XoopsModules25x/adminer

<?php

/** Dump to Bzip2 format
* @link https://www.adminer.org/plugins/#use
* @uses bzopen(), tempnam("")
* @author Jakub Vrana, http://www.vrana.cz/
* @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
* @license http://www.gnu.org/licenses/gpl-2.0.html GNU General Public License, version 2 (one or other)
*/
class AdminerDumpBz2 {
    /** @access protected */
    var $filename, $fp;
    
    function dumpOutput() {
        if (!function_exists('bzopen')) {
            return array();
        }
        return array('bz2' => 'bzip2');
    }
    
    function _bz2($string, $state) {
        bzwrite($this->fp, $string);
        if ($state & PHP_OUTPUT_HANDLER_END) {
            bzclose($this->fp);
            $return = file_get_contents($this->filename);
            unlink($this->filename);
            return $return;
        }
        return '';
    }
    
    function dumpHeaders($identifier, $multi_table = false) {
        if ($_POST['output'] == 'bz2') {
            $this->filename = tempnam('', 'bz2');
            $this->fp = bzopen($this->filename, 'w');
            header('Content-Type: application/x-bzip');
            ob_start(array($this, '_bz2'), 1e6);
        }
    }

}