Flickr admin have an interesting WebOps Visualizations Pool and they posted something fascinating. After switching to PHP 5 last week (I am assuming 5.2.9 from 4.4.9) they immediately noticed a reduction in CPU load. They claim the number of Apache connections per second remained persistant after the switch so it was not simply because of a reduction in traffic.
If PHP 5.3 doesn’t go final/gold anytime soon I may just have to try the RC.
Somehow this happened so quietly that I missed it a couple days ago!
PHP 5.3 has hit release candidate 1. (download)
This is exciting because it’s going to be a “free” 15%-20% performance boost over 5.2 for many programs like WordPress and bbPress. It’s the version I am waiting for to finally replace PHP 4.4
What’s new in 5.3 [PDF] http://ilia.ws/files/phpquebec_php53.pdf
Here’s a mini-plugin (single line of code actually) that will prevent the new IE8 (aka Internet Explorer 8 ) from messing up your carefully crafted WordPress or bbPress design.
<?php if (strpos($_SERVER['HTTP_USER_AGENT'],"MSIE 8")) {
header("X-UA-Compatible: IE=7");} ?>
Make a mini-plugin out of it and activate.
(you might be able to put it into functions.php if that executes before other data is sent but I am uncertain – for the extremely lazy you could in theory put it as the very very first line of header.php in your template)
I also have it listed as a more formal plugin over here
For those that don’t want to install IE8 permanently to just test their webpages, this version will run in it’s own virtual box so it doesn’t affect the rest of your system:
http://start-o.xenocode.com/layers/ie8/8-0-0-0__2/ie8.exe
There’s no install, it just runs instantly from that one file.
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