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Posted by Arjen on 07/22/05 13:02
John wrote:
> mark wrote:
>
>> I have 4 colors, red, blue, yellow, green in an array. I wish to
>> display 3 of them on a page at ramdon without repeating one on the
>> same page. So, refresh = yellow, green, blue | refresh = red, blue,
>> yellow.....etc etc...
>>
>> Can someone point me in the direction of the function I should be
>> looking to us to use to stop two colors appearing twice?
>>
>
> The colours can be given indexes 0, 1, 2, 3. You simply have to decide
> which index you DON'T want to display.
>
> Generate a random number between 0 and 3 (inclusive) and then don't
> display the colour with that index.
>
> John
Not entirely true. That still wont randomize the colours. You would have to eliminate that colour and then randimzie the array.
Better to randmonze the array of colours and then simple retrieve $array[0], $array[1], $array[2] :-)
Arjen
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