asterisk:~/mediawiki-1.10.0# apt-get upgrade php
Reading Package Lists... Done
Building Dependency Tree... Done
The following packages will be upgraded:
  clamav clamav-base clamav-daemon clamav-freshclam file kernel-source-2
  libapache2-mod-php4 libc6 libc6-dev libclamav1 libdps1 libice6 libkrb5
  libmagic1 libpq3 libsm6 libx11-6 libxext6 libxt6 locales maildrop man-
  php4 php4-cli php4-common php4-curl php4-mysql php4-pear php4-snmp pos
  postgresql-dev samba samba-common smbclient squirrelmail xfree86-commo
  xlibs-data
37 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 67.0MB of archives.
After unpacking 307kB disk space will be freed.
Do you want to continue? [Y/n]