<?php
print '<div id="sidebar">';
$folder_file ='flat_file_data.txt';     // name of flat file to read
$fp = fopen($folder_file,'r');        // open flat file for reading
if (!$fp) {print 'ERROR: Unable to open file'; echo '<br />';echo $folder_file;echo '<br />';exit;}// error if no handle found for flat file
$line= fread($fp,1024); // increase this length if required
$f_array=explode("\n",$line);
$folder_key=0;
//<!-- while loop start -->
while ($f_array[$folder_key]) {;
$fileCount = 0;
$p_folder=strip_tags(nl2br($f_array[$folder_key])); // for security
// print to begin un-ordered list using folder name as heading and as div id
print '<div id="'.$p_folder.'">';
print '<b>'.$p_folder.'</b>';
$folder = $p_folder.'/';
if ($handle = opendir($folder)) {
    while (false !== ($file = readdir($handle))) {
    if ($file != "." && $file != "..")  {
            $filename =$_SERVER['DOC_ROOT'].$folder.$file;
            $fp = fopen($filename, "r");
            $contents = fread($fp, filesize($filename));
            $pos1 = strpos($contents,"<h3>");
            $pos2 = strpos($contents,"</h3>");
            $str_length =  $pos2 - $pos1;
            $title = substr($contents,$pos1+4,$str_length-4);
            $title_array[] = $title;
            fclose($fp);
            $file_array[]= $file;
            $fileCount++;
            }         } } closedir($handle);
if ($fileCount > 0) {
           $iterator = 0;
           while($title_array[$iterator])  {
           $file = substr($file_array[$iterator], 0, (strlen($file_array[$iterator])));
                 print '<li><a href="'.$folder.$file.'">'.$title_array[$iterator].'</a></li>';
               $iterator ++;  }  
unset($file_array);
unset($title_array); }
print '</div>';
$folder_key++;
}  
//-- end while loop -->
//fclose($fp);  // close flat file
print '</div>';
  ?>