Fuzzy Date Function

fuzzydate.php

<?php
function fuzzyDate($date, $inputFormat = DateTime::ATOM, $outputDateFormat = "l, F dS, Y", $outputTimeFormat = "H:ia") {
	if (!$inputFormat) {
		$inputFormat = DateTime::ATOM;
	}
	
	if (!$outputDateFormat) {
		$outputDateFormat = "l, F dS, Y";
	}
	
	$dateTime = DateTime::createFromFormat($inputFormat, $date);

	// Failed to parse, probably invalid date
	if (!$dateTime) {
		return false;
	}

	// Get Timezone so we can use it for the other dates
	$timezone = $dateTime->getTimeZone();

	// Fuzzy Date ranges
	$lastWeekStart = new DateTime("2 weeks ago sunday 11:59:59", $timezone);

	$yesterdayStart = new DateTime("yesterday midnight");

	$todayStart = new DateTime("today midnight", $timezone);
	$todayEnd = new DateTime("today 23:59:59", $timezone);

	$tomorrowStart = new DateTime("tomorrow midnight", $timezone);
	$tomorrowEnd = new DateTime("tomorrow 23:59:59", $timezone);

	$thisWeekStart = new DateTime("1 week ago sunday 11:59:59", $timezone);
	$thisWeekEnd = new DateTime("sunday 11:59:59", $timezone);
	
	$nextWeekEnd = new DateTime("1 week sunday midnight", $timezone);
	
	$prefix = '';
	
	// We have to start with the oldest onces first
	if ($dateTime < $lastWeekStart) {
		// Older than 1 week
		$prefix = "on";
		$fuzzyDate = ucwords($dateTime->format($outputDateFormat));
	} elseif ($dateTime > $lastWeekStart && $dateTime < $thisWeekStart) {
		// Some time in the previous week
		$prefix = "Last";
		$fuzzyDate = ucwords($dateTime->format("l"));
	} elseif ($dateTime > $yesterdayStart && $dateTime < $todayStart) {
		// Yesterday
		$fuzzyDate = "Yesterday";
	} elseif ($dateTime < $todayEnd) {
		// Today
		$fuzzyDate = "Today";
	} elseif ($dateTime < $tomorrowEnd) {
		// Tomorrow
		$fuzzyDate = "Tomorrow";
	} elseif ($dateTime < $thisWeekEnd) {
		// Sometime in the current week
		$prefix = "This";
		$fuzzyDate = ucwords($dateTime->format("l"));
	} elseif ($dateTime < $nextWeekEnd) {
		// Some time in the following week
		$prefix = "Next";
		$fuzzyDate = ucwords($dateTime->format("l"));
	} else {
		// More than 2 weeks out.
		$prefix = "on";
		$fuzzyDate = ucwords($dateTime->format($outputDateFormat));
	}
	
	// Midnight or an actual time
	if ($dateTime->format("Hi") != "0000") {
		$fuzzyTime = $dateTime->format($outputTimeFormat);
	} else {
		$fuzzyTime = "midnight";
	}
	
	$format = '%s %s at %s';
	return trim(sprintf($format, $prefix, $fuzzyDate, $fuzzyTime));
}
?>