php-doc-en/reference/xml/functions/xml-set-character-data-handler.xml
2007-08-17 21:21:56 +00:00

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XML

<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.9 $ -->
<refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.xml-set-character-data-handler">
<refnamediv>
<refname>xml_set_character_data_handler</refname>
<refpurpose>Set up character data handler</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>bool</type><methodname>xml_set_character_data_handler</methodname>
<methodparam><type>resource</type><parameter>parser</parameter></methodparam>
<methodparam><type>callback</type><parameter>handler</parameter></methodparam>
</methodsynopsis>
<para>
Sets the character data handler function for the XML parser
<parameter>parser</parameter>.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>parser</parameter></term>
<listitem>
<para>
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>handler</parameter></term>
<listitem>
<para>
<parameter>handler</parameter> is a string containing the name of a
function that must exist when <function>xml_parse</function> is called
for <parameter>parser</parameter>.
</para>
<para>
The function named by <parameter>handler</parameter> must accept
two parameters:
<methodsynopsis>
<methodname><replaceable>handler</replaceable></methodname>
<methodparam><type>resource</type><parameter>parser</parameter></methodparam>
<methodparam><type>string</type><parameter>data</parameter></methodparam>
</methodsynopsis>
<variablelist>
<varlistentry>
<term><parameter>parser</parameter></term>
<listitem>
<simpara>
The first parameter, <replaceable>parser</replaceable>, is a
reference to the XML parser calling the handler.
</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>data</parameter></term>
<listitem>
<simpara>
The second parameter, <parameter>data</parameter>, contains
the character data as a string.
</simpara>
</listitem>
</varlistentry>
</variablelist>
</para>
<para>
Character data handler is called for every piece of a text in the XML
document. It can be called multiple times inside each fragment (e.g.
for non-ASCII strings).
</para>
<para>
If a handler function is set to an empty string, or &false;, the handler
in question is disabled.
</para>
&note.func-callback;
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
&return.success;
</para>
</refsect1>
</refentry>
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