nadia@aurora:~$ sudo aptitude search php4
ci  libapache-mod-php4              - server-side, HTML-embedded scripting langu
p   libapache2-mod-php4             - server-side, HTML-embedded scripting langu
p   php4                            - server-side, HTML-embedded scripting langu
p   php4-apd                        - PHP code execution profiler and debugger
p   php4-auth-pam                   - A PHP extension for PAM authentication
p   php4-cgi                        - server-side, HTML-embedded scripting langu
p   php4-clamavlib                  - PHP ClamAV Lib - ClamAV Interface for PHP4
p   php4-cli                        - command-line interpreter for the php4 scri
pi  php4-common                     - Common files for packages built from the p
p   php4-curl                       - CURL module for php4
p   php4-dbtcp                      - PHP bindings for DBTCP
p   php4-dev                        - Files for PHP4 module development
p   php4-domxml                     - XMLv2 module for php4
p   php4-gd                         - GD module for php4
v   php4-gd2                        -
p   php4-gpib                       - libgpib php bindings
p   php4-idn                        - PHP api for the IDNA library
p   php4-imagick                    - ImageMagick module for php4
p   php4-imap                       - IMAP module for php4
p   php4-interbase                  - interbase/firebird module for php4
p   php4-json                       - json serialiser for PHP4
p   php4-kadm5                      - An extension to manage kerberos admin info
p   php4-lasso                      - Liberty ID-FF library - PHP 4 bindings
p   php4-ldap                       - LDAP module for php4
p   php4-mapscript                  - module for php4-cgi to use mapserver
p   php4-maxdb                      - PHP extension to access MaxDB databases
p   php4-mcal                       - MCAL calendar module for php4
p   php4-mcrypt                     - MCrypt module for php4
p   php4-mhash                      - MHASH module for php4
pi  php4-mysql                      - MySQL module for php4
p   php4-odbc                       - ODBC module for php4
p   php4-pear                       - PHP Extension and Application Repository (
p   php4-pear-log                   - Log module for PEAR
v   php4-pecl-ps                    -
p   php4-pgsql                      - PostgreSQL module for php4
p   php4-ps                         - An extension to create PostScript files
p   php4-pspell                     - pspell module for php4
p   php4-recode                     - Character recoding module for php4
p   php4-rrdtool                    - RRD module for php4
p   php4-snmp                       - SNMP module for php4
p   php4-spplus                     - Secured payment system of the Caisse d'Epa
p   php4-sqlite                     - PHP4 bindings to SQLite, a file-based SQL
p   php4-sqlrelay                   - SQL Relay PHP API
p   php4-sybase                     - Sybase / MS SQL Server module for php4
p   php4-tclink                     - TrustCommerce TCLink module for php4
p   php4-uuid                       - OSSP uuid module for php4
p   php4-xslt                       - XSLT module for php4
p   php4-yaz                        - php/yaz z39.50 module