mbcode

function mbcode($str){
                        $r= implode('',array_map(
                            function ($v){return mb_strtoupper(mb_substr($v,0,2,'UTF-8'),'UTF-8');}
                            ,explode(' ',$str))).mb_strlen(str_replace(' ','',$str),'UTF-8');
    $r=mb_substr($r,0,5,'UTF-8');
    return $r;
    }