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<title>Set up notation declaration handler</title>
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<h1 class="refname">xml_set_notation_decl_handler</h1>
<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">xml_set_notation_decl_handler</span> — <span class="dc-title">Set up notation declaration handler</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.xml-set-notation-decl-handler-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">bool</span> <span class="methodname"><strong>xml_set_notation_decl_handler</strong></span>
( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$parser</code></span>
, <span class="methodparam"><span class="type"><a href="language.types.callable.html" class="type callable">callable</a></span> <code class="parameter">$handler</code></span>
)</div>
<p class="para rdfs-comment">
Sets the notation declaration handler function for the XML parser
<code class="parameter">parser</code>.
</p>
<p class="para">
A notation declaration is part of the document's DTD and has the
following format:
<div class="example-contents">
<div class="xmlcode"><pre class="xmlcode"><!NOTATION <parameter>name</parameter>
{ <parameter>systemId</parameter> | <parameter>publicId</parameter>?></pre>
</div>
</div>
See <a href="http://www.w3.org/TR/1998/REC-xml-19980210#Notations" class="link external">» section 4.7 of the XML 1.0
spec</a> for the definition of notation declarations.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.xml-set-notation-decl-handler-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<code class="parameter">parser</code></dt>
<dd>
<p class="para">
A reference to the XML parser to set up notation declaration handler function.
</p>
</dd>
<dt>
<code class="parameter">handler</code></dt>
<dd>
<p class="para">
<code class="parameter">handler</code> is a string containing the name of a
function that must exist when <span class="function"><a href="function.xml-parse.html" class="function">xml_parse()</a></span> is called
for <code class="parameter">parser</code>.
</p>
<p class="para">
The function named by <code class="parameter">handler</code> must accept
five parameters:
<div class="methodsynopsis dc-description">
<span class="methodname"><span class="replaceable">handler</span></span>
( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$parser</code></span>
, <span class="methodparam"><span class="type">string</span> <code class="parameter">$notation_name</code></span>
, <span class="methodparam"><span class="type">string</span> <code class="parameter">$base</code></span>
, <span class="methodparam"><span class="type">string</span> <code class="parameter">$system_id</code></span>
, <span class="methodparam"><span class="type">string</span> <code class="parameter">$public_id</code></span>
)</div>
<dl>
<dt>
<code class="parameter">parser</code>
</dt>
<dd>
<span class="simpara">
The first parameter, <span class="replaceable">parser</span>, is a
reference to the XML parser calling the handler.
</span>
</dd>
<dt>
<code class="parameter">notation_name</code></dt>
<dd>
<span class="simpara">
This is the notation's <code class="parameter">name</code>, as per
the notation format described above.
</span>
</dd>
<dt>
<code class="parameter">base</code>
</dt>
<dd>
<span class="simpara">
This is the base for resolving the system identifier
(<code class="parameter">system_id</code>) of the notation declaration.
Currently this parameter will always be set to an empty string.
</span>
</dd>
<dt>
<code class="parameter">system_id</code></dt>
<dd>
<span class="simpara">
System identifier of the external notation declaration.
</span>
</dd>
<dt>
<code class="parameter">public_id</code>
</dt>
<dd>
<span class="simpara">
Public identifier of the external notation declaration.
</span>
</dd>
</dl>
</p>
<p class="para">
If a handler function is set to an empty string, or <strong><code>FALSE</code></strong>, the handler
in question is disabled.
</p>
<blockquote class="note"><p><strong class="note">Note</strong>: <span class="simpara">Instead of a function name, an
array containing an object reference and a method name can also be
supplied.</span></p></blockquote>
</dd>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.xml-set-notation-decl-handler-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns <strong><code>TRUE</code></strong> on success or <strong><code>FALSE</code></strong> on failure.
</p>
</div>
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