config

i am running suncobalt 550 linux system, php.ini and also parse html as php 1) when i try to use ibase_pconnect() to access a remote interbase database, i got this error Fatal error: Call to undefined function: ibase_pconnect() in i went to the php.ini change the set up from ;extension=interbase.so ;extension=pgsql.so to extension=interbase.so extension=pgsql.so and i saved the change of php.ini. but the page still give me error message Fatal error: Call to undefined function: ibase_pconnect() in. 2) i also want to parse html as php, so i went to the apache conf file and below the lines AddType application/x-httpd-php4 .php3 AddType application/x-httpd-php4 .php4 AddType application/x-httpd-php4 .php i add AddType application/x-httpd-php4 .htm AddType application/x-httpd-php4 .html and saved the changes but the html parse to php is still not working. 3) except change these ini or conf files, what else i need to do? do i need to restart the process somehow? thanks. help please!