The following packages have unmet dependencies:
 php5 : Depends: libapache2-mod-php5 (>= 5.4.4-1~precise+1) but it is not going to be installed or
                 libapache2-mod-php5filter (>= 5.4.4-1~precise+1) but it is not going to be installed or
                 php5-cgi (>= 5.4.4-1~precise+1) but it is not going to be installed or
                 php5-fpm (>= 5.4.4-1~precise+1) but it is not going to be installed