On Thu, 8 Jul 2004, Marc Richards wrote:
> Christian Schneider wrote:
>
> > Before it gets forgotten: I still think that
> > $x = ifsetor(mixed var, mixed var [, ...]);
> > with expressions in all parts is the way to go.
> >
> > Example usage:
> > $a = ifsetor($_REQUEST['x'], $db->get('x'), 'default_x');
> >
>
> The other syntax could work for that as well...
>
> $a = $_REQUEST['x'] ?: $db->get('x') ?: 'default_x';
>
>
> and with a little white-space it is even more readable:
>
> $a = $_REQUEST['x'] ?: $db->get('x') ?: 'default_x';
That syntax is way too confusing.
Spotting the difference between:
$a = $b ?: $c ?: $d;
$a = $b ? $c : $d;
is non-trivial and the two would do completely different things.
This needs to be a function that people can easily look up in the
documentation.
-Rasmus
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