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<?php
/** Dump to ZIP format
* @link https://www.adminer.org/plugins/#use
* @uses ZipArchive, 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 AdminerDumpZip {
/** @access protected */
var $filename, $data;
function dumpOutput() {
if (!class_exists('ZipArchive')) {
return array();
}
return array('zip' => 'ZIP');
}
function _zip($string, $state) {
// ZIP can be created without temporary file by gzcompress - see PEAR File_Archive
$this->data .= $string;
if ($state & PHP_OUTPUT_HANDLER_END) {
$zip = new ZipArchive;
$zipFile = tempnam("", "zip");
$zip->open($zipFile, ZipArchive::OVERWRITE); // php://output is not supported
$zip->addFromString($this->filename, $this->data);
$zip->close();
$return = file_get_contents($zipFile);
unlink($zipFile);
return $return;
}
return "";
}
function dumpHeaders($identifier, $multi_table = false) {
if ($_POST["output"] == "zip") {
$this->filename = "$identifier." . ($multi_table && preg_match("~[ct]sv~", $_POST["format"]) ? "tar" : $_POST["format"]);
header("Content-Type: application/zip");
ob_start(array($this, '_zip'));
}
}
}
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