Last Updated: August 11, 2000

Installing PHP4

Installing PHP4
There are two different ways to install PHP 4 on a Virtual Server. The best way is to install it as a Dynamic Module. It can also be installed as a CGI to which PHP4 files are redirected by your Virtual Server web server.

NOTE: PHP4 has a large list of known bugs. Please consult the PHP Bug Reporting list if you are finding strange behavior from your PHP4 modules. Some of the more apparent bugs involve multiple file uploads, url rewriting during session handling, and occasional zombies using backtick execution. If any of your existing PHP3 applications rely on some of these features, be sure to test them before making a full commitment to PHP4.

Dynamic Module Installation
Connect to your Virtual Server via Telnet or SSH and do the following.

Upgrade Your Virtual Server Apache (if you aren't already running Apache 1.3).
Install the PHP4 dynamic modules on your Virtual Server.
```
FreeBSD 
```
PHP 4.0.0 % vinstall php4-dso
```
BSD/OS 
```
PHP 4.X.X unavailable
NOTE: If your Virtual Server was ordered after December 1, 1999, you are likely running FreeBSD. To find out which O/S your Virtual Server is running, use the uname command:

% uname
The dynamic module PHP4 installation does not include a PHP configuration file (php.ini). Only the CGI installation (below) includes the configuration file.

Add the following line to the top of your Virtual Server web server configuration file (~/www/conf/httpd.conf) to dynamically load the PHP4 dynamic module. Substitute the name of the dynamic module you want to install for MODULE-NAME.

LoadModule  php4_module  modules/MODULE-NAME

Currently, these PHP4 dynamic modules are available.

FreeBSD PHP 4.0.0
No database support
mod_php4-4.0.0-module.so
mod_php4-4.0.0-module-imap.so
mod_php4-4.0.0-module-ftp-imap-freetype-gd.so
mod_php4-4.0.0-module-mcrypt-freetype-gd.so
mod_php4-4.0.0-module-mcrypt-ftp-imap-freetype-gd-xml.so
mod_php4-4.0.0-module-mcrypt-ftp-imap.so

mSQL database support
mod_php4-4.0.0-module-msql.so
mod_php4-4.0.0-module-msql-imap.so
mod_php4-4.0.0-module-msql-ftp-imap-freetype-gd.so
mod_php4-4.0.0-module-msql-mcrypt-freetype-.so
mod_php4-4.0.0-module-msql-mcrypt-ftp-imap-freetype-gd-xml.so
mod_php4-4.0.0-module-msql-mcrypt-ftp-imap.so

MySQL database support
mod_php4-4.0.0-module-mysql.so
mod_php4-4.0.0-module-mysql-imap.so
mod_php4-4.0.0-module-mysql-ftp-imap-freetype-gd.so
mod_php4-4.0.0-module-mysql-mcrypt-freetype-gd.so
mod_php4-4.0.0-module-mysql-mcrypt-ftp-imap-freetype-gd-xml.so
mod_php4-4.0.0-module-mysql-mcrypt-ftp-imap.so

PostgreSQL database support
mod_php4-4.0.0-module-pgsql.so
mod_php4-4.0.0-module-pgsql-imap.so
mod_php4-4.0.0-module-pgsql-ftp-imap-freetype-gd.so
mod_php4-4.0.0-module-pgsql-mcrypt-freetype-gd.so
mod_php4-4.0.0-module-pgsql-mcrypt-ftp-imap-freetype-gd-xml.so
mod_php4-4.0.0-module-pgsql-mcrypt-ftp-imap.so

BSD/OS 
PHP 4.X.X unavailable

Make the following additions and modifications to your Virtual Server web server configuration file (~/www/conf/httpd.conf).

NOTE: If your Virtual Server was configured before Dec 1, 1998 you will need to make the following additions and modifications in the ~/www/conf/srm.conf file instead. Then, Restart your web server.

Modify the DirectoryIndex line so that PHP4 files will be included as directory indices.
```
DirectoryIndex index.php index.php4 index.php3 index.cgi index.html index.htm
```
Add the following lines so that all files with .php, .php3, .php4, and .phtml extensions will be redirected to the PHP4 dynamic module.
```
AddType application/x-httpd-php .php .php3 .php4
AddType application/x-httpd-php-source .phps
```
If you want to run PHP3 and PHP4 concurrently, add the following lines instead of those above.
```
AddType application/x-httpd-php3 .php3
AddType application/x-httpd-php .php .php4
AddType application/x-httpd-php-source .phps
```
CGI Redirect Installation
Connect to your Virtual Server via Telnet or SSH and do the following.
Install the PHP4 software. Use the commands below, depending upon your Virtual Server O/S to install the basic build of PHP4.
```
FreeBSD 
```
PHP 4.0.0 % vinstall php4
```
BSD/OS 
```
PHP 4.X.X unavailable
NOTE: If your Virtual Server was ordered after December 1, 1999, you are likely running FreeBSD. To find out which O/S your Virtual Server is running, use the uname command:

% uname
We have made a number of PHP4 CGI builds available. To install a build with features that you want, use one of the following commands, instead of those above.
```
FreeBSD PHP 4.0.0
% vinstall php4
% vinstall php4-msql
% vinstall php4-mysql
% vinstall php4-pgsql
```
```
BSD/OS 
```
PHP 4.X.X unavailable
The PHP4 configuration file will be created at ~/usr/local/lib/php.ini instead of ~/usr/local/lib/php3.ini as it was with previous versions of PHP3.
Due to Security Issues the PHP4 CGI is installed at ~/usr/local/bin/php. Do the following to link the PHP4 CGI into your ~/www/cgi-bin directory.
% cd ~/www/cgi-bin % ln ../../../bin/php php

Make the following additions and modifications to your Virtual Server web server configuration file (~/www/conf/httpd.conf).

Modify the DirectoryIndex line so that PHP4 files will be included as directory indices.
```
DirectoryIndex index.php index.php4 index.php3 index.cgi index.html index.htm
```
Add the following lines so that all files with .php, .php3, .php4, and .phtml extensions will be redirected to the PHP4 CGI executable.
```
Action     php4-script /cgi-bin/php
AddHandler php4-script .php .php3 .php4 .phtml
```

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