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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision: 298918 $ -->
<refentry xml:id="splobjectstorage.attach" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>SplObjectStorage::attach</refname>
<refpurpose>Adds an object in the storage</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<modifier>public</modifier> <type>void</type><methodname>SplObjectStorage::attach</methodname>
<methodparam><type>object</type><parameter>object</parameter></methodparam>
<methodparam choice="opt"><type>mixed</type><parameter>data</parameter><initializer>&null;</initializer></methodparam>
</methodsynopsis>
<para>
Adds an <type>object</type> inside the storage, and optionaly associate it to some data.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>object</parameter></term>
<listitem>
<para>
The <type>object</type> to add.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>data</parameter></term>
<listitem>
<para>
The data to associate with the <type>object</type>.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
&return.void;
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title><function>SplObjectStorage::attach</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
$o1 = new StdClass;
$o2 = new StdClass;
$s = new SplObjectStorage();
$s->attach($o1); // similar to $s[$o1] = NULL;
$s->attach($o2, "hello"); // similar to $s[$o2] = "hello";
var_dump($s[$o1]);
var_dump($s[$o2]);
?>
]]>
</programlisting>
&example.outputs.similar;
<screen>
<![CDATA[
NULL
string(5) "hello"
]]>
</screen>
</example>
</para>
</refsect1>
<refsect1 role="changelog">
&reftitle.changelog;
<para>
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>&Version;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
<row>
<entry>5.3.0</entry>
<entry>
Added the <parameter>data</parameter> parameter.
</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><methodname>SplObjectStorage::detach</methodname></member>
<member><methodname>SplObjectStorage::offsetSet</methodname></member>
</simplelist>
</para>
</refsect1>
</refentry>
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