trunk/NP_TinyMCE2j/tinymce2j/plugins/ibrowser/scripts/random.php

   1 <?php
   2 //////////////////////////////////////////////////////////////
   3 ///  phpThumb() by James Heinrich <info@silisoftware.com>   //
   4 //        available at http://phpthumb.sourceforge.net     ///
   5 //////////////////////////////////////////////////////////////
   6 ///                                                         //
   7 // phpThumb.demo.random.php                                 //
   8 // James Heinrich <info@silisoftware.com>                   //
   9 //                                                          //
  10 // Display a random image from a specified directory.       //
  11 // Run with no parameters for usage instructions.           //
  12 //                                                          //
  13 //////////////////////////////////////////////////////////////
  14
  15 function SelectRandomImage($dirname='.', $portrait=true, $landscape=true, $square=true) {
  16         // return a random image filename from $dirname
  17         // the last 3 parameters determine what aspect ratio of images
  18         // may be returned
  19         $possibleimages = array();
  20         if ($dh = opendir($dirname)) {
  21                 while ($file = readdir($dh)) {
  22                         if (is_file($dirname.'/'.$file) && eregi('\.(jpg|jpeg|gif|png|tiff|bmp)$', $file)) {
  23                                 if ($gis = @GetImageSize($dirname.'/'.$file)) {
  24                                         if ($portrait && ($gis[0] < $gis[1])) {
  25                                                 // portrait
  26                                                 $possibleimages[] = $file;
  27                                         } elseif ($landscape && ($gis[0] > $gis[1])) {
  28                                                 // landscape
  29                                                 $possibleimages[] = $file;
  30                                         } elseif ($square) {
  31                                                 // square
  32                                                 $possibleimages[] = $file;
  33                                         }
  34                                 }
  35                         }
  36                 }
  37                 closedir($dh);
  38         }
  39         if (empty($possibleimages)) {
  40                 return false;
  41         }
  42         if (phpversion() < '4.2.0') {
  43                 mt_srand(time());
  44         }
  45         $randkey = mt_rand(0, count($possibleimages) - 1);
  46         return realpath($dirname.'/'.$possibleimages[$randkey]);
  47 }
  48
  49 if (@$_REQUEST['dir']) {
  50         if (is_dir($_REQUEST['dir'])) {
  51
  52                 if (!@$_REQUEST['o']) {
  53                         $_REQUEST['o'] = 'PLS';
  54                 }
  55                 $_REQUEST['o'] = strtoupper($_REQUEST['o']);
  56                 $portrait  = (strpos(@$_REQUEST['o'], 'P') !== false);
  57                 $landscape = (strpos(@$_REQUEST['o'], 'L') !== false);
  58                 $square    = (strpos(@$_REQUEST['o'], 'S') !== false);
  59                 $randomSRC = SelectRandomImage($_REQUEST['dir'], $portrait, $landscape, $square);
  60                 if (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN') {
  61                         $randomSRC = str_replace('\\', '/', eregi_replace('^'.realpath(@$_SERVER['DOCUMENT_ROOT']), '', realpath($randomSRC)));
  62                 } else {
  63                         $randomSRC = str_replace(realpath(@$_SERVER['DOCUMENT_ROOT']), '', realpath($randomSRC));
  64                 }
  65
  66                 $otherParams = array();
  67                 foreach ($_GET as $key => $value) {
  68                         if (($key == 'dir') || ($key == 'o')) {
  69                                 continue;
  70                         }
  71                         if (is_array($value)) {
  72                                 foreach ($value as $vkey => $vvalue) {
  73                                         $otherParams[] = urlencode($key).'['.urlencode($vkey).']='.urlencode($vvalue);
  74                                 }
  75                         } else {
  76                                 $otherParams[] = urlencode($key).'='.urlencode($value);
  77                         }
  78                 }
  79                 header('Location: ./phpThumb/phpThumb.php?src='.urlencode($randomSRC).'&'.implode('&', $otherParams));
  80                 exit;
  81
  82         } else {
  83                 die($_REQUEST['dir'].' is not a directory');
  84         }
  85
  86 } else {
  87
  88         echo '<html><body>Usage: <b>'.basename($_SERVER['PHP_SELF']).'?dir=<i>&lt;directory&gt;</i>&amp;<i>&lt;phpThumb parameters&gt;</i></b>&amp;o=<i>(P|L|S)</i><br><br>Examples:<ul>';
  89         echo '<li>'.basename($_SERVER['PHP_SELF']).'?./images/&o=L <i>(landscape images only)</i></li>';
  90         echo '<li>'.basename($_SERVER['PHP_SELF']).'?./images/&o=PS <i>(portrait or square images only)</i></li>';
  91         echo '</ul></body></html>';
  92
  93 }
  94
  95 ?>