bennyman

help please!

Help with this code …((

function change_price($price, $product){
	global $post,$valut,$woocommerce;
	$valut = get_post_meta( get_the_ID(), 'selectov', true );
     if ($valut == 'two'){
    $mnog = get_option('kursd');
    $new_price = $price*$mnog;
	} elseif ($valut == 'three'){
    $mnog= get_option('kurse');
    $new_price = $price*$mnog;
    } elseif ($valut == 'four'){
    $mnog= get_option('kursr');
    $new_price = $price*$mnog;
    }
    return $new_price;
}