esc pos lv hotfix

<?php

function parseStr($str){

    //split multibyte chars
    $chars = preg_split('//u', $str, -1, PREG_SPLIT_NO_EMPTY);


    $r = '';
    foreach ($chars as $i=>$char){
        $r .=  fixStr($char);
    }
    return $r;
}

function fixStr($char){

    switch($char){
        case 'Ā':
            $char_code = 181;
            break;
        case 'ņ':
            $char_code = 183;
            break;
        case 'ā':
            $char_code = 198;
            break;
        case 'Š':
            $char_code = 208;
            break;
        case 'š':
            $char_code = 253;
            break;
        case 'č':
            $char_code = 210;
            break;
        case 'Č':
            $char_code = 211;
            break;
        case 'ģ':
            $char_code = 214;
            break;
        case 'Ī':
            $char_code = 215;
            break;
        case 'ī':
            $char_code = 216;
            break;
        case 'ū':
            $char_code = 221;
            break;
        case 'Ū':
            $char_code = 222;
            break;
        case 'Ē':
            $char_code = 240;
            break;
        case 'ē':
            $char_code = 241;
            break;
        case 'Ģ':
            $char_code = 242;
            break;
        case 'ķ':
            $char_code = 243;
            break;
        case 'Ķ':
            $char_code = 244;
            break;
        case 'ļ':
            $char_code = 245;
            break;
        case 'Ļ':
            $char_code = 246;
            break;
        case 'ž':
            $char_code = 247;
            break;
        case 'Ž':
            $char_code = 248;
            break;
        case 'Ņ':
            $char_code = 252;
            break;
        default:
            $char_code = ord($char);
    }
    return chr($char_code);

}

$res = parseStr('ēūīāšģķļžčņĒŪĪĀŠĢĶĻŽČŅ');