I have a Ubuntu server running Apache2 with PHP 5. In the php.ini I set display_errors = On and error_reporting = E_ALL | E_STRICT, but PHP is st
When you update the configuration in the php.ini file, you might have to restart apache. Try running apachectl restart or apache2ctl restart, or something like that.
Also, in you ini file, make sure you have display_errors = on, but only in a development environment, never in a production machine.
Also, the strictest error reporting is exactly what you have cited, E_ALL | E_STRICT. You can find more information on error levels at the php docs.