File: convertToData.xml

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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision: 1.1 $ -->
<refentry xml:id="phar.converttodata" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>Phar::convertToData</refname>
  <refpurpose>Convert a phar archive to a non-executable tar or zip file</refpurpose>
 </refnamediv>


 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>PharData</type><methodname>Phar::convertToData</methodname>
   <methodparam choice="opt"><type>int</type><parameter>format</parameter></methodparam>
   <methodparam choice="opt"><type>int</type><parameter>compression</parameter></methodparam>
   <methodparam choice="opt"><type>string</type><parameter>extension</parameter></methodparam>
  </methodsynopsis>

  <para>
   This method is used to convert an executable phar archive to either a
   tar or zip file.  To make the tar or zip non-executable, the phar
   stub and phar alias files are removed from the newly created archive.
  </para>
  <para>
   If no changes are specified, this method throws a <classname>BadMethodCallException</classname>
   if the archive is in phar file format.  For archives in tar or zip file format,
   this method converts the archive to a non-executable archive.
  </para>
  <para>
   If successful, the method creates a new archive on disk and returns a <classname>PharData</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::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 <literal>.phar</literal> cannot be used
       anywhere in the filename for a non-executable tar or zip archive.
      </para>
      <para>
       If converting to a tar-based phar archive, the
       default extensions are <literal>.tar</literal>, <literal>.tar.gz</literal>,
       and <literal>.tar.bz2</literal> depending on specified compression.
       For zip-based archives, the
       default extension is <literal>.zip</literal>.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>

 </refsect1>
 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   The method returns a <classname>PharData</classname> object on success and throws an
   exception 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>, 
   and a <classname>PharException</classname> if any problems are encountered
   during the phar creation process.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>A <function>Phar::convertToData</function> example</title>
    <para>
     Using Phar::convertToData():
    </para>
    <programlisting role="php">
<![CDATA[
<?php
try {
    $tarphar = new Phar('myphar.phar.tar');
    // note that myphar.phar.tar is *not* unlinked
    // convert it to the non-executable tar file format
    // creates myphar.tar
    $tar = $tarphar->comvertToData();
    // convert to non-executable zip format, creates myphar.zip
    $zip = $tarphar->convertToData(Phar::ZIP);
    // create myphar.tbz
    $tgz = $tarphar->convertToData(Phar::TAR, Phar::BZ2, '.tbz');
    // creates myphar.phar.tgz
    $phar = $tarphar->convertToData(Phar::PHAR); // throws exception
} catch (Exception $e) {
    // handle the error here
}
?>
]]>
    </programlisting>
   </example>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>Phar::convertToExecutable</function></member>
    <member><function>PharData::convertToExecutable</function></member>
    <member><function>PharData::convertToData</function></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>

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