On Tue, Feb 25, 2020 at 8:19 PM Michael Morris <tendo...@gmail.com> wrote:
> I don't remember if this has been discussed before, but I've been working
> with some listing code and wishing for a cleaner way to do this
>
> <?php
> if (count($a) === 0) {
> // code for no results
> }
> else {
> foreach( $a as $key => $value) {
> // code for iteration
> }
> }
> ?>
>
> How difficult would it be to make the following work in the interpreter?
>
> <?php
> foreach($a as $key => $value) {
> // code for iteration
> }
> else {
> // code for no results
> }
> ?>
>
> The code of the else clause executes if the foreach is never entered
> regardless of the reason (provided the code didn't outright crash)
>
> Thoughts.
>
See https://wiki.php.net/rfc/loop_else and https://wiki.php.net/rfc/loop_or
for previous proposals on the topic.
I believe an important concern from previous discussions was that this
breaks BC in a really bad way, due to the dangling else conflict. Which is
why the latter proposal used "or" instead of "else".
Regards,
Nikita
