求救：两个apache/php?

haola

更新了一下机器上的apache+mysql+php.
然后就进不了pma
cannot load MySQL extension,
please check PHP Configuration.
Documentation

发现/etc下有两个apache
myserver:/etc/apache# ls
access.conf httpd.conf.old modules.conf.dpkg-old
conf httpd.conf.zdss-backup modules.conf.old
conf.d libexec srm.conf
httpd.conf mime.types suggested_corrections
httpd.conf.back modules.conf
httpd.conf-dpkg.netsaint modules.conf.dpkg-dist

myserver:/etc/apache2# ls
conf.d

有两个php
myserver:/etc# ls php3
apache
myserver:/etc# ls php4
apache cgi cli

咋办？