Show Random Folder?

[Scott.Botkins]

I'm developing something, I'm wanting to show a random folder name that is in that directory. I don't want it to list the file names, it just needs to show 1 random folder name. The code below lists the actual folders but I need itto list 1 and change to a different one when the page refreshes. How could I go about doing this?

<?php
function folderlist(){
 $startdir = './';
 $ignoredDirectory[] = '.'; 
 $ignoredDirectory[] = '..';
  if (is_dir($startdir)){
      if ($dh = opendir($startdir)){
          while (($folder = readdir($dh)) !== false){
              if (!(array_search($folder,$ignoredDirectory) > -1)){
                if (filetype($startdir . $folder) == "dir"){
                      $directorylist[$startdir . $folder]['name'] = $folder;
                      $directorylist[$startdir . $folder]['path'] = $startdir;
                  }
              }
          }
          closedir($dh);
      }
  }
return($directorylist);
}

$folders = folderlist();
 foreach ($folders as $folder){
   $path = $folder['path'];
   $name = $folder['name'];

   echo '' . $name . '<br />';
 }
?>

Thanks!

[clamcrusher]

session_start();

if (empty($_SESSION['folders'])) {
    $_SESSION['folders'] = folderlist();
    shuffle($_SESSION['folders']);
}

$folder = array_pop($_SESSION['folders']);
print_r($folder); 

[Scott.Botkins]

Thanks but I get a error using that code. Fatal error: Call to undefined function: folderlist()

Am I suppose to add that to my php coding I listed above or show yours only? I have it showing yours only.

<?php
if (empty($_SESSION['folders'])) { 
    $_SESSION['folders'] = folderlist(); 
    shuffle($_SESSION['folders']); 
} 

echo array_pop($_SESSION['folders']); 

?>

[markl999]

If you are using PHP >= 4.3.3 you could do:

session_start();
if(empty($_SESSION['folder'])) {
  $_SESSION['folder'] = '';
} else {
  $folder = $_SESSION['folder'];
}
$startdir = '';
$folders = glob($startdir.'*.*', GLOB_ONLYDIR);
//make sure we show a different folder than the last one
while($folder == $_SESSION['folder']) {
  $_SESSION['folder'] = $folders[array_rand($folders, 1)];
}
echo $_SESSION['folder']; 

[Scott.Botkins]

Mark yours gave me a long error about being between 1 and the array

[clamcrusher]

Am I suppose to add that to my php coding I listed above or show yours only? I have it showing yours only.

yes, you must define a function before you can use it.

[Scott.Botkins]

yes, you must define a function before you can use it.

Alright its working partly now.

I have

<?php
function folderlist(){ 
$startdir = './'; 
$ignoredDirectory[] = '.'; 
$ignoredDirectory[] = '..'; 
  if (is_dir($startdir)){ 
      if ($dh = opendir($startdir)){ 
          while (($folder = readdir($dh)) !== false){ 
              if (!(array_search($folder,$ignoredDirectory) > -1)){ 
                if (filetype($startdir . $folder) == "dir"){ 
                      $directorylist[$startdir . $folder]['name'] = $folder; 
                      $directorylist[$startdir . $folder]['path'] = $startdir; 
                  } 
              } 
          } 
          closedir($dh); 
      } 
  } 
return($directorylist); 
} 
 

if (empty($_SESSION['folders'])) { 
    $_SESSION['folders'] = folderlist(); 
    shuffle($_SESSION['folders']); 
} 

$folder = array_pop($_SESSION['folders']); 
print_r($folder);

?>

And I have folders 1,2,3 in the directory. It's showing this:

Array ( [name] => 1 [path] => ./ ) 

[clamcrusher]

is there a problem with that?

[Sorccu]

function get_random_dir($base_dir)
{
  $dirs = glob(sprintf('%s/*',$base_dir),GLOB_ONLYDIR);

  return empty($dirs) ? null : $dirs[array_rand($dirs)];
}

echo get_random_dir('.'); 

I'll leave it to you to figure out how to get the path and the name of the folder separated. You have to do something yourself or you'll never learn!

[Scott.Botkins]

Ahh, got it guys. Thanks for help, I did this about a year ago and I just forgot but thanks for reminding me.