Building An Unordered List Of Anchors - From a list of files in a folder

<?php
$fileCount = 0;
$folder = "folder-name-here/"; // change the folder to your folder name
if ($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>");// look for the h3 tag position
$pos2 = strpos($contents,"</h3>");// look for the ending h3 position
$str_length =  $pos2 - $pos1;// calculate the length between tag positions
$title = substr($contents,$pos1+4,$str_length-4);// create a string based on tag position and offset
$title_array[] = $title;
fclose($fp);
$file_array[] = $file;
$fileCount++;
}
}
}
closedir($handle);
if ($fileCount > 1) {
print "<ul>\n";// start ul tag
$iterator = 0;
// this section prints the li tags, use css to define the attributes of the ul
while($title_array[$iterator]) {
$file = substr($file_array[$iterator], 0, (strlen($file_array[$iterator])));
 print '<li><a href="'.$folder.$file.'">'.$title_array[$iterator].'</a></li>';
 $iterator ++;
print "\n\n";
}
print "</ul>\n";
unset($file_array);
unset($title_array);
}
?>