Hello Everyone,
I am looking for a script or guidance in where to look to figure out how to create a php script that resizes an image on the fly when it is called(...)
Image resizing takes a lot of cycles. As opposed to generating a thumbnail every time a visitor comes to your site, cache it.
/* PHP Psuedocode */ thumbnail_file = thumbnail-cache/product.png if(file_exists(thumbnail_file)) print <img src=thumbnail_file /> else generate_thumbnail(source, thumbnail_file); print <img src=thumbnail_file />
This way, the expensive GD hits only take place once, when the thumbnail is first created. Otherwise, you may get a visitor who constantly refreshes and drives up your load average -- and on shared hosting, this can be problematic.
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