Webtatic.com

The performance of a website is an important issue. Even fast responding dynamic pages can be hit with problems with sub-optimal static content such as high overhead on many HTTP requests and large javascript/css files. Tools like YSlow, and Google Page Speed help identify these problem areas.
Webtatic Optimizer is a tool that can be used [...]

Using the PHP OpenSSL extension it is fairly easy to sort out a secure system for encrypting data with one key that only can be decrypted with another.

My previous articles on installing PHP on CentOS dealt with installing PHP 5.2.6. I have found this to have some bugs that kill the process without error information. One bug I found, which was on an x86_64 server, was that converting an object to a string did this.
So, I have compiled the latest PHP version, [...]

Update 20th June 2009 – I found a bug in PHP 5.2.9, so I have compiled 5.2.9 rpms, including the ones that this article talks about, check out the article here.
Update 23rd May 2009 – It appears dbase, readline, json and filter were included either compiled into php or as a shared module in php-common, [...]

Update 20th June 2009 – I found a bug in PHP 5.2.6, so I have compiled 5.2.10 rpms and provided a repository from which to install them, check out the article here.
Update 19th May 2009 – I have written an article here detailing how to build RPMs and install some additional php extensions, which although [...]

Update 1st June 2009 – Added a note mentioning about case-insensitive comparisons in MySQL.
I’ve been looking at generating random identifiers in PHP, and making sure they are random enough. Looking at the PHP function uniqid(), and its suggested better token, I don’t think this is an adiquate enough way:

$better_token = md5(uniqid(mt_rand(), true));