Month hash generator for PHP Calendar

method to generate hash:
/**
 * This method generates a calendar hash for an entire month and returns array of data
 * @access private
 * @author Matt Ford
 * @param int $month integer representing month
 * @param int $year 4 digit year
 * @param boolean $countEventsOnly return number of events for each day instead of a list of events
 * @return array $return hash array
 */
private function generateCalendarHash($month, $year, $countEventsOnly = false) {
	$firstOfMonth = mktime(0, 0, 0, $month, 1, $year);
	$daysInMonth = date("t", $firstOfMonth);
	$weekday = date("N", $firstOfMonth);
	$numWeeks = floor(($daysInMonth - (6 - date("w", $firstOfMonth))) / 7);
	$day_names = array(
			"Sunday",
			"Monday",
			"Tuesday",
			"Wednesday",
			"Thursday",
			"Friday",
			"Saturday"
		);
	$currentDay = 1;
	$weeks = array();
 
	if ($weekday > 0 && $weekday != 7) {
		$week = array_pad(array(), $weekday, array("num" => null));
	}
	else {
		$week = array();
	}
 
	while ($currentDay < $daysInMonth) {
		for ($i = count($week); $i < 7; $i++, $currentDay++) {
			if ($currentDay <= $daysInMonth) {
				/*
					This is where you'd run your queries to determine how many events fall on this day.
				*/
				if ($countEventsOnly === true) {
					$events = array();
					$numEvents = 0;//$this->getNumberEvents($month, $currentDay, $year);
				}
				else {
					$events = array();//$this->getEvents($month, $currentDay, $year);
					$numEvents = 0;//count($events);
				}
 
				$week[] = array("num" => $currentDay, "numEvents" => $numEvents, "events" => $events);
			}
			else {
				$week[] = array("num" => null);
			}
		}
		$weeks[] = $week;
		$week = array();
	}
 
	$return = array (
			"monthName" => htmlentities(ucfirst(date("F", $firstOfMonth))),
			"monthInt" => $month,
			"year" => $year,
			"today" => array (
					"month" => date("n"),
					"day" => date("j"),
					"year" => date("Y")
				),
			"dayNames" => $day_names,
			"numWeeks" => $numWeeks,
			"weeks" => $weeks
		);
	return $return;
}
 
 
 
 
 
<table>
	<?php
		foreach ($componentPointer["hash"]["weeks"] as $weekNum => $week) {
			echo "<tr>";
 
			foreach ($week as $dayOfWeek => $day) {
				$cellContents = "&nbsp;";
				$class = "day";
				$dateLinkTitle = date("l F d, Y", mktime(0, 0, 0, $componentPointer["month"], $day["num"], $componentPointer["year"]));
 
				//$numLine = '<div class="evtCal_full_dayNumLine">' . $day["num"] . '</div>';
				$numLine = '<div class="evtCal_full_dayNumLine"><a href="' . $this->makeURL(array("component" => "eventcalendar", "task" => "viewDay", "month" => $componentPointer["month"], "day" => $day["num"], "year" => $componentPointer["year"])) . '" title="View Calendar Day: ' . $dateLinkTitle . '">' . $day["num"] . '</a></div>';
 
 
				switch ($day["num"]) {
					case null:
						$class .= " evtCal_full_dayNotThisMonth";
						break;
 
					default:
						if ($day["numEvents"] > 0) {
							$class .= " evtCal_full_dayHasEvents";
							//$numLine = '<div class="evtCal_full_dayNumLine"><a href="' . $this->makeURL(array("component" => "eventcalendar", "task" => "viewDay", "month" => $componentPointer["month"], "day" => $day["num"], "year" => $componentPointer["year"])) . '">' . $day["num"] . '</a></div>';
							$cellContents = '<div class="evtCal_full_dayContents">' . $day["numEvents"] . " event(s)</div>";
						}
						else {
							$class .= " evtCal_full_dayNoEvents";
						}
						break;
				}
 
				if ($componentPointer["hash"]["monthInt"] == $componentPointer["hash"]["today"]["month"] && $day["num"] == $componentPointer["hash"]["today"]["day"] && $componentPointer["hash"]["year"] == $componentPointer["hash"]["today"]["year"]) {
					$class .= " evtCal_full_dayToday";
				} else {}
 
				echo '<td class="' . $class . '">' . $numLine . $cellContents . '</td>';
			}
			echo '<td class="evtCal_full_spacerImageCell"><img src="' . $controller_config->absolute . '/supplementalFiles/img/spacer.gif" width="1" height="80" alt="spacer" /></td>';
			echo "</tr>";
		}
	?>
</table>