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<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>Basic trouble shooting</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="ch02.html" title="Chapter 2. The Short Version: Installing the library (for PHP/Apache experts)"></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">Basic trouble shooting</th></tr><tr><td width="20%" align="left"> </td><th width="60%" align="center">Chapter 2. The Short Version: Installing the library (for PHP/Apache experts)</th><td width="20%" align="right"> </td></tr></table><hr></div><div class="sect1" title="Basic trouble shooting"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2475716"></a>Basic trouble shooting</h2></div></div></div>
<p>If none of the examples above to work there is a couple of things that needs to be
checked. If not any of these quick fixes solves the problem then it is best to read
the long version of the installation instructions before continuing the trouble shooting.</p><div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem">
<p>Verify that the GD library is really working by running
<code class="code">phpinfo()</code> and check that your output includes a GD
section which should show similar information as the image below</p>
<p>
</p><div class="figure"><a name="id2475748"></a><p class="title"><b>Figure 2.1. <code class="code">phpinfo()</code> GD sections</b></p><div class="figure-contents">
<div class="mediaobject"><img src="images/phpinfo-gd.png" alt="phpinfo() GD sections"></div>
</div></div><p><br class="figure-break">
</p>
</li><li class="listitem">
<p>Make sure you have enabled strict error checking and disabled output
buffering in <code class="filename">php.ini</code>. This might not solve the
problem by itself but it will enable (better) error messages to trouble
shoot the installation.</p>
</li><li class="listitem">
<p>Make sure that you are using a recent version of PHP (e.g. ≥
PHP 5.2.x)</p>
</li><li class="listitem">
<p>Make sure that the path to the TTF directories are correctly specified
in <code class="filename">jpg-cnfig.inc.php</code></p>
</li></ol></div>
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