime($this->type) == true) {
$var = '';
return '