<?php
	
	$dayarray = array("Sun","Mon","Tue","Wed","Thu","Fri","Sat");
	
	//$month = empty($_GET)? date("n") : $_GET;
	$month = 5;
	echo $month;
	$year = date("Y"); 
	$numofdays = date("t",mktime(1,1,1,$month,1,$year));
	$firstday = date("w",mktime(1,1,1,$month,1,$year));
	$lastday = date("w",mktime(1,1,1,$month,$numofdays,$year));
	
	echo "<table border='1'>";
			
	echo "<tr>";		
	for($i=0;$i<=6;$i++){
		echo "<td>$dayarray</td>";
	}
	echo "</tr>";
	
	for($i=1;$i<=$numofdays;$i++){
	$dayoftheweek = date("w",mktime(1,1,1,$month,$i,$year));
	if($i == 1 || ($dayoftheweek == 0 && $i > 6))
    	echo "<tr>\n"; 
    if($i<$firstday) 
    	echo "<td > </td>"; 
    else	
		echo "<td>$i</td>";

		if($dayoftheweek == 6 || $i == $numofdays)
			echo "</tr>";
	}
	
	echo "</table>";
?>