If you don't break, it continues to execute all the code until
the end of the switch, ignoring any subsequent case
statements.
In my example, eliminating the break after step2 would
cause execution of do_step1(), but also do_something_else(),
which is not desired.
--- "@ Edwin" <[EMAIL PROTECTED]> wrote:
> Actually, you can--just don't "break;".
>
> Try it.
>
> - E
>
> >
> >I'd like to be able to modify the switch variable inside a case
> >statement, like this:
> >
> >switch ($foo) {
> > case 'step2':
> > do_step2();
> > if ($error) $foo='step1'; //repeat step1
> > break;
> >
> > case 'step1':
> > do_step1();
> > break;
> >
> > case 'a_third_thing':
> > do_something_else();
> > break;
> >}
> >
> >Can you modify the variable ($foo) inside a case statement and
> >have it evaluated for subsequent 'case's like this? If not, I
> >will have to revert to a series of if statements, in which this can
> >be done:
> >
> >if ($foo=='step2') {
> > do_step2();
> > if ($error) $foo='step1';
> >}
> >if ($foo=='step1') {
> > do_step1();
> >}
> >etc.
> >
> >Switch-case seems cleaner, and I'd prefer to stick with it.
> >
> >__________________________________________________
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>
>
>
>
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