pi.countdown.php

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

$plugin_info = array(
	'pi_name' => 'EE2 Countdown',
	'pi_version' => '1.0',
	'pi_author' => 'Jack McDade',
	'pi_author_url' => 'http://lobsterwarmachine.com/',
	'pi_description' => "Counts down to a given date. Based off Marlana Shipley's EE Countdown plugin.",
	'pi_usage' => Countdown::usage()
);

class Countdown
{

	var $return_data = '';

	function Countdown()
	{
		$this->EE =& get_instance();
	
		$day = $this->EE->TMPL->fetch_param('day');
		$month = $this->EE->TMPL->fetch_param('month');
		$year = $this->EE->TMPL->fetch_param('year');
		$hour = $this->EE->TMPL->fetch_param('hour');

		// get current unix timestamp
		$today = time();

		//make unix timestamp for given date
		$countdowndate = mktime(0, 0, $hour, $month, $day, $year);

		//calculate difference  
		$difference = $countdowndate - $today;
		$difference = $difference < 0 ? 0 : $difference;

		$days_left = floor($difference/60/60/24);
		$hours_left = floor(($difference - $days_left*60*60*24)/60/60);
		
		$variables = array();
		$variables[] = array(
			'days' => $days_left,
			'hours' => $hours_left
		);

		$this->return_data = $this->EE->TMPL->parse_variables($this->EE->TMPL->tagdata, $variables);
	}

	// ----------------------------------------
	//  Plugin Usage
	// ----------------------------------------


	function usage()
	{
		ob_start(); 
		?>
  
  The EE Countdown plug-in allows you to insert a simple countdown to a specified date into your templates.  The required paramaters are the day, month and year (in numberic form) of the date you are counting down to.
  
==REQUIRED PARAMETERS==
	day="[1..31]"
	The day of the month you are counting down to.
  
	month="[1..12]"
	The month number that you are counting down to.  Ex:  1 for January, 2 February, etc.
  
	year="[2004...]"
	The year, any above 2004 should work.
  
==OPTIONAL PARAMETERS==
	hours="[0...24]"
	The hour your event begins on, in 24 hour format.  24 is midnight, 12 is noon, etc.
	
==SINGLE VARIABLES==
	{days} Days left
	{hours} Hours left
  
===POSSIBLE EXAMPLES===

	{exp:countdown day="25" month="12" year="2012"}
	Christmas next year is in {days} days.
	{/exp:countdown}
	
<?php
  $buffer = ob_get_contents();
	
  ob_end_clean(); 

  return $buffer;
  }
}