[client 127.0.0.1] PHP Warning: mysql_connect(): Can't connect to local MYSQL....

I read already carefully some threads concerning this topic, but I am not yet able to fix my problem

A) I am runnning FC3 T3 on a DELL LATITUDE laptop D400 with. I am trying to install a php-based application. I am not able to connect to the local MySQL server. The error message
from /var/log/httpd/error_log is: "[client 127.0.0.1] PHP Warning: mysql_connect(): Can't connect to local MYSQL server through socket '/var/lib/mysql/mysql.sock' in var/www/html/xrms/include/adodb/drivers/adodb-mysql.inc.php on line 327
B) MySQL (version -4.17, RPMs downloaded from www.mysql.com) and hhpd
(2.052-2) are up and runnig.
The php installation is as follows (as deliverd on ISO file):
php-odbc-4.3.9-2
php-4.3.9-2
php-jpgraph-1.15-1
php-ldap-4.3.9-2
php-pear-4.3.9-2
php-acid-0.9.6b23-7
php-adodb-4.52-0.fdr.1
php-mbstring-4.3.9-2
php-mysql-4.3.9-2
php-snmp-4.3.9-2
php-domxml-4.3.9-2

C) php.ini; I got a lot of PHP Warnings as depicted underneath until I
removed the following line from php.ini: "extension = mysql.so".
PHP Warning: Function registration failed - duplicate name -> mysql_db_name
in Unknown on line 0

d) <?php phpinfo(); ?> creates the output as shown in attached file

Anybody has an idea what is going wrong? To be honest I am trying to fix this
for a couple of days and I am not able to do it!


I tried everything for a couple of days now, up to re-installing everything,
but I cannot find a fix. I really really would appreciate very much advise of
experts to help me fixing the issue.

Did you install MySQL as a tarball/source or RPM?
I had a similar problem when I installed from the tarball...
I later discovered was the result of me missing a step.

Also, make sure your mysql daemon is running...
try connecting to mysql from the client [as opposed to PHP]