On Fri, 30 Nov 2007 02:13:52 pm Chris wrote:
> Jeffery Fernandez wrote:
> > On Fri, 30 Nov 2007 02:01:47 pm Chris wrote:
> >> Jeffery Fernandez wrote:
> >>> Hi all,
> >>>
> >>> Is it possible to rewind a foreach loop? eg:
> >>>
> >>>
> >>> $numbers = array(0,1,2,3,4,5,6,7,8,9,10);
> >>>
> >>> foreach ($numbers as $index => $value)
> >>> {
> >>> if ($value == 5)
> >>> {
> >>> prev($numbers);
> >>> }
> >>> echo "Value: $value" . PHP_EOL;
> >>> }
> >>>
> >>> The above doesn't seem to work. In one of my scenarios, when I
> >>> encounter and error in a foreach loop, I need the ability to rewind the
> >>> array pointer by one. How can I achieve this?
> >>
> >> echo $numbers[$index-1] . PHP_EOL;
> >
> > That will only give me the value of the previous index. What I want is to
> > rewind the array pointer and continue with the loop.
>
> and you're going to be in an endless loop then.. because each time it
> gets rewound, it gets the same key again and rewinds and ...
No, I am only rewinding if there is an error. Then I have the script
auto-learning from the error, fix a config file and then want to go back to
the array pointer to re-execute the process.
>
> You could do it with a for or while loop probably.
Thats what I am looking at now.
>
> What are you trying to achieve? Maybe there's an alternative.
As mentioned above.
cheers,
Jeffery
>
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