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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.simplexml-load-string" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>simplexml_load_string</refname>
<refpurpose>
Interprets a string of XML into an object
</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type class="union"><type>SimpleXMLElement</type><type>false</type></type><methodname>simplexml_load_string</methodname>
<methodparam><type>string</type><parameter>data</parameter></methodparam>
<methodparam choice="opt"><type class="union"><type>string</type><type>null</type></type><parameter>class_name</parameter><initializer>SimpleXMLElement::class</initializer></methodparam>
<methodparam choice="opt"><type>int</type><parameter>options</parameter><initializer>0</initializer></methodparam>
<methodparam choice="opt"><type>string</type><parameter>namespace_or_prefix</parameter><initializer>""</initializer></methodparam>
<methodparam choice="opt"><type>bool</type><parameter>is_prefix</parameter><initializer>&false;</initializer></methodparam>
</methodsynopsis>
<para>
Takes a well-formed XML string and returns it as an object.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>data</parameter></term>
<listitem>
<para>
A well-formed XML string
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>class_name</parameter></term>
<listitem>
<para>
You may use this optional parameter so that
<function>simplexml_load_string</function> will return an object of
the specified class. That class should extend the
<type>SimpleXMLElement</type> class.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>options</parameter></term>
<listitem>
&dom.parameter.options;
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>namespace_or_prefix</parameter></term>
<listitem>
<para>
Namespace prefix or URI.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>is_prefix</parameter></term>
<listitem>
<para>
&true; if <parameter>namespace_or_prefix</parameter> is a prefix, &false; if it's a URI;
defaults to &false;.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Returns an <type>object</type> of class <type>SimpleXMLElement</type> with
properties containing the data held within the xml document,&return.falseforfailure;.
</para>
&return.falseproblem;
</refsect1>
<refsect1 role="errors"><!-- {{{ -->
&reftitle.errors;
<para>
Produces an <constant>E_WARNING</constant> error message for each error
found in the XML data.
</para>
<tip>
<para>
Use <function>libxml_use_internal_errors</function> to suppress all XML
errors, and <function>libxml_get_errors</function> to iterate over them
afterwards.
</para>
</tip>
</refsect1><!-- }}} -->
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>Interpret an XML string</title>
<programlisting role="php">
<![CDATA[
<?php
$string = <<<XML
<?xml version='1.0'?>
<document>
<title>Forty What?</title>
<from>Joe</from>
<to>Jane</to>
<body>
I know that's the answer -- but what's the question?
</body>
</document>
XML;
$xml = simplexml_load_string($string);
print_r($xml);
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
SimpleXMLElement Object
(
[title] => Forty What?
[from] => Joe
[to] => Jane
[body] =>
I know that's the answer -- but what's the question?
)
]]>
</screen>
<simpara>
At this point, you can go about using <literal>$xml->body</literal>
and such.
</simpara>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>simplexml_load_file</function></member>
<member><methodname>SimpleXMLElement::__construct</methodname></member>
<member><xref linkend="simplexml.examples-errors"/></member>
<member><function>libxml_use_internal_errors</function></member>
<member><xref linkend="simplexml.examples-basic"/></member>
</simplelist>
</para>
</refsect1>
</refentry>
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