<?
/**-------------------------------------------------
| EasyBzip2.class V0.8 - by Alban LOPEZ
| Copyright (c) 2007 Alban LOPEZ
| Email bugs/suggestions to alban.lopez+eazybzip2@gmail.com
+--------------------------------------------------
| This file is part of EasyArchive.class V0.9.
| EasyArchive is free software: you can redistribute it and/or modify
| it under the terms of the GNU General Public License as published by
| the Free Software Foundation, either version 3 of the License, or
| (at your option) any later version.
| EasyArchive is distributed in the hope that it will be useful,
| but WITHOUT ANY WARRANTY; without even the implied warranty of
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
| See the GNU General Public License for more details on http://www.gnu.org/licenses/
+--------------------------------------------------
http://www.phpclasses.org/browse/package/4239.html **/
class bzip2
{
/**
// You can use this class like that.
$test = new bzip2;
$test->makeBzip2('./','./toto.bzip2');
var_export($test->infosBzip2('./toto.bzip2'));
$test->extractBzip2('./toto.bzip2', './new/');
**/
function makeBzip2($src, $dest=false)
{
$Bzip2 = bzcompress((strpos(chr(0),$src) ? file_get_contents ($src) : $src), 6);
if (empty($dest)) return $Bzip2;
elseif (file_put_contents($dest, $Bzip2)) return $dest;
return false;
}
function infosBzip2 ($src, $data=true)
{
$data = $this->extractBzip2 ($src);
$content = array(
'UnCompSize'=>strlen($data),
'Size'=>filesize($src),
'Ratio'=>strlen($data) ? round(100 - filesize($src) / strlen($data)*100, 1) : false,);
if ($data) $content['Data'] = $data;
return $content;
}
function extractBzip2($src, $dest=false)
{
$bz = bzopen($src, "r");
$data = '';
while (!feof($bz))
$data .= bzread($bz, 1024*1024);
bzclose($bz);
if (empty($dest)) return $data;
elseif (file_put_contents($dest, $data)) return $dest;
return false;
}
}
?>
|
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