Monday, 5th May 2003
Instant caching with PHP
I’ve been getting more database timeout errors today, probably due to increased traffic from links to recent entries. A permanent solution would be to switch to generating static HTML (this site is currently dynamically generated for every request), but I don’t have time for a full re-write at the moment. Luckily, PHP offers an extremely simple solution to dynamic caching in the form of output buffering. The front page of the site (which generates by far the most traffic) is now served from a cached copy if it has been cached within the last 5 minutes. Best of all, I didn’t have to edit any of my core application logic—I just dropped in some extra code at the top and bottom of the index.php file. Here’s how it works:
Better structural markup rants
Better structural markup rants than mine: Owen Briggs’ classic Design Rant and Craig Saila’s Tables or CSS? Choosing a Layout. Incidentally, my rant has sparked some excellent feedback in the comments section.
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