index.php at Display human friendly relative dates and times

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
                      "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
 <title>Human readable relative date calculator</title>
</head>
<body>
<h1>Human readable relative date calculator</h2>

<?php

	if(isset($_GET['date'])){

		$sql_date = $_GET['date'];
	
		require_once('humanRelativeDate.class.php');
		$humanRelativeDate = new HumanRelativeDate();
		
		$string = $humanRelativeDate->getTextForSQLDate($sql_date);
		
		echo '<h2>Result: ' . $string . '</h2>';
		
	}


?>

<form method="get" action="index.php">
	<h2>Calculate a relative date</h2>
	<fieldset>
		<label for="date">Enter an SQL formatted date (YYYY-MM-DD hh:mm:ss)</label>
		<input type="text" name="date" id="date" value="" />
	</fieldset>
	<input type="submit" name="submit" value="Submit" />
</form>

</body>
</html>