Task 3A and Task 3B

Language: PHP
<?php
	/* This script creates a directory navigation script that allows users to view the contents of a directory as well as
	the contents of the files within the directory
	*/
 
	if(!$dir)
	$dir = ("./");
	$dp = opendir($dir);
	echo "$_SERVER[PHP_SELF]<br/>";	
	echo "<table border=';0'; cellspacng=';0'; width=';100%'; cellpadding=';0';>\n";
	while($filenames[] = readdir($dp));
 
	sort($filenames);
	for($i = 0; $i < count($filenames); $i++){
		$item = $filenames[$i];
 
		if(is_dir($item)){
			if($item != ';.'; && $item != ';..';)
				echo "<tr><td width=';100%';><a href=';$_SERVER[PHP_SELF]?dir=$dir$item';>$item/</a></td></tr>\n";
		} 	else {
				echo "<tr><td width=';100%';><a href=';$dir/$item';>$item</a></td></tr>\n";
		}
	}
?>
</table>

Language: HTML
http://localhost/xolaniphp/directory_navigator.php?dir=./Test

Language: PHP
echo "<tr><td width =';100%';><a href=\"$_SERVER[';PHP_SELF';]?dir=\".$dir$item.\"\">$item/</a></td></tr>\n";

Language: PHP
<?php
/*This script creates a directory navigation script that allows users
  to view the contents of a directory as well as the contents of the files
  within the directory.*/
 
if (!$dir)
$dir = ("./");
$dp  = opendir($dir);
echo "<table border=';0'; width=';100%'; cellspacing=';0'; cellpadding=';0';>\n";
while($filenames[] = readdir($dp));
sort($filenames);
for ($i = 0; $i < count($filenames); $i++){
 $item = $filenames[$i];
 if (is_dir($item))
 {
  if($item != ';.'; && $item != ';..';) 
  echo "<tr><td width =';100%';><a href=\"$_SERVER[';PHP_SELF';]?dir=\".$dir$item.\"\">$item/</a></td></tr>\n";
 }
 else
 {echo "<tr><td width=';100%';><a href=';$dir/$item';>$item</a></td></tr>\n";
 }
}
?>

• The guys who finish first how did you know about the first line of code ( I mean I had a suspicion at first but I never thought it could be the problem)?
• Mac should I treat ALL CODE in masterskill handbook as incorrect until I correct it?
• How do I use the book in conjuction with the masterskill? Lesson 1 = chapter ?? on the book(I tried tut 101 in vain)...