I have been interviewed a few times. You can find the links here.

• Linux.com article (2007-02-21)
• DevZone interview (2006-08-30)
• SitePoint.com interview (2002-06-18)
• PHP-GTK: A new way to use PHP power [interviewed by Damien Seguy]
• 10 answers to 10 most important questions [interviewed by Marc Logemann]