From php.net, I've found plenty of examples of how to create thumbnails from files and have done a couple successfully. My objective, however, is to have a page dynamically create multiple thumbnails from full sized images. I don't want to be creating and saving thumbnails to be used later.
Possible? If so, then please just a pointer in the right direction.
Thanks, Kevin
Without going into too much detail, you just need to use one of the examples you found on PHP.net to create the thumbnail, and then rather than calling something like:
imagejpeg('filename.jpg');once you've created the thumbnail, call this instead:
header('Content-Type: image/jpeg');
imagejpeg();That will output the jpeg image to the browser. Obviously this would be in a separate file called from the main script in an img tag, like:
<img src="thumbnail.php?file=some_file_name.jpg" />
A couple of pointers:
1. You'd want to do input checking on the file GET variable to ensure no-one could get hold of stuff they shouldn't.
2. Make sure you don't output anything else in the file that outputs the thumbnail, or it won't work.
HTH -- if you need more specifics let me know.
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