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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Functions for listing directories
*
* @package PhpMyAdmin
*/
namespace PhpMyAdmin;
/**
* PhpMyAdmin\FileListing class
*
* @package PhpMyAdmin
*/
class FileListing
{
/**
* Returns array of filtered file names
*
* @param string $dir directory to list
* @param string $expression regular expression to match files
*
* @return array sorted file list on success, false on failure
*/
public static function getDirContent($dir, $expression = '')
{
if (!@file_exists($dir) || !($handle = @opendir($dir))) {
return false;
}
$result = array();
if (substr($dir, -1) != '/') {
$dir .= '/';
}
while ($file = @readdir($handle)) {
if (@is_file($dir . $file)
&& ! @is_link($dir . $file)
&& ($expression == '' || preg_match($expression, $file))
) {
$result[] = $file;
}
}
closedir($handle);
asort($result);
return $result;
}
/**
* Returns options of filtered file names
*
* @param string $dir directory to list
* @param string $extensions regular expression to match files
* @param string $active currently active choice
*
* @return array sorted file list on success, false on failure
*/
public static function getFileSelectOptions($dir, $extensions = '', $active = '')
{
$list = self::getDirContent($dir, $extensions);
if ($list === false) {
return false;
}
$result = '';
foreach ($list as $val) {
$result .= '<option value="' . htmlspecialchars($val) . '"';
if ($val == $active) {
$result .= ' selected="selected"';
}
$result .= '>' . htmlspecialchars($val) . '</option>' . "\n";
}
return $result;
}
/**
* Get currently supported decompressions.
*
* @return string separated list of extensions usable in self::getDirContent
*/
public static function supportedDecompressions()
{
global $cfg;
$compressions = '';
if ($cfg['GZipDump'] && function_exists('gzopen')) {
if (!empty($compressions)) {
$compressions .= '|';
}
$compressions .= 'gz';
}
if ($cfg['BZipDump'] && function_exists('bzopen')) {
if (!empty($compressions)) {
$compressions .= '|';
}
$compressions .= 'bz2';
}
if ($cfg['ZipDump'] && function_exists('gzinflate')) {
if (!empty($compressions)) {
$compressions .= '|';
}
$compressions .= 'zip';
}
return $compressions;
}
}