91 Zeilen
2,3 KiB
PHP
91 Zeilen
2,3 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Filter
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* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id$
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*/
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/**
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* @see Zend_Filter_Compress_CompressInterface
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*/
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require_once 'Zend/Filter/Compress/CompressInterface.php';
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/**
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* Compression adapter for Lzf
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*
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* @category Zend
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* @package Zend_Filter
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* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Filter_Compress_Lzf implements Zend_Filter_Compress_CompressInterface
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{
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/**
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* Class constructor
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*/
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public function __construct()
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{
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if (!extension_loaded('lzf')) {
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require_once 'Zend/Filter/Exception.php';
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throw new Zend_Filter_Exception('This filter needs the lzf extension');
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}
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}
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/**
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* Compresses the given content
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*
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* @param string $content
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* @return string
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*/
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public function compress($content)
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{
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$compressed = lzf_compress($content);
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if (!$compressed) {
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require_once 'Zend/Filter/Exception.php';
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throw new Zend_Filter_Exception('Error during compression');
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}
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return $compressed;
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}
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/**
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* Decompresses the given content
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*
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* @param string $content
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* @return string
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*/
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public function decompress($content)
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{
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$compressed = lzf_decompress($content);
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if (!$compressed) {
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require_once 'Zend/Filter/Exception.php';
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throw new Zend_Filter_Exception('Error during compression');
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}
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return $compressed;
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}
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/**
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* Returns the adapter name
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*
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* @return string
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*/
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public function toString()
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{
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return 'Lzf';
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}
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}
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