libraries/file_listing.php

   1 <?php
   2 /* $Id$ */
   3 // vim: expandtab sw=4 ts=4 sts=4:
   4 // Functions for listing directories
   5
   6 /**
   7  * Returns array of filtered file names
   8  *
   9  * @param   string  directory to list
  10  * @param   string  regullar expression to match files
  11  * @returns array   sorted file list on success, FALSE on failure
  12  */
  13 function PMA_getDirContent($dir, $expression = '') {
  14     if ($handle = @opendir($dir)) {
  15         $result = array();
  16         if (substr($dir, -1) != '/') {
  17             $dir .= '/';
  18         }
  19         while ($file = @readdir($handle)) {
  20             if (is_file($dir . $file) && ($expression == '' || preg_match($expression, $file))) {
  21                 $result[] = $file;
  22             }
  23         }
  24         @closedir($handle);
  25         asort($result);
  26         return $result;
  27     } else {
  28         return FALSE;
  29     }
  30 }
  31
  32 /**
  33  * Returns options of filtered file names
  34  *
  35  * @param   string  directory to list
  36  * @param   string  regullar expression to match files
  37  * @param   string  currently active choice
  38  * @returns array   sorted file list on success, FALSE on failure
  39  */
  40 function PMA_getFileSelectOptions($dir, $extensions = '', $active = '') {
  41     $list = PMA_getDirContent($dir, $extensions);
  42     if ($list === FALSE) return FALSE;
  43     $result = '';
  44     foreach($list as $key => $val) {
  45         $result .= '<option value="'. htmlspecialchars($val) . '"';
  46         if ($val == $active) {
  47             $result .= ' selected="selected"';
  48         }
  49         $result .= '>' . htmlspecialchars($val) . '</option>' . "\n";
  50     }
  51     return $result;
  52 }
  53
  54 /**
  55  * Get currently supported decompressions.
  56  *
  57  * @returns string | separated list of extensions usable in PMA_getDirContent
  58  */
  59 function PMA_supportedDecompressions() {
  60     global $cfg;
  61
  62     $compressions = '';
  63
  64     if ($cfg['GZipDump'] && @function_exists('gzopen')) {
  65         if (!empty($compressions)) $compressions .= '|';
  66         $compressions .= 'gz';
  67     }
  68     if ($cfg['BZipDump'] && @function_exists('bzopen')) {
  69         if (!empty($compressions)) $compressions .= '|';
  70         $compressions .= 'bz2';
  71     }
  72     if ($cfg['ZipDump'] && @function_exists('gzinflate')) {
  73         if (!empty($compressions)) $compressions .= '|';
  74         $compressions .= 'zip';
  75     }
  76
  77     return $compressions;
  78 }