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Dynamic PHP directory navigation

  • aloof
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Post April 5th, 2004, 2:17 am

I'm looking for some scripts or pseudo-code or algorithms for PHP that will help me with the following:

1) Dynamic listing of directories as a form of navigation for a website.

2) The navigation bar on the left side lists hard-coded links. Each link is tied to a directory, when a link is clicked, the index.php for that directory is loaded and the navigation panel lists the hard-coded links + the link clicked expanded listing the folders in that directory.

3) Multiple-depths allowed, meaning I can click a hard-coded link, it will drop down its sub-folders, I can click one of those, and have those drop down, etc. etc. After the 1st level both folders and files would be listed, not just folders.

Anybody help me with pseudo-code/algorithms and even some functions or scripts? I've googled around but can't quite seem to find what I'm looking for.

Thanks in advance.
  • Anonymous
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Post April 5th, 2004, 2:17 am

  • guitrspaz
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Post April 5th, 2004, 8:02 pm

I use this to display all folders and files in my local root folder it might work for you with some mods:

Code: [ Select ]
$dot = ".";
if ($handle = opendir('./')) {
$x = '0';
  while (false !== ($file = readdir($handle))) {
  if (($file != "..") AND ($file != '.') AND ($file != 'cgi-bin') AND ($file != '.DS_Store')) {
    echo "<tr><td><a href=$file>$file</a></td></tr>\n\n";
         $x++;
         }
  }
  closedir($handle);
}
if ($x <= '0') {
    echo "<tr><td>no projects</td></tr>";
}
  closedir($handle);
}
  1. $dot = ".";
  2. if ($handle = opendir('./')) {
  3. $x = '0';
  4.   while (false !== ($file = readdir($handle))) {
  5.   if (($file != "..") AND ($file != '.') AND ($file != 'cgi-bin') AND ($file != '.DS_Store')) {
  6.     echo "<tr><td><a href=$file>$file</a></td></tr>\n\n";
  7.          $x++;
  8.          }
  9.   }
  10.   closedir($handle);
  11. }
  12. if ($x <= '0') {
  13.     echo "<tr><td>no projects</td></tr>";
  14. }
  15.   closedir($handle);
  16. }
  • aloof
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Post April 6th, 2004, 1:47 pm

The following is my function code...can anybody help me with an implementation algorithm that might accomplish what I previously stated? The way the function works will it even allow for what I want?

Code: [ Select ]
<?php

/**
* dirtree
* recursivly reads all of the files and prints them out all dynamic like
*
* @param:
*   - $path - the directory we're currently reading
*   - $depth - the maximum depth of the search
*/
function dirtree($path,$depth,$wkdir)
{
     // if there's a slash at the end of the path then remove it
    if(substr($path,strlen($path)-1,1) == "/")
     {
         $path = substr($path,0,strlen($path)-1);
     }

     // the directory handle
     $dh = opendir($path);

     // while there are still directories to read
     while (false !== ($filename = readdir($dh)))
     {
          // if the file begins with a dot, (. or .. or .htaccess, etc.) then don't read it in
          if(substr($filename,0,1) != ".")
          {
              // if what we're reading is a directory the add it to an array of directories
               // so we can sort them and list them first
               if(is_dir($path."/".$filename))
               {
                   $dirs[] = $filename;
               }
          }
    }

     // if there were directories, sort them
     if($dirs)
     {
         sort($dirs);
     }

     // directories
     if($dirs)
     {
          // for each directory, except the last one
          for($i=0;$i<count($dirs)-1;$i++)
          {
               $dirname = strtr($dirs[$i],"_"," ");

               echo "<a href='".$wkdir.$dirs[$i]."' class='source'>&nbsp;".$dirname."</a>";
    
               // recursively call the function to list all of the directories contents first
               // because we're looking at directores first, then files
               if ($depth)
               {
                dirtree($path."/".$dirs[$i],$depth-1);
               }
          }

          //echo the last directory

           $i = count($dirs)-1;
           $dirname = strtr($dirs[$i],"_"," ");
           echo "<a href='".$wkdir.$dirs[$i]."' class='source'>&nbsp;".$dirname."</a>";

           if ($depth)
           {
                dirtree($path."/".$dirs[$i],$depth-1);
           } // if($depth)
     } // if($dirs)
}

?>
  1. <?php
  3. /**
  4. * dirtree
  5. * recursivly reads all of the files and prints them out all dynamic like
  6. *
  7. * @param:
  8. *   - $path - the directory we're currently reading
  9. *   - $depth - the maximum depth of the search
  10. */
  11. function dirtree($path,$depth,$wkdir)
  12. {
  13.      // if there's a slash at the end of the path then remove it
  14.     if(substr($path,strlen($path)-1,1) == "/")
  15.      {
  16.          $path = substr($path,0,strlen($path)-1);
  17.      }
  19.      // the directory handle
  20.      $dh = opendir($path);
  22.      // while there are still directories to read
  23.      while (false !== ($filename = readdir($dh)))
  24.      {
  25.           // if the file begins with a dot, (. or .. or .htaccess, etc.) then don't read it in
  26.           if(substr($filename,0,1) != ".")
  27.           {
  28.               // if what we're reading is a directory the add it to an array of directories
  29.                // so we can sort them and list them first
  30.                if(is_dir($path."/".$filename))
  31.                {
  32.                    $dirs[] = $filename;
  33.                }
  34.           }
  35.     }
  37.      // if there were directories, sort them
  38.      if($dirs)
  39.      {
  40.          sort($dirs);
  41.      }
  43.      // directories
  44.      if($dirs)
  45.      {
  46.           // for each directory, except the last one
  47.           for($i=0;$i<count($dirs)-1;$i++)
  48.           {
  49.                $dirname = strtr($dirs[$i],"_"," ");
  51.                echo "<a href='".$wkdir.$dirs[$i]."' class='source'>&nbsp;".$dirname."</a>";
  52.     
  53.                // recursively call the function to list all of the directories contents first
  54.                // because we're looking at directores first, then files
  55.                if ($depth)
  56.                {
  57.                 dirtree($path."/".$dirs[$i],$depth-1);
  58.                }
  59.           }
  61.           //echo the last directory
  63.            $i = count($dirs)-1;
  64.            $dirname = strtr($dirs[$i],"_"," ");
  65.            echo "<a href='".$wkdir.$dirs[$i]."' class='source'>&nbsp;".$dirname."</a>";
  67.            if ($depth)
  68.            {
  69.                 dirtree($path."/".$dirs[$i],$depth-1);
  70.            } // if($depth)
  71.      } // if($dirs)
  72. }
  74. ?>

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