Start with a %mysqld% that can load shared libraries Download myphp from PECL or http://www.sklar.com/page/article/myphp Configure PHP with %--enable-embed=shared% Build PHP ("%make%") Copy %sapi/embed/php_embed.h% to your myphp source directory Build myphp ("%make%") Copy %myphp.so% and %libphp4.so% to %/usr/lib% %mysql> CREATE FUNCTION PHP RETURNS STRING SONAME 'myphp.so';%