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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Functions for listing directories
*
* @todo rename to file_listing.lib.php
* @version $Id$
* @package phpMyAdmin
*/
/**
* Returns array of filtered file names
*
* @param string directory to list
* @param string regular expression to match files
* @returns array sorted file list on success, FALSE on failure
*/
function PMA_getDirContent($dir, $expression = '')
{
if (file_exists($dir) && $handle = @opendir($dir)) {
$result = array();
if (substr($dir, -1) != '/') {
$dir .= '/';
}
while ($file = @readdir($handle)) {
// for PHP < 5.2.4, is_file() gives a warning when using open_basedir
// and verifying '..' or '.'
if ('.' != $file && '..' != $file && is_file($dir . $file) && ($expression == '' || preg_match($expression, $file))) {
$result[] = $file;
}
}
@closedir($handle);
asort($result);
return $result;
} else {
return FALSE;
}
}
/**
* Returns options of filtered file names
*
* @param string directory to list
* @param string regullar expression to match files
* @param string currently active choice
* @returns array sorted file list on success, FALSE on failure
*/
function PMA_getFileSelectOptions($dir, $extensions = '', $active = '')
{
$list = PMA_getDirContent($dir, $extensions);
if ($list === FALSE) {
return FALSE;
}
$result = '';
foreach ($list as $key => $val) {
$result .= '<option value="'. htmlspecialchars($val) . '"';
if ($val == $active) {
$result .= ' selected="selected"';
}
$result .= '>' . htmlspecialchars($val) . '</option>' . "\n";
}
return $result;
}
/**
* Get currently supported decompressions.
*
* @returns string | separated list of extensions usable in PMA_getDirContent
*/
function PMA_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;
}
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