Отредактированно автором

if (isset($threads[$key]['edited'])) $post .= '<p>[s]('.$lang['Edited_by_own'].longDate($threads[$key]['edited']+$exbb['usertime']*3600).')[/s]';
if (isset($threads[$key]['mo_edited'])) {
$post .= '<p><hr><font color=green>[s]'.$lang['Edited_by_mo'].$threads[$key]['mo_editor'].', '.longDate($threads[$key]['mo_edited']+$exbb['usertime']*3600).'[/s]</font>';
if (isset($threads[$key]['mo_text']) && !isset($threads[$key]['ad_edited'])) $post .= '<BR>'.$threads[$key]['mo_text'];
}
if (isset($threads[$key]['ad_edited'])) {
$post .= '<p><hr><font color=red>[s]'.$lang['Edited_by_ad'].$threads[$key]['ad_editor'].', '.longDate($threads[$key]['ad_edited']+$exbb['usertime']*3600).'[/s]</font>';
if (isset($threads[$key]['mo_text'])) $post .= '<BR>'.$threads[$key]['mo_text'];
}