site-creator-ultimate/lib.php

//excerpt
function scu_element2() {
    
    //중략.....
    
    //shorten
    if (strlen($t) > $l and $l > 0) {
        //$t = substr($t, 0, $l) . $cont;
        $t = mb_substr($t, 0, $l, 'UTF-8') . $cont;
    }
    
    //중략.....

}