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<title>Specifies schema for retrieval</title>
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<h1 class="refname">yaz_schema</h1>
<p class="verinfo">(PHP 4 >= 4.2.0, PECL yaz >= 0.9.0)</p><p class="refpurpose"><span class="refname">yaz_schema</span> — <span class="dc-title">
Specifies schema for retrieval
</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.yaz-schema-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type"><span class="type void">void</span></span> <span class="methodname"><strong>yaz_schema</strong></span>
( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$id</code></span>
, <span class="methodparam"><span class="type">string</span> <code class="parameter">$schema</code></span>
)</div>
<p class="para rdfs-comment">
<span class="function"><strong>yaz_schema()</strong></span> specifies the schema for retrieval.
</p>
<p class="para">
This function should be called before
<span class="function"><a href="function.yaz-search.html" class="function">yaz_search()</a></span> or <span class="function"><a href="function.yaz-present.html" class="function">yaz_present()</a></span>.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.yaz-schema-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">id</code></em></span>
<dd>
<p class="para">
The connection resource returned by <span class="function"><a href="function.yaz-connect.html" class="function">yaz_connect()</a></span>.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">schema</code></em></span>
<dd>
<p class="para">
Must be specified as an OID (Object Identifier) in a raw dot-notation
(like <em>1.2.840.10003.13.4</em>) or as one of the known
registered schemas: <em>GILS-schema</em>,
<em>Holdings</em>, <em>Zthes</em>, ...
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.yaz-schema-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
No value is returned.
</p>
</div>
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