libraries/file_listing.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  * Functions for listing directories
   5  *
   6  * @version $Id$
   7  */
   8
   9 /**
  10  * Returns array of filtered file names
  11  *
  12  * @param   string  directory to list
  13  * @param   string  regullar expression to match files
  14  * @returns array   sorted file list on success, FALSE on failure
  15  */
  16 function PMA_getDirContent($dir, $expression = '')
  17 {
  18     if ($handle = @opendir($dir)) {
  19         $result = array();
  20         if (substr($dir, -1) != '/') {
  21             $dir .= '/';
  22         }
  23         while ($file = @readdir($handle)) {
  24             if (is_file($dir . $file) && ($expression == '' || preg_match($expression, $file))) {
  25                 $result[] = $file;
  26             }
  27         }
  28         @closedir($handle);
  29         asort($result);
  30         return $result;
  31     } else {
  32         return FALSE;
  33     }
  34 }
  35
  36 /**
  37  * Returns options of filtered file names
  38  *
  39  * @param   string  directory to list
  40  * @param   string  regullar expression to match files
  41  * @param   string  currently active choice
  42  * @returns array   sorted file list on success, FALSE on failure
  43  */
  44 function PMA_getFileSelectOptions($dir, $extensions = '', $active = '')
  45 {
  46     $list = PMA_getDirContent($dir, $extensions);
  47     if ($list === FALSE) {
  48         return FALSE;
  49     }
  50     $result = '';
  51     foreach ($list as $key => $val) {
  52         $result .= '<option value="'. htmlspecialchars($val) . '"';
  53         if ($val == $active) {
  54             $result .= ' selected="selected"';
  55         }
  56         $result .= '>' . htmlspecialchars($val) . '</option>' . "\n";
  57     }
  58     return $result;
  59 }
  60
  61 /**
  62  * Get currently supported decompressions.
  63  *
  64  * @returns string | separated list of extensions usable in PMA_getDirContent
  65  */
  66 function PMA_supportedDecompressions()
  67 {
  68     global $cfg;
  69
  70     $compressions = '';
  71
  72     if ($cfg['GZipDump'] && @function_exists('gzopen')) {
  73         if (!empty($compressions)) {
  74             $compressions .= '|';
  75         }
  76         $compressions .= 'gz';
  77     }
  78     if ($cfg['BZipDump'] && @function_exists('bzopen')) {
  79         if (!empty($compressions)) {
  80             $compressions .= '|';
  81         }
  82         $compressions .= 'bz2';
  83     }
  84     if ($cfg['ZipDump'] && @function_exists('gzinflate')) {
  85         if (!empty($compressions)) {
  86             $compressions .= '|';
  87         }
  88         $compressions .= 'zip';
  89     }
  90
  91     return $compressions;
  92 }