Selecting previously deselected package php5.
(Reading database ... 31754 files and directories currently installed.)
Unpacking php5 (from php5_5.2.3-1_all.deb) ...
dpkg: dependency problems prevent configuration of php5:
 php5 depends on libapache2-mod-php5 (>= 5.2.3-1) | php5-cgi (>= 5.2.3-1); however:
  Package libapache2-mod-php5 is not installed.
  Package php5-cgi is not installed.
 php5 depends on php5-common (>= 5.2.3-1); however:
  Version of php5-common on system is 5.1.6-1~bpo.1.
dpkg: error processing php5 (--install):
 dependency problems - leaving unconfigured
Errors were encountered while processing:
 php5