Running Apache2 With PHP5 And PHP4 At The Same Time

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HowTos

This tutorial shows how to install and configure Apache2 with PHP5 and PHP4 enabled at the same time. Because it is not possible to run both PHP5 and PHP4 as Apache modules, we must run one of them as CGI, the other one as Apache module. In this document I will use PHP5 as Apache module and PHP4 as CGI, and I will describe the setup for the Linux distributions Debian Sarge (3.1) and Ubuntu 5.10 (Breezy Badger).

1 Setup For Debian Sarge (3.1)

First, you must at least have a working basic Debian installation, as described on the first two pages of the "Perfect Setup" tutorial for Debian Sarge here on HowtoForge: http://www.howtoforge.com/perfect_setup_debian_sarge and http://www.howtoforge.com/perfect_setup_debian_sarge_p2

Because PHP5 is not available in the official Debian Sarge repositories, we have to add another repository (packages.dotdeb.org) to /etc/apt/sources.list. Add these two lines:

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