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, $expression = '')
  14 {
  15     if ($handle = @opendir($dir)) {
  16         $result = array();
  17         if (substr($dir, -1) != '/') {
  18             $dir .= '/';
  19         }
  20         while ($file = @readdir($handle)) {
  21             if (is_file($dir . $file) && ($expression == '' || preg_match($expression, $file))) {
  22                 $result[] = $file;
  23             }
  24         }
  25         @closedir($handle);
  26         asort($result);
  27         return $result;
  28     } else {
  29         return FALSE;
  30     }
  31 }
  32
  33 /**
  34  * Returns options of filtered file names
  35  *
  36  * @param   string  directory to list
  37  * @param   string  regullar expression to match files
  38  * @param   string  currently active choice
  39  * @returns array   sorted file list on success, FALSE on failure
  40  */
  41 function PMA_getFileSelectOptions($dir, $extensions = '', $active = '')
  42 {
  43     $list = PMA_getDirContent($dir, $extensions);
  44     if ($list === FALSE) {
  45         return FALSE;
  46     }
  47     $result = '';
  48     foreach ($list as $key => $val) {
  49         $result .= '<option value="'. htmlspecialchars($val) . '"';
  50         if ($val == $active) {
  51             $result .= ' selected="selected"';
  52         }
  53         $result .= '>' . htmlspecialchars($val) . '</option>' . "\n";
  54     }
  55     return $result;
  56 }
  57
  58 /**
  59  * Get currently supported decompressions.
  60  *
  61  * @returns string | separated list of extensions usable in PMA_getDirContent
  62  */
  63 function PMA_supportedDecompressions()
  64 {
  65     global $cfg;
  66
  67     $compressions = '';
  68
  69     if ($cfg['GZipDump'] && @function_exists('gzopen')) {
  70         if (!empty($compressions)) {
  71             $compressions .= '|';
  72         }
  73         $compressions .= 'gz';
  74     }
  75     if ($cfg['BZipDump'] && @function_exists('bzopen')) {
  76         if (!empty($compressions)) {
  77             $compressions .= '|';
  78         }
  79         $compressions .= 'bz2';
  80     }
  81     if ($cfg['ZipDump'] && @function_exists('gzinflate')) {
  82         if (!empty($compressions)) {
  83             $compressions .= '|';
  84         }
  85         $compressions .= 'zip';
  86     }
  87
  88     return $compressions;
  89 }