Free MySQL Load Balancing PHP script.
For load balanced access to your MySQL servers when you are using MySQL replication between one (or many) master and many slaves.
This script does reads on slaves and writes on master(s). It automatically checks if the challenger slave is "fresh enough" to read on it.
The script is actually used in real conditions, prove of the capabilities. That also needed from me to erase some sections of the code replaced by a "TODO" commentary with instruction...