php-doc-en/reference/apc/functions/apc-fetch.xml
2010-05-25 01:46:16 +00:00

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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.apc-fetch" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>apc_fetch</refname>
<refpurpose>
Fetch a stored variable from the cache
</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>mixed</type><methodname>apc_fetch</methodname>
<methodparam><type>mixed</type><parameter>key</parameter></methodparam>
<methodparam choice="opt"><type>bool</type><parameter role="reference">success</parameter></methodparam>
</methodsynopsis>
<para>
Fetchs a stored variable from the cache.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>key</parameter></term>
<listitem>
<para>
The <parameter>key</parameter> used to store the value (with
<function>apc_store</function>). If an array is passed then each
element is fetched and returned.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>success</parameter></term>
<listitem>
<para>
Set to &true; in success and &false; in failure.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
The stored variable or array of variables on success; &false; on failure
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>A <function>apc_fetch</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
$bar = 'BAR';
apc_store('foo', $bar);
var_dump(apc_fetch('foo'));
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
string(3) "BAR"
]]>
</screen>
</example>
</para>
</refsect1>
<refsect1 role="changelog">
&reftitle.changelog;
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>&Version;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
<row>
<entry>3.0.17</entry>
<entry>
The <parameter>success</parameter> parameter was added.
</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>apc_store</function></member>
<member><function>apc_delete</function></member>
<member><classname>APCIterator</classname></member>
</simplelist>
</para>
</refsect1>
</refentry>
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