Mine

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	<head>
		<title>Lab 9 - Ryan Small</title>
	</head>

	<body>

		<p>Currently working in the <?php echo getcwd();?> directory.</p>
		<pre>
		<?php
//		$debug=true;
		$dir_depth=0;
			function readdirectory($directstring)
			{
				global $debug, $dir_depth;
				$dir_depth++;
				 if($debug)echo "!! Call to readdirectory ($directstring)...\n";
				//$dirhandle is the variable that stores which directory to read from
				//This statement acquires the current working directory to read from and places it in $dirhandle
				$dirhandle = opendir($directstring);

				//readdir() returns a false value when it can't read a directory, so this statement will continue to
				//loop until that time when readdir() returns false. That will happen when it finishes reading the directory
				//or if it can't read it at all.
				//$directory is the variable that is used to hold the name of what it readdir() is reading.
				clearstatcache();
				while( false!== ($directory = readdir($dirhandle)))
				{
					 if($debug)echo "!! Found object: {$directory} is_dir:" . is_dir($directory) . "  is_file:". is_file($directory). "\n";
					//this if statement checks to see if the file that was read was a directory or a file
					if (is_dir($directory))
					{
						//if it was a directory, it parses through and ignores the directories "." and ".."
						//"." is a self reference, and ".." is a reference to the parent directory. It ignores
						//these because there's no use in displaying them.
						if ( $directory != "." && $directory != ".." )
						{	
							//Now we start displaying the names of the directories that were found with readdir()				
							for($i=0;$i<$dir_depth;$i++) echo "\t";
							echo $directory . ":\n";
	
							$nest_directstring = getcwd() . "/" . "$directory";
							chdir($nest_directstring);
							readdirectory($nest_directstring);
						}
					}
					if(is_file($directory))
					{
						//Displays the files for linking
						for($i=0;$i<$dir_depth;$i++) echo "\t";
						echo "<a href=" . $directory . ">" . $directory . "</a><br />";
					}	
				}
				//must specify handle or closes all handles, i think
				closedir($dirhandle);
				if($debug)echo "!! leaving readdirectory ($directstring)\n";
				chdir('..');
				$dir_depth--;
			}

			echo "<br />Directories:<br />";
			readdirectory(getcwd());
						
		?>
		</pre>

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