PHP woes

<!doctype html>
<html>
	<head>
		<title>Word Permutations</title>
		<style type="text/css">
			.u {
				text-decoration: underline;
			}
		</style>
	</head>
	<body>
		<?php
			$date = date('l jS \of F Y h:i:s A');

			print "<p>It is currently:</p>";
			print "<p id='date'>" . $date . "</p>";

			$filename = "file.txt";
			$file = fopen($filename, "a+");
			fwrite($file, $date); // add the current date on top
			fclose($file);

			$file_array = file($filename); // get the log file as array
			$length = count($file_array);

			print "<p>This site last visited on: " . $file_array[0] . "</p>";
			print "<p>This site visited " . $length . " times.</p>";
		?>
	</body>
</html>