For most INI settings. However the two you specifically want to set need to be set from within either PHPs php.ini, or Apache's httpd.conf, OR .htaccess if your host permits. The syntax for setting PHP ini directives within .htaccess is like so;
# php_value ini_setting "new_value"
# for example:
php_value post_max_size "15M"
The Following User Says Thank You to delayedinsanity For This Useful Post: