[수정전]
    function cut_str($string, $cut_size, $tail='...') {
        if(!$string || !$cut_size) return $string;

        if(function_exists('iconv')) {
            $unicode_str = iconv("UTF-8","UCS-2",$string);
            if(strlen($unicode_str) < $cut_size*2) return $string;
            $output_str = substr($unicode_str, 0, $cut_size*2);
            return iconv("UCS-2","UTF-8",$output_str).$tail;
        }

        $arr = array();
        return preg_match('/.{'.$cut_size.'}/su', $string, $arr) ? $arr[0].$tail : $string;
    }

[수정후]
function cut_str($string, $cut_size, $tail) {
        $width = Array(0, 12, 4, 4, 4, 6, 6, 10, 8, 4, 5, 5, 6, 6, 4, 6, 4, 6,
                       6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 8, 6, 8, 6, 12, 8, 8,
                       9, 8, 8, 7, 9, 8, 3, 6, 8, 7, 11, 9, 9, 8, 9, 8, 8, 8, 8,
                       8, 10, 8, 8, 8, 6, 11, 6, 6, 6, 4, 7, 7, 7, 7, 7, 3, 7,
                       7, 3, 3, 6, 3, 11, 7, 7, 7, 7, 4, 7, 3, 7, 6, 10, 7, 7,
                       7, 6, 6, 6, 9, 0);

        $str_buffer = "";
        $len_buffer = 0;
        $count = 0;

        $len = strlen($string);

        $cut_size = $width[1] * $cut_size / 2;

        while( $count < $len ) {

            $asc = ord(substr($string, $count, 1));

            if( $asc < 128 ) {
                $len_buffer += $width[$asc-30];

                if( $len_buffer > $cut_size ) {
                    $str_buffer .= "...";
                    break;
                }

                $str_buffer .= substr($string, $count, 1);
                $count += 1;
            } else {
                $len_buffer += $width[1];

                if( $len_buffer > $cut_size ) {
                    $str_buffer .= "...";
                    break;
                }

                $str_buffer .= substr($string, $count, 3);
                $count += 3;
            }
        }

        if ($tail) return "$str_buffer";
        else return $str_buffer."";
    }

/config/func.inc.php

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