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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="phar.converttoexecutable" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>Phar::convertToExecutable</refname>
<refpurpose>Convert a phar archive to another executable phar archive file format</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis role="Phar">
<modifier>public</modifier> <type class="union"><type>Phar</type><type>null</type></type><methodname>Phar::convertToExecutable</methodname>
<methodparam choice="opt"><type class="union"><type>int</type><type>null</type></type><parameter>format</parameter><initializer>&null;</initializer></methodparam>
<methodparam choice="opt"><type class="union"><type>int</type><type>null</type></type><parameter>compression</parameter><initializer>&null;</initializer></methodparam>
<methodparam choice="opt"><type class="union"><type>string</type><type>null</type></type><parameter>extension</parameter><initializer>&null;</initializer></methodparam>
</methodsynopsis>
&phar.write;
<para>
This method is used to convert a phar archive to another file format. For instance,
it can be used to create a tar-based executable phar archive from a zip-based
executable phar archive, or from an executable phar archive in the phar file format. In
addition, it can be used to apply whole-archive compression to a tar or phar-based
archive.
</para>
<para>
If no changes are specified, this method throws a <classname>BadMethodCallException</classname>.
</para>
<para>
If successful, the method creates a new archive on disk and returns a <classname>Phar</classname>
object. The old archive is not removed from disk, and should be done manually after
the process has finished.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>format</parameter></term>
<listitem>
<para>
This should be one of <literal>Phar::PHAR</literal>, <literal>Phar::TAR</literal>,
or <literal>Phar::ZIP</literal>. If set to &null;, the existing file format
will be preserved.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>compression</parameter></term>
<listitem>
<para>
This should be one of <literal>Phar::NONE</literal> for no whole-archive
compression, <literal>Phar::GZ</literal> for zlib-based compression, and
<literal>Phar::BZ2</literal> for bzip-based compression.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>extension</parameter></term>
<listitem>
<para>
This parameter is used to override the default file extension for a
converted archive. Note that all zip- and tar-based phar archives must contain
<literal>.phar</literal> in their file extension in order to be processed as a
phar archive.
</para>
<para>
If converting to a phar-based archive, the default extensions are
<literal>.phar</literal>, <literal>.phar.gz</literal>, or <literal>.phar.bz2</literal>
depending on the specified compression. For tar-based phar archives, the
default extensions are <literal>.phar.tar</literal>, <literal>.phar.tar.gz</literal>,
and <literal>.phar.tar.bz2</literal>. For zip-based phar archives, the
default extension is <literal>.phar.zip</literal>.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
The method returns a <classname>Phar</classname> object on success,
or &null; on failure.
</para>
</refsect1>
<refsect1 role="errors">
&reftitle.errors;
<para>
This method throws <classname>BadMethodCallException</classname> when unable
to compress, an unknown compression method has been specified, the requested
archive is buffering with <function>Phar::startBuffering</function> and
has not concluded with <function>Phar::stopBuffering</function>, an
<classname>UnexpectedValueException</classname> if write support is disabled,
and a <classname>PharException</classname> if any problems are encountered
during the phar creation process.
</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>
<parameter>format</parameter>, <parameter>compression</parameter>, and <parameter>extension</parameter> are now nullable.
</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>A <function>Phar::convertToExecutable</function> example</title>
<para>
Using Phar::convertToExecutable():
</para>
<programlisting role="php">
<![CDATA[
<?php
try {
$tarphar = new Phar('myphar.phar.tar');
// convert it to the phar file format
// note that myphar.phar.tar is *not* unlinked
$phar = $tarphar->convertToExecutable(Phar::PHAR); // creates myphar.phar
$phar->setStub($phar->createDefaultStub('cli.php', 'web/index.php'));
// creates myphar.phar.tgz
$compressed = $phar->convertToExecutable(Phar::TAR, Phar::GZ, '.phar.tgz');
} catch (Exception $e) {
// handle the error here
}
?>
]]>
</programlisting>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>Phar::convertToData</function></member>
<member><function>PharData::convertToExecutable</function></member>
<member><function>PharData::convertToData</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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