http://www.jst.mfeed.ad.jp/others/04.html

http://www.petefreitag.com/cheatsheets/postgresql/

http://www.phpguru.org/article.php?ne_id=67

http://www.hardened-php.net/hardening-patch_v043_released.72.html

PHP Security by Example http://shiflett.org/archive/143Web Services in PHP http://ilia.ws/archives/74-PHPWorks-Webservices-Slides.html