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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.bzdecompress" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>bzdecompress</refname>
<refpurpose>Decompresses bzip2 encoded data</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type class="union"><type>string</type><type>int</type><type>false</type></type><methodname>bzdecompress</methodname>
<methodparam><type>string</type><parameter>data</parameter></methodparam>
<methodparam choice="opt"><type>bool</type><parameter>use_less_memory</parameter><initializer>&false;</initializer></methodparam>
</methodsynopsis>
<para>
<function>bzdecompress</function> decompresses the given string containing
bzip2 encoded data.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>data</parameter></term>
<listitem>
<para>
The string to decompress.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>use_less_memory</parameter></term>
<listitem>
<para>
If &true;, an alternative decompression algorithm will be used which
uses less memory (the maximum memory requirement drops to around 2300K)
but works at roughly half the speed.
</para>
<para>
See the <link xlink:href="&url.bzip2;">bzip2 documentation</link> for more
information about this feature.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
The decompressed string, or &false; or an error number if an error occurred.
</para>
</refsect1>
<refsect1 role="changelog">
&reftitle.changelog;
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>&Version;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
<row>
<entry>8.0.0</entry>
<entry>
The type of <parameter>use_less_memory</parameter> has been changed from
<type>int</type> to <type>bool</type>. Previously, the default value was
<literal>0</literal>.
</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>Decompressing a String</title>
<programlisting role="php">
<![CDATA[
<?php
$start_str = "This is not an honest face?";
$bzstr = bzcompress($start_str);
echo "Compressed String: ";
echo $bzstr;
echo "\n<br />\n";
$str = bzdecompress($bzstr);
echo "Decompressed String: ";
echo $str;
echo "\n<br />\n";
?>
]]>
</programlisting>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>bzcompress</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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