Thomas Bley wrote:
> Here is a typical billing example which uses exceptions:
>
> <?php
> ini_set('error_reporting', E_ALL);
> ini_set('display_errors', 1);
>
> addVat('apples');
>
> function addVat($amount) {
> if (!is_int($amount) && !is_float($amount)) {
> throw new InvalidArgumentException('Argument 1 passed to '.__FUNCTION__.'
> must be of the type int|float, '.gettype($amount).' given');
> }
> return round($amount*1.19, 2);
> }
>
> Instead of multiple strict scalar hints (e.g. function addVat(int|float
> $amount){...}), I would prefer to have "numeric" as strict type:
> function addVat(numeric $amount){...}
Have you considered
addVat(-1);
--
Christoph M. Becker
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