[Resolved] Translating the currency symbol

/*Currency Translation*/
add_filter('woocommerce_currency_symbol', 'change_existing_currency_symbol', 10, 2);
     
function change_existing_currency_symbol( $currency_symbol, $currency ) {
    $my_current_lang = apply_filters( 'wpml_current_language', NULL );
    switch( $currency ) {
        case 'SAR':         
        if($my_current_lang == 'ar'){        
        $currency_symbol = 'ر.س'; 
        }else{
                 $currency_symbol = 'SAR'; 
            } 
        break;          
    }
    return $currency_symbol;
}