The latest weekly summary for the PHP mailing lists has been posted over on the Zend Developer Zone. This week, discussions included:

• Sandboxed semaphores
• Focus on *printf [continued]
• PHP 5.2.1 RC2 and PHP 4.4.5 RC1
• It's all in the HEAD

Descriptions of each of the headings are provided, including code and a "short version" for those on the run.

Be sure to check back each week for a new summary.