The Dutch PHP Conference has posted their latest podcast in their DPCRadio series as recorded at this year's Dutch PHP Conference - Elizabeth Smith's SPL in the Wild:
The standard PHP library (SPL) is growing in both maturity and use. But a lot of developers still aren't aware of the tools in SPL or simply haven't seen good examples of how to use the code. From interfaces to an autoload stack to classes that make objects act like arrays, there are tools to make every application leaner and faster, or simply more clever. Using live projects from github, take a look at the good, bad, and the ugly of SPL usage in PHP development.
You can listen to this latest episode either via the in-page player or by downloading it directly. You can also subscribe to their feed and get the latest as they're released.