PHP has had it forever. Given PHP's reputation, I'm not sure if that is a good argument for this feature. Rather than '%s' and '%d', why not just use '{}' and

PHP has had it forever. Given PHP's reputation, I'm not sure if that is a good argument for this feature. Rather than '%s' and '%d', why not just use '{}' and '.format'? That way, each argument is converted to a string appropriately. If it becomes confusing with many arguments, it is easy to name the parameters '{myparam}'