Source of: /manual/en/function.xml-set-element-handler.php
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<div id="function.xml-set-element-handler" class="refentry">
<div class="refnamediv">
<h1 class="refname">xml_set_element_handler</h1>
<p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">xml_set_element_handler</span> — <span class="dc-title">Set up start and end element handlers</span></p>
</div>
<a name="function.xml-set-element-handler.description"></a><div class="refsect1 description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">bool</span> <span class="methodname"><b>xml_set_element_handler</b></span>
( <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$parser</tt></span>
, <span class="methodparam"><span class="type"><a href="language.pseudo-types.php#language.types.callback" class="type callback">callback</a></span> <tt class="parameter">$start_element_handler</tt></span>
, <span class="methodparam"><span class="type"><a href="language.pseudo-types.php#language.types.callback" class="type callback">callback</a></span> <tt class="parameter">$end_element_handler</tt></span>
)</div>
<p class="para rdfs-comment">
Sets the element handler functions for the XML <i><tt class="parameter">parser</tt></i>
.
<i><tt class="parameter">start_element_handler</tt></i>
and
<i><tt class="parameter">end_element_handler</tt></i>
are strings containing
the names of functions that must exist when <a href="function.xml-parse.php" class="function">xml_parse()</a>
is called for <i><tt class="parameter">parser</tt></i>
.
</p>
</div>
<a name="function.xml-set-element-handler.parameters"></a><div class="refsect1 parameters">
<h3 class="title">Parameters</h3>
<p class="para">
</p><dl>
<dt class="varlistentry">
<span class="term"><i><tt class="parameter">parser</tt></i>
</span>
</dt><dd class="listitem">
<p class="para">
</p>
</dd>
<dt class="varlistentry">
<span class="term"><i><tt class="parameter">start_element_handler</tt></i>
</span>
</dt><dd class="listitem">
<p class="para">
The function named by <i><tt class="parameter">start_element_handler</tt></i>
must accept three parameters:
<div class="methodsynopsis dc-description">
<span class="methodname"><span class="replaceable">start_element_handler</span></span>
( <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$parser</tt></span>
, <span class="methodparam"><span class="type">string</span> <tt class="parameter">$name</tt></span>
, <span class="methodparam"><span class="type">array</span> <tt class="parameter">$attribs</tt></span>
)</div>
</p><dl>
<dt class="varlistentry">
<span class="term"><i><tt class="parameter">parser</tt></i>
</span>
</dt><dd class="listitem">
<span class="simpara">
The first parameter, <span class="replaceable">parser</span>, is a
reference to the XML parser calling the handler.
</span>
</dd>
<dt class="varlistentry">
<span class="term"><i><tt class="parameter">name</tt></i>
</span>
</dt><dd class="listitem">
<span class="simpara">
The second parameter, <i><tt class="parameter">name</tt></i>
, contains the name
of the element for which this handler is called.If <a href="xml.case-folding.php" class="link">case-folding</a> is in effect for this
parser, the element name will be in uppercase letters.
</span>
</dd>
<dt class="varlistentry">
<span class="term"><i><tt class="parameter">attribs</tt></i>
</span>
</dt><dd class="listitem">
<span class="simpara">
The third parameter, <i><tt class="parameter">attribs</tt></i>
, contains an
associative array with the element's attributes (if any).The keys
of this array are the attribute names, the values are the attribute
values.Attribute names are <a href="xml.case-folding.php" class="link">case-folded</a> on the same criteria as
element names.Attribute values are <em class="emphasis">not</em>
case-folded.
</span>
<span class="simpara">
The original order of the attributes can be retrieved by walking
through <i><tt class="parameter">attribs</tt></i>
the normal way, using
<a href="function.each.php" class="function">each()</a>.The first key in the array was the first
attribute, and so on.
</span>
</dd>
</dl>
<p>
</p>
<blockquote><p><b class="note">Note</b>: <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>
<dt class="varlistentry">
<span class="term"><i><tt class="parameter">end_element_handler</tt></i>
</span>
</dt><dd class="listitem">
<p class="para">
The function named by <i><tt class="parameter">end_element_handler</tt></i>
must accept two parameters:
<div class="methodsynopsis dc-description">
<span class="methodname"><span class="replaceable">end_element_handler</span></span>
( <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$parser</tt></span>
, <span class="methodparam"><span class="type">string</span> <tt class="parameter">$name</tt></span>
)</div>
</p><dl>
<dt class="varlistentry">
<span class="term"><i><tt class="parameter">parser</tt></i>
</span>
</dt><dd class="listitem">
<span class="simpara">
The first parameter, <span class="replaceable">parser</span>, is a
reference to the XML parser calling the handler.
</span>
</dd>
<dt class="varlistentry">
<span class="term"><i><tt class="parameter">name</tt></i>
</span>
</dt><dd class="listitem">
<span class="simpara">
The second parameter, <i><tt class="parameter">name</tt></i>
, contains the name
of the element for which this handler is called.If <a href="xml.case-folding.php" class="link">case-folding</a> is in effect for this
parser, the element name will be in uppercase letters.
</span>
</dd>
</dl>
<p>
</p>
<p class="para">
If a handler function is set to an empty string, or <b><tt class="constant">FALSE</tt></b>, the handler
in question is disabled.
</p>
</dd>
</dl>
<p>
</p>
</div>
<a name="function.xml-set-element-handler.returnvalues"></a><div class="refsect1 returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns <b><tt class="constant">TRUE</tt></b> on success or <b><tt class="constant">FALSE</tt></b> on failure.
</p>
</div>
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