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Posted by J.O. Aho on 11/10/06 14:54
password wrote:
> hello, i am using an automatic image rotator (php) which rotates images on
> refresh or everytime a page is accessed and i was wondering if it is
> possible to make the image change on a daily basis instead. ive been hunting
> the net but dont seem to be able to find a script that would do this.
>
> i am assuming it is possible but my knowledge of php is very limited.
>
> any help or pointers would be gratefully received and acknowledged.
There are many ways to make it to pick one image per day and how to do that
depends a bit on the original code too (as you may not want to rewrite
everything). You will find a rand() that determines which image to load (most
likely from an array), you replace the rand() with a function that you make
that gives different values each day, one could just be the number of the day
in the current month, so if you have 31 images thats no problem, but if you
have fewer then you would have days without any image at all. Modulus is a
good way say [<date>%number of images] would give you a number that would
always give an image for you, even if you have less than there are days in a
month, if you have more, then you need to use day-number (first of feb would
be 32).
I hope you got the idea and have the will of making a try, do a backup of the
current code, so if it gets broken, you can at least get back to the original
code.
//Aho
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