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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.6 $ -->
<sect1 xml:id="install.unix.commandline" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<title>CGI and command line setups</title>
<para>
The default is to build PHP as a CGI program. This creates a
command line interpreter, which can be used for CGI processing, or
for non-web-related PHP scripting. If you are running a web
server PHP has module support for, you should generally go for
that solution for performance reasons. However, the CGI version
enables users to run different PHP-enabled pages under
different user-ids.
</para>
&warn.install.cgi;
<para>
As of PHP 4.3.0, some important additions have happened to PHP. A new
SAPI named CLI also exists and it has the same name as the CGI binary.
What is installed at <literal>{PREFIX}/bin/php</literal> depends on your
configure line and this is described in detail in the manual section
named <link linkend="features.commandline">Using PHP from the command
line</link>. For further details please read that section of the manual.
</para>
<sect2 xml:id="install.unix.commandline.testing">
<title>Testing</title>
<simpara>
If you have built PHP as a CGI program, you may test your build
by typing <command>make test</command>. It is always a good idea
to test your build. This way you may catch a problem with PHP on
your platform early instead of having to struggle with it later.
</simpara>
</sect2>
<sect2 xml:id="install.unix.commandline.using-variables">
<title>Using Variables</title>
<simpara>
Some <link linkend="reserved.variables.server">server supplied
environment variables</link> are not defined in the
current <link xlink:href="&url.cgispec;">CGI/1.1 specification</link>.
Only the following variables are defined there: <varname>AUTH_TYPE</varname>,
<varname>CONTENT_LENGTH</varname>, <varname>CONTENT_TYPE</varname>,
<varname>GATEWAY_INTERFACE</varname>, <varname>PATH_INFO</varname>,
<varname>PATH_TRANSLATED</varname>, <varname>QUERY_STRING</varname>,
<varname>REMOTE_ADDR</varname>, <varname>REMOTE_HOST</varname>,
<varname>REMOTE_IDENT</varname>, <varname>REMOTE_USER</varname>,
<varname>REQUEST_METHOD</varname>, <varname>SCRIPT_NAME</varname>,
<varname>SERVER_NAME</varname>, <varname>SERVER_PORT</varname>,
<varname>SERVER_PROTOCOL</varname>, and <varname>SERVER_SOFTWARE</varname>.
Everything else should be treated as 'vendor extensions'.
</simpara>
</sect2>
</sect1>
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