php fcount dir opendir while read readdir dir false if read read read

<?php

$fcount = 0;
$dir = opendir(".");
while (($read = readdir($dir)) !== false)
{
	if ($read != "." & $read != ".." & $read != "data" & $read != "index.php" & $read != "style.css" & $read != "count.php" & $read != "count.txt")
	{
		$size = filesize($read);
		$size = $size/1024;
		$size = strtok($size, ".");
		if (is_file($read))
		$fcount++;
		if (is_file($read))
		{
			$file = $read.".txt";
			$f = fopen("data/$file", "r");
			$count = fread($f, 100);
			fclose($f);
			echo "<a href='count.php?file=$read'>$read</a><p class=text>[paзмep: $size kb] [скачано: $count раз(а)</p>";
		}
		else 
		{
			$d = chdir("./");
			echo "<a href='index.php?d=$read'><p>$read</p></a>";
		}
	}
}
echo "<br>files: $fcount";
closedir($dir);

?>