For those of you using Delphi for PHP version 2.0 with Oracle databases using the native components for Oracle, here are some links to useful technical information.

• PHP Scalability and High Availability
  Database Resident Connection Pooling and Fast Application Notification
  An Oracle White Paper, April 2008 (PDF format)
• Presentation: Web Scale PHP Database Connection Management by Christopher Jones, Product Development, Oracle. Presented at the PHP|Tek conference, May 2008 (PDF format)
• The Underground PHP and Oracle® Manual
  Release 1.4 (PDF format)
• Oracle's PHP Developer Center