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		<h1>Open Power Libs 2.0</h1>
		<h2>Standard installation</h2>
		<p class="generated">@ 02.09.2010</p>
		<p class="location"><a href="index.html"><strong>User manual</strong></a> &raquo; <a href="installation.html">Installation</a> &raquo; <a href="installation.standard.html">Standard installation</a></p>
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	<div id="content"><dl class="location"><dt><a href="installation.html">2. Installation</a><br/>2.1. Standard installation</dt><dd class="prev">2. Installation<br/><a href="installation.html">&laquo; Previous</a></dd><dd class="next">2.2. PHAR installation<br/><a href="installation.phar.html">Next &raquo;</a></dd></dl>	<h1>2.1. Standard installation</h1><p>Create a single directory for the OPL libraries code called "installation directory". Each OPL package contains an <code>/lib</code> folder whose must be copied to the installation directory.</p>

<p>In order to use OPL libraries in your project, you need to load the core file and register an autoloader:</p>

<pre class="php"><span style="color: #b1b100;">require</span><span style="color: #009900;">&#40;</span><span style="color: #0000ff;">'../../lib/Opl/Base.php'</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span>
Opl_Loader<span style="color: #339933;">::</span><span style="color: #004000;">setDirectory</span><span style="color: #009900;">&#40;</span><span style="color: #0000ff;">'../../lib/'</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span>
Opl_Loader<span style="color: #339933;">::</span><span style="color: #004000;">register</span><span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span>
&nbsp;
<span style="color: #666666; font-style: italic;">// use the libraries now</span></pre>

<p>OPL uses exceptions to report problems and errors. It is recommended to capture them. The basic exception class used by the libraries is <code>Opl_Exception</code>, but each of the libraries provides also its own class. OPL contains also the default exception handler:</p>

<pre class="php"><span style="color: #b1b100;">require</span><span style="color: #009900;">&#40;</span><span style="color: #0000ff;">'../../lib/Opl/Base.php'</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span>
Opl_Loader<span style="color: #339933;">::</span><span style="color: #004000;">setDirectory</span><span style="color: #009900;">&#40;</span><span style="color: #0000ff;">'../../lib/'</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span>
Opl_Loader<span style="color: #339933;">::</span><span style="color: #004000;">register</span><span style="color: #009900;">&#40;</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span>
&nbsp;
try
<span style="color: #009900;">&#123;</span>
    <span style="color: #666666; font-style: italic;">// your code</span>
<span style="color: #009900;">&#125;</span>
catch<span style="color: #009900;">&#40;</span>Opl_Exception <span style="color: #000088;">$exception</span><span style="color: #009900;">&#41;</span>
<span style="color: #009900;">&#123;</span>
    Opl_Error_Handler<span style="color: #009900;">&#40;</span><span style="color: #000088;">$exception</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span>
<span style="color: #009900;">&#125;</span></pre>
<dl class="location location-bottom"><dt>2.1. Standard installation<br/><a href="installation.html">2. Installation</a></dt><dd class="prev"><a href="installation.html">&laquo; Previous</a><br/>2. Installation</dd><dd class="next"><a href="installation.phar.html">Next &raquo;</a><br/>2.2. PHAR installation</dd></dl>		</div>
	
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