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<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>Part I - Installing PHP4</title><link rel="stylesheet" type="text/css" href="manual.css"><meta name="generator" content="DocBook XSL Stylesheets V1.76.0"><link rel="home" href="index.html" title="JpGraph Manual"><link rel="up" href="apj.html" title="Appendix J. Setting up PHP5 in parallel with PHP4 in SuSE 10.1"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Part I - Installing PHP4</th></tr><tr><td width="20%" align="left"> </td><th width="60%" align="center">Appendix J. Setting up PHP5 in parallel with PHP4 in SuSE 10.1</th><td width="20%" align="right"> </td></tr></table><hr></div><div class="section" title="Part I - Installing PHP4"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2654589"></a>Part I - Installing PHP4</h2></div></div></div>
<div class="section" title="Step one; Compiling PHP4 as a module for Apache2"><div class="titlepage"><div><div><h3 class="title"><a name="id2654605"></a>Step one; Compiling PHP4 as a module for Apache2</h3></div></div></div>
<p>First download the latest PHP4 tar-ball from php.net or the closest mirror and
unpack it in a temporary directory. </p>
<p>Since we will compile PHP4 ourself we need first to make sure a number of
libraries and the corresponding header files are installed in the system in order to
be able to compile PHP4. This is done by installing a number of "*-devel.rpm" on
your server. Depending your wanted configuration different development libraries
must be made available. </p>
<p>At the very minimum you will need the "apache2-devel.rpm" which provides the
"/sbin/apxs2" (Apache eXtenSion 2) command used to build modules with Apache2. Other
modules you might need are </p>
<p>
</p><div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem">
<p>jpeg-devel.rpm </p>
</li><li class="listitem">
<p>png-devel.rpm </p>
</li><li class="listitem">
<p>mm-devel.rpm </p>
</li><li class="listitem">
<p>xml2-devel.rpm </p>
</li><li class="listitem">
<p>mysql-devel.rpm </p>
</li><li class="listitem">
<p>...</p>
</li></ul></div><p>
</p>
<p>Before you compile PHP4 you need to configure it by running the "./configure"
command with the options you want to be included in PHP4. </p>
<p>We use a small shell script called "mkphp4-sapi" to avoid having to re-type all
the options each time we compile a new version of PHP. The options we use for a
typical development server are (you might want to use other options) </p>
<p>
</p><div class="hl-main"><table class="hl-table" width="100%"><tr><td class="hl-gutter" align="right" valign="top"><pre>1
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</pre></td><td class="hl-main" valign="top"><pre><span class="hl-code">#! /bin/sh
./configure --prefix=/usr/share \
--datadir=/usr/share/php4 \
--with-apxs2=/usr/sbin/apxs2 \
--libdir=/usr/share \
--includedir=/usr/include \
--bindir=/usr/bin \
--with-config-file-path=/etc/php4/apache2 \
--enable-mbstring --enable-mbregex \
--with-mysql \
--with-gd --enable-gd-imgstrttf --enable-gd-native-ttf \
--with-zlib-dir=/usr/lib \
--with-png-dir=/usr/lib \
--with-jpeg-dir=/usr/lib --with-xpm-dir=/usr/X11R6 \
--with-tiff-dir=/usr/lib --with-ttf-dir=/usr/lib \
--with-freetype-dir=/usr/lib \
--enable-ftp \
--enable-memory-limit --enable-safe-mode \
--bindir=/usr/bin \
--enable-bcmath -enable-calendar \
--enable-ctype --with-ftp \
--enable-magic-quotes \
--enable-inline-optimization \
--with-bz2 \
--with-iconv</span></pre></td></tr></table></div><p>
</p>
<p>However there are one thing You should take notice of. We have specified the
config file path (where the php.ini resides) to "/etc/php4/apache2/" as You can
probably guess from this naming convention it will make it possible to have
different ini files for both PHP4 and PHP5. In fact we have four different ini files
according to </p>
<p>
</p><div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem">
<p>"<code class="filename">/etc/php4/apache2/php.ini</code>" Used by the apache
SAPI module version of PHP4 </p>
</li><li class="listitem">
<p>"<code class="filename">/etc/php4/cli/php.ini</code>" Used by the standalone
client version of PHP4 (/usr/bin/php4) </p>
</li><li class="listitem">
<p>"<code class="filename">/etc/php5/apache2/php.ini</code>" Used by the apache
CGI version of PHP5 </p>
</li><li class="listitem">
<p>"<code class="filename">/etc/php5/cli/php.ini</code>" Used by the standalone
client version of PHP5 (/usr/bin/php5) </p>
</li></ol></div><p>
</p>
<p>When you run this you might get some errors saying that the configuration file
cannot find some library. This is a sign that you might have the library installed
but not yet have the "*-devel" RPM version added to your system which is needed
since this is where all the usual header files needed for compilation would be. </p>
<p>So for example if you get an error like "Cannot find PNG libraries. Please check
your that the corresponding "png-devel" library is installed and if not go back to
Yast2 and install the needed "*-devel.rpm" versions of the libraries. </p>
<p>When You have been able to successfully run the ./configuration command it is time
to compile. Type "make" as usual but do not type "make install", now wait until the
compilation finishes. </p>
<p>
</p><div class="note" title="Note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3>
<p>If you are on a Pentium4 HT or on a real dual CPU machine you can speed up
the compilation by instead giving the "make -j3" command which will start up
3 concurrent compilation processes.</p>
</div><p>
</p>
<p>Again; Do not run "<code class="code">make install</code>" since this will try to modify the
configuration files in a way that isn't SuSE friendly. </p>
<p>The resulting PHP4 that you have built can be found in
"<code class="filename">.libs/libphp4.so</code>". Now we only want to copy this file to
the location of the other Apache2 modules. </p>
<p>
</p><div class="note" title="Note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3>
<p>Again, PHP is only guaranteed to work with the non-threaded version of
Apache2, which means that you should have installed the "apache2-prefork"
MPM and NOT the "apache2-worker" MPM. </p>
</div><p>
</p>
<p>If you have correctly installed the prefork MPM several existing modules should
now be installed in "<code class="filename">/usr/lib/apache2-prefork/</code>". </p>
<p>So the only thing that now remains is to copy
"<code class="filename">.libs/libphp4.so</code>" to
"<code class="filename">/usr/apache2-prefork/</code>" in order for Apache to find PHP4 as
a module. </p>
</div>
<div class="section" title="Step two; Enable the PHP4 module in the Apache2 configuration"><div class="titlepage"><div><div><h3 class="title"><a name="id2654607"></a>Step two; Enable the PHP4 module in the Apache2 configuration</h3></div></div></div>
<p>There are three steps to needed to enable PHP4 in Apache. </p>
<p>
</p><div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem">
<p>Add php4 to the APACHE_MODULE string in "/etc/sysconfig/apache2" in
order so that the startup script in SuSE will add the appropriate
LoadModule statement so that Apache will load PHP4 as a module. In our
case our module string will look like </p>
<p>
</p><div class="hl-main"><table class="hl-table" width="100%"><tr><td class="hl-gutter" align="right" valign="top"><pre>1
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</pre></td><td class="hl-main" valign="top"><pre><span class="hl-code">APACHE_MODULES=&quot;access actions alias auth auth_dbm autoindex cgi \
dir env expires include log_config mime negotiation setenvif ssl \
suexec userdir dav dav_svn php4 &quot;</span></pre></td></tr></table></div><p>
</p>
</li><li class="listitem">
<p>Telling Apache to run files ending in *.php through the PHP4 module.
This is done by specifying the MIME type which the PHP4 module
registered itself with. In addition we also tell Apache to search for
the appropriate PHP index files in case a directory name is given as the
URL. We do this by creating a file "<code class="filename">php4.conf</code>" with
the following content </p>
<p>
</p><div class="hl-main"><table class="hl-table" width="100%"><tr><td class="hl-gutter" align="right" valign="top"><pre>1
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</pre></td><td class="hl-main" valign="top"><pre><span class="hl-code">&lt;IfModule sapi_apache2.c&gt;
AddType application/x-httpd-php .php3
AddType application/x-httpd-php .php4
AddType application/x-httpd-php .php
AddType application/x-httpd-php-source .php3s
AddType application/x-httpd-php-source .php4s
AddType application/x-httpd-php-source .phps
DirectoryIndex index.php3
DirectoryIndex index.php4
DirectoryIndex index.php
&lt;/IfModule&gt;</span></pre></td></tr></table></div><p>
</p>
<p>and place it in the "<code class="filename">/etc/apache2/conf.d/</code>"
directory. This will guarantee that it will be read upon startup. The
"<code class="code">IfModule</code>" statement in the beginning is just to avoid
the statements to be executed in case the PHP4 module is not loaded (we
test this by checking if the "<code class="code">sapi_apache2.c</code>" has been
activated in Apache). </p>
</li><li class="listitem">
<p>The final step now is to restart Apache by doing (as root) </p>
<p>
</p><div class="hl-main"><table class="hl-table" width="100%"><tr><td class="hl-gutter" align="right" valign="top"><pre>1
</pre></td><td class="hl-main" valign="top"><pre><span class="hl-code">$&gt; /etc/init.d/apache2 restart</span></pre></td></tr></table></div><p>
</p>
</li></ol></div><p>
</p>
<p>In order to verify that PHP has been enabled run a standard PHP script; for
example by copying the following script to "<code class="filename">/srv/www/htdocs/</code>" </p>
<p>
</p><div class="hl-main"><table class="hl-table" width="100%"><tr><td class="hl-gutter" align="right" valign="top"><pre>1
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</pre></td><td class="hl-main" valign="top"><pre><span class="hl-inlinetags">&lt;?php</span><span class="hl-code">
</span><span class="hl-identifier">phpinfo</span><span class="hl-brackets">(</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-inlinetags">?&gt;</span></pre></td></tr></table></div><p>
</p>
<p>and name it as "<code class="filename">phpinfo.php</code>" . If you now go to your favorite
browser and run this script as "http://localhost/phpinfo.php" you should get the
standard PHP4 information presented as a quite big table. </p>
</div>
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