I know that $key holds the sequence of images that are being picked up by glob() - I¹m just trying to figure out a way to use this $key to generate the Next & Previous link. The problem is everything is passed on to a separate page (photo.php) ... What I¹m thinking is determining which Photo File would be Next or Previous to the one being selected, and passing that along to the (photo.php) page. I¹m just not able to figure out how to pick out the next & previous filename and place it in the Query String.
Not sure if this will be of any help, but you could look at the Pager class in PEAR.
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