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<h1>Open Power Template 2.0</h1>
<h2>onOpen()</h2>
<p class="generated">@ 02.09.2010</p>
<p class="location"><a href="index.html"><strong>User manual</strong></a> » <a href="api.html">API Reference</a> » <a href="api.opt-block-interface.html">Opt_Block_Interface</a> » <a href="api.opt-block-interface.on-open.html">Opt_Block_Interface::onOpen()</a></p>
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<div id="content"><dl class="location"><dt><a href="api.opt-block-interface.html">7.20. Opt_Block_Interface</a><br/>7.20.2. onOpen()</dt><dd class="prev">7.20.1. onClose()<br/><a href="api.opt-block-interface.on-close.html">« Previous</a></dd><dd class="next">7.20.3. onSingle()<br/><a href="api.opt-block-interface.on-single.html">Next »</a></dd></dl> <h1>7.20.2. onOpen()</h1><div class="tf_reference"><table><tr><th>Construct</th><td>Abstract method</td></tr><tr><th>Visibility</th><td>public</td></tr><tr><th>Reference</th><td><code>boolean onOpen(Array $attributes)</code></td></tr><tr><th>Argument list</th><td><dl><dt><code>$attributes</code> <small>- array</small></dt><dd>The associative array of block tag attributes.</dd></dl></td></tr></table><hr/></div><p>Represents the action that must be performed for a block port opening tag:</p>
<pre class="xml"><span style="color: #009900;"><span style="color: #000000; font-weight: bold;"><opt:block</span> <span style="color: #000066;">from</span>=<span style="color: #ff0000;">"$var"</span><span style="color: #000000; font-weight: bold;">></span></span> <span style="color: #808080; font-style: italic;"><!-- here --></span>
...
<span style="color: #009900;"><span style="color: #000000; font-weight: bold;"></opt:block<span style="color: #000000; font-weight: bold;">></span></span></span></pre>
<p>The method may return <strong>true</strong> or <strong>false</strong> to specify, whether the contents of the tag should be displayed or not.</p>
<h4>See also:</h4><ul><li><a href="api.opt-block-interface.on-close.html">7.20.1. Opt_Block_Interface::onClose()</a></li></ul><dl class="location location-bottom"><dt>7.20.2. onOpen()<br/><a href="api.opt-block-interface.html">7.20. Opt_Block_Interface</a></dt><dd class="prev"><a href="api.opt-block-interface.on-close.html">« Previous</a><br/>7.20.1. onClose()</dd><dd class="next"><a href="api.opt-block-interface.on-single.html">Next »</a><br/>7.20.3. onSingle()</dd></dl> </div>
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