How can I upgrade php 4 to php 5

[jancat]

I m using plesk 8.2 how can I upgrade php 4 to 5 ?

 

[atomicturtle]

Ive got PHP 5.2.5 rpms in my yum archive. I support centos 4/5, rhel 4/5, fedora 4-8. You can add the archive with:

wget -q -O - http://www.atomicorp.com/installers/atomic |sh

and the PHP wiki page is here:

http://www.atomicorp.com/wiki/index.php/PHP

 

[jancat]

I did it but I m getting that error on plesk.
ERROR: PleskFatalException
Unable to connect to database: mysql_connect() [<a href='function.mysql-connect'>function.mysql-connect</a>]: Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)

0: /usr/local/psa/admin/plib/common_func.php3:158
psaerror(string 'Unable to connect to database: mysql_connect() [<a href='function.mysql-connect'>function.mysql-connect</a>]: Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)')
1: /usr/local/psa/admin/auto_prepend/auth.php3:87

 

[jancat]

I solved thank you

 

[ashish k]

how you solved the problem

I am facing the same problem I upgraded my php from 5.1 to 5.2 and plesk is showing the same error. Please reply soon
Thankls in advance