You might want to say exactly what the error is that you're getting.
This what the error is:
"apt-get install apache2" will get:
The following packages have unmet dependencies:
apache2: Depends: apache2-mpm-worker (>= 2.2.8-3) but its not going to be installed or
apache2-mpm-prefork (>= 2.2.8-3) but its not going to be installed or
apache2-mpm-event (>= 2.2.8-3) but its not going to be installed or
E: Broken packages
"apt-get install apache2 apache2-mpm-worker" will get:
apache2: Depends: apache2-mpm-worker (>= 2.2.8-3) but 2.2.8-1 is to be installed or
apache2-mpm-prefork (>= 2.2.8-3) but its not going to be installed or
apache2-mpm-event (>= 2.2.8-3) but its not going to be installed or
E: Broken packages
"apt-get install php5 libapache2-mod-php5" will get:
php5: Depends: libapache2-mod-php5 (>= 5.2.5-3) but 5.2.5-2 is to be installed or
php5-cgi ( >= 5.2.5-3) but it is not going to be installed
Depends: php5-common (>= 5.2.5-3) but 5.2.5-2 is to be installed
E: Broken packages
Any Ideas?