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		<h1>Open Power Template 2.0</h1>
		<h2>setContentType()</h2>
		<p class="generated">@ 02.09.2010</p>
		<p class="location"><a href="index.html"><strong>User manual</strong></a> &raquo; <a href="api.html">API Reference</a> &raquo; <a href="api.opt-output-http.html">Opt_Output_Http</a> &raquo; <a href="api.opt-output-http.set-content-type.html">Opt_Output_Http::setContentType()</a></p>
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	<div id="content"><dl class="location"><dt><a href="api.opt-output-http.html">7.3. Opt_Output_Http class</a><br/>7.3.4. setContentType()</dt><dd class="prev">7.3.3. sendHeaders()<br/><a href="api.opt-output-http.send-headers.html">&laquo; Previous</a></dd><dd class="next">7.3.5. setHeader()<br/><a href="api.opt-output-http.set-header.html">Next &raquo;</a></dd></dl>	<h1>7.3.4. setContentType()</h1><div class="tf_reference"><table><tr><th>Construct</th><td>Method</td></tr><tr><th>Visibility</th><td>public</td></tr><tr><th>Reference</th><td><code>void setContentType( [ mixed $contentType [, string $charset ]] )</code></td></tr><tr><th>Argument list</th><td><dl><dt><code>$contentType</code> <small>- mixed</small></dt><dd>The requested content type defined either in the string form or with the class constants</dd><dt><code>$charset</code> <small>- string</small></dt><dd>The content encoding</dd></dl></td></tr></table><hr/></div><p>Generates the <code>Content-type</code> header. If any of the arguments is not specified or its value is <strong>null</strong>, it is taken from the OPT configuration. The <code>$contentType</code> can be either the name of the MIME type or the <code>Opt_Output_Http</code> class constant that identifies a particular type:</p>

<ol>
<li><code>Opt_Output_Http::HTML</code></li>
<li><code>Opt_Output_Http::XHTML</code></li>
<li><code>Opt_Output_Http::FORCED_XHTML</code></li>
<li><code>Opt_Output_Http::WML</code></li>
<li><code>Opt_Output_Http::XML</code></li>
<li><code>Opt_Output_Http::TXT</code></li>
</ol>

<p>If the OPC library is present, the <code>contentNegotiation</code> configuration directive is allowed. In this case the method uses the <code>Opc_Visit</code> class to verify if the browser supports the specified MIME type.</p>

<blockquote class="error">
  <p>Do not turn on <code>contentNegotiation</code> unless you have Open Power Classes installed!</p>
</blockquote>

<p>The difference between <code>Opt_Output_Http::XHTML</code> and <code>Opt_Output_Http::FORCED_XHTML</code> is visible only if the content negotiation is active. <code>Opt_Output_Http::FORCED_XHTML</code> generates the XHTML content type always, if browser supports it, while in <code>Opt_Output_Http::XHTML</code> it must also have a higher priority than <code>text/html</code>.</p>
<dl class="location location-bottom"><dt>7.3.4. setContentType()<br/><a href="api.opt-output-http.html">7.3. Opt_Output_Http class</a></dt><dd class="prev"><a href="api.opt-output-http.send-headers.html">&laquo; Previous</a><br/>7.3.3. sendHeaders()</dd><dd class="next"><a href="api.opt-output-http.set-header.html">Next &raquo;</a><br/>7.3.5. setHeader()</dd></dl>		</div>
	
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