Changing EOL style to LF

1 files changed, 610 insertions, 610 deletions

diff --git a/system/helpers/date_helper.php b/system/helpers/date_helper.php
index c9c896882..dbd7e0ecc 100644
--- a/system/helpers/date_helper.php
+++ b/system/helpers/date_helper.php
@@ -1,611 +1,611 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');

-/**

- * CodeIgniter

- *

- * An open source application development framework for PHP 4.3.2 or newer

- *

- * @package		CodeIgniter

- * @author		ExpressionEngine Dev Team

- * @copyright	Copyright (c) 2008, EllisLab, Inc.

- * @license		http://codeigniter.com/user_guide/license.html

- * @link		http://codeigniter.com

- * @since		Version 1.0

- * @filesource

- */

-

-// ------------------------------------------------------------------------

-

-/**

- * CodeIgniter Date Helpers

- *

- * @package		CodeIgniter

- * @subpackage	Helpers

- * @category	Helpers

- * @author		ExpressionEngine Dev Team

- * @link		http://codeigniter.com/user_guide/helpers/date_helper.html

- */

-

-// ------------------------------------------------------------------------

-

-/**

- * Get "now" time

- *

- * Returns time() or its GMT equivalent based on the config file preference

- *

- * @access	public

- * @return	integer

- */	

-if ( ! function_exists('now'))

-{

-	function now()

-	{

-		$CI =& get_instance();

-	

-		if (strtolower($CI->config->item('time_reference')) == 'gmt')

-		{

-			$now = time();

-			$system_time = mktime(gmdate("H", $now), gmdate("i", $now), gmdate("s", $now), gmdate("m", $now), gmdate("d", $now), gmdate("Y", $now));

-	

-			if (strlen($system_time) < 10)

-			{

-				$system_time = time();

-				log_message('error', 'The Date class could not set a proper GMT timestamp so the local time() value was used.');

-			}

-	

-			return $system_time;

-		}

-		else

-		{

-			return time();

-		}

-	}

-}

-	

-// ------------------------------------------------------------------------

-

-/**

- * Convert MySQL Style Datecodes

- *

- * This function is identical to PHPs date() function,

- * except that it allows date codes to be formatted using

- * the MySQL style, where each code letter is preceded

- * with a percent sign:  %Y %m %d etc...

- *

- * The benefit of doing dates this way is that you don't

- * have to worry about escaping your text letters that

- * match the date codes.

- *

- * @access	public

- * @param	string

- * @param	integer

- * @return	integer

- */	

-if ( ! function_exists('mdate'))

-{

-	function mdate($datestr = '', $time = '')

-	{

-		if ($datestr == '')

-			return '';

-	

-		if ($time == '')

-			$time = now();

-		

-		$datestr = str_replace('%\\', '', preg_replace("/([a-z]+?){1}/i", "\\\\\\1", $datestr));

-		return date($datestr, $time);

-	}

-}

-	

-// ------------------------------------------------------------------------

-

-/**

- * Standard Date

- *

- * Returns a date formatted according to the submitted standard.

- *

- * @access	public

- * @param	string	the chosen format

- * @param	integer	Unix timestamp

- * @return	string

- */	

-if ( ! function_exists('standard_date'))

-{

-	function standard_date($fmt = 'DATE_RFC822', $time = '')

-	{

-		$formats = array(

-						'DATE_ATOM'		=>	'%Y-%m-%dT%H:%i:%s%Q',

-						'DATE_COOKIE'	=>	'%l, %d-%M-%y %H:%i:%s UTC',

-						'DATE_ISO8601'	=>	'%Y-%m-%dT%H:%i:%s%O',

-						'DATE_RFC822'	=>	'%D, %d %M %y %H:%i:%s %O',

-						'DATE_RFC850'	=>	'%l, %d-%M-%y %H:%m:%i UTC',

-						'DATE_RFC1036'	=>	'%D, %d %M %y %H:%i:%s %O',

-						'DATE_RFC1123'	=>	'%D, %d %M %Y %H:%i:%s %O',

-						'DATE_RSS'		=>	'%D, %d %M %Y %H:%i:%s %O',

-						'DATE_W3C'		=>	'%Y-%m-%dT%H:%i:%s%Q'

-						);

-

-		if ( ! isset($formats[$fmt]))

-		{

-			return FALSE;

-		}

-	

-		return mdate($formats[$fmt], $time);

-	}

-}

-	

-// ------------------------------------------------------------------------

-

-/**

- * Timespan

- *

- * Returns a span of seconds in this format:

- *	10 days 14 hours 36 minutes 47 seconds

- *

- * @access	public

- * @param	integer	a number of seconds

- * @param	integer	Unix timestamp

- * @return	integer

- */	

-if ( ! function_exists('timespan'))

-{

-	function timespan($seconds = 1, $time = '')

-	{

-		$CI =& get_instance();

-		$CI->lang->load('date');

-

-		if ( ! is_numeric($seconds))

-		{

-			$seconds = 1;

-		}

-	

-		if ( ! is_numeric($time))

-		{

-			$time = time();

-		}

-	

-		if ($time <= $seconds)

-		{

-			$seconds = 1;

-		}

-		else

-		{

-			$seconds = $time - $seconds;

-		}

-		

-		$str = '';

-		$years = floor($seconds / 31536000);

-	

-		if ($years > 0)

-		{	

-			$str .= $years.' '.$CI->lang->line((($years	> 1) ? 'date_years' : 'date_year')).', ';

-		}	

-	

-		$seconds -= $years * 31536000;

-		$months = floor($seconds / 2628000);

-	

-		if ($years > 0 OR $months > 0)

-		{

-			if ($months > 0)

-			{	

-				$str .= $months.' '.$CI->lang->line((($months	> 1) ? 'date_months' : 'date_month')).', ';

-			}	

-	

-			$seconds -= $months * 2628000;

-		}

-

-		$weeks = floor($seconds / 604800);

-	

-		if ($years > 0 OR $months > 0 OR $weeks > 0)

-		{

-			if ($weeks > 0)

-			{	

-				$str .= $weeks.' '.$CI->lang->line((($weeks	> 1) ? 'date_weeks' : 'date_week')).', ';

-			}

-		

-			$seconds -= $weeks * 604800;

-		}			

-

-		$days = floor($seconds / 86400);

-	

-		if ($months > 0 OR $weeks > 0 OR $days > 0)

-		{

-			if ($days > 0)

-			{	

-				$str .= $days.' '.$CI->lang->line((($days	> 1) ? 'date_days' : 'date_day')).', ';

-			}

-	

-			$seconds -= $days * 86400;

-		}

-	

-		$hours = floor($seconds / 3600);

-	

-		if ($days > 0 OR $hours > 0)

-		{

-			if ($hours > 0)

-			{

-				$str .= $hours.' '.$CI->lang->line((($hours	> 1) ? 'date_hours' : 'date_hour')).', ';

-			}

-		

-			$seconds -= $hours * 3600;

-		}

-	

-		$minutes = floor($seconds / 60);

-	

-		if ($days > 0 OR $hours > 0 OR $minutes > 0)

-		{

-			if ($minutes > 0)

-			{	

-				$str .= $minutes.' '.$CI->lang->line((($minutes	> 1) ? 'date_minutes' : 'date_minute')).', ';

-			}

-		

-			$seconds -= $minutes * 60;

-		}

-	

-		if ($str == '')

-		{

-			$str .= $seconds.' '.$CI->lang->line((($seconds	> 1) ? 'date_seconds' : 'date_second')).', ';

-		}

-			

-		return substr(trim($str), 0, -1);

-	}

-}

-	

-// ------------------------------------------------------------------------

-

-/**

- * Number of days in a month

- *

- * Takes a month/year as input and returns the number of days

- * for the given month/year. Takes leap years into consideration.

- *

- * @access	public

- * @param	integer a numeric month

- * @param	integer	a numeric year

- * @return	integer

- */	

-if ( ! function_exists('days_in_month'))

-{

-	function days_in_month($month = 0, $year = '')

-	{

-		if ($month < 1 OR $month > 12)

-		{

-			return 0;

-		}

-	

-		if ( ! is_numeric($year) OR strlen($year) != 4)

-		{

-			$year = date('Y');

-		}

-	

-		if ($month == 2)

-		{

-			if ($year % 400 == 0 OR ($year % 4 == 0 AND $year % 100 != 0))

-			{

-				return 29;

-			}

-		}

-

-		$days_in_month	= array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);

-		return $days_in_month[$month - 1];

-	}

-}

-	

-// ------------------------------------------------------------------------

-

-/**

- * Converts a local Unix timestamp to GMT

- *

- * @access	public

- * @param	integer Unix timestamp

- * @return	integer

- */	

-if ( ! function_exists('local_to_gmt'))

-{

-	function local_to_gmt($time = '')

-	{

-		if ($time == '')

-			$time = time();

-	

-		return mktime( gmdate("H", $time), gmdate("i", $time), gmdate("s", $time), gmdate("m", $time), gmdate("d", $time), gmdate("Y", $time));

-	}

-}

-	

-// ------------------------------------------------------------------------

-

-/**

- * Converts GMT time to a localized value

- *

- * Takes a Unix timestamp (in GMT) as input, and returns

- * at the local value based on the timezone and DST setting

- * submitted

- *

- * @access	public

- * @param	integer Unix timestamp

- * @param	string	timezone

- * @param	bool	whether DST is active

- * @return	integer

- */	

-if ( ! function_exists('gmt_to_local'))

-{

-	function gmt_to_local($time = '', $timezone = 'UTC', $dst = FALSE)

-	{			

-		if ($time == '')

-		{

-			return now();

-		}

-	

-		$time += timezones($timezone) * 3600;

-

-		if ($dst == TRUE)

-		{

-			$time += 3600;

-		}

-	

-		return $time;

-	}

-}

-	

-// ------------------------------------------------------------------------

-

-/**

- * Converts a MySQL Timestamp to Unix

- *

- * @access	public

- * @param	integer Unix timestamp

- * @return	integer

- */	

-if ( ! function_exists('mysql_to_unix'))

-{

-	function mysql_to_unix($time = '')

-	{

-		// We'll remove certain characters for backward compatibility

-		// since the formatting changed with MySQL 4.1

-		// YYYY-MM-DD HH:MM:SS

-	

-		$time = str_replace('-', '', $time);

-		$time = str_replace(':', '', $time);

-		$time = str_replace(' ', '', $time);

-	

-		// YYYYMMDDHHMMSS

-		return  mktime(

-						substr($time, 8, 2),

-						substr($time, 10, 2),

-						substr($time, 12, 2),

-						substr($time, 4, 2),

-						substr($time, 6, 2),

-						substr($time, 0, 4)

-						);

-	}

-}

-	

-// ------------------------------------------------------------------------

-

-/**

- * Unix to "Human"

- *

- * Formats Unix timestamp to the following prototype: 2006-08-21 11:35 PM

- *

- * @access	public

- * @param	integer Unix timestamp

- * @param	bool	whether to show seconds

- * @param	string	format: us or euro

- * @return	string

- */	

-if ( ! function_exists('unix_to_human'))

-{

-	function unix_to_human($time = '', $seconds = FALSE, $fmt = 'us')

-	{

-		$r  = date('Y', $time).'-'.date('m', $time).'-'.date('d', $time).' ';

-		

-		if ($fmt == 'us')

-		{

-			$r .= date('h', $time).':'.date('i', $time);

-		}

-		else

-		{

-			$r .= date('H', $time).':'.date('i', $time);

-		}

-	

-		if ($seconds)

-		{

-			$r .= ':'.date('s', $time);

-		}

-	

-		if ($fmt == 'us')

-		{

-			$r .= ' '.date('A', $time);

-		}

-		

-		return $r;

-	}

-}

-	

-// ------------------------------------------------------------------------

-

-/**

- * Convert "human" date to GMT

- *

- * Reverses the above process

- *

- * @access	public

- * @param	string	format: us or euro

- * @return	integer

- */	

-if ( ! function_exists('human_to_unix'))

-{

-	function human_to_unix($datestr = '')

-	{

-		if ($datestr == '')

-		{

-			return FALSE;

-		}

-	

-		$datestr = trim($datestr);

-		$datestr = preg_replace("/\040+/", "\040", $datestr);

-

-		if ( ! preg_match('/^[0-9]{2,4}\-[0-9]{1,2}\-[0-9]{1,2}\s[0-9]{1,2}:[0-9]{1,2}(?::[0-9]{1,2})?(?:\s[AP]M)?$/i', $datestr))

-		{

-			return FALSE;

-		}

-

-		$split = preg_split("/\040/", $datestr);

-

-		$ex = explode("-", $split['0']);

-	

-		$year  = (strlen($ex['0']) == 2) ? '20'.$ex['0'] : $ex['0'];

-		$month = (strlen($ex['1']) == 1) ? '0'.$ex['1']  : $ex['1'];

-		$day   = (strlen($ex['2']) == 1) ? '0'.$ex['2']  : $ex['2'];

-

-		$ex = explode(":", $split['1']);

-	

-		$hour = (strlen($ex['0']) == 1) ? '0'.$ex['0'] : $ex['0'];

-		$min  = (strlen($ex['1']) == 1) ? '0'.$ex['1'] : $ex['1'];

-

-		if (isset($ex['2']) AND ereg("[0-9]{1,2}", $ex['2']))

-		{

-			$sec  = (strlen($ex['2']) == 1) ? '0'.$ex['2'] : $ex['2'];

-		}

-		else

-		{

-			// Unless specified, seconds get set to zero.

-			$sec = '00';

-		}

-	

-		if (isset($split['2']))

-		{

-			$ampm = strtolower($split['2']);

-		

-			if (substr($ampm, 0, 1) == 'p' AND $hour < 12)

-				$hour = $hour + 12;

-			

-			if (substr($ampm, 0, 1) == 'a' AND $hour == 12)

-				$hour =  '00';

-			

-			if (strlen($hour) == 1)

-				$hour = '0'.$hour;

-		}

-			

-		return mktime($hour, $min, $sec, $month, $day, $year);

-	}

-}

-	

-// ------------------------------------------------------------------------

-

-/**

- * Timezone Menu

- *

- * Generates a drop-down menu of timezones.

- *

- * @access	public

- * @param	string	timezone

- * @param	string	classname

- * @param	string	menu name

- * @return	string

- */	

-if ( ! function_exists('timezone_menu'))

-{

-	function timezone_menu($default = 'UTC', $class = "", $name = 'timezones')

-	{

-		$CI =& get_instance();

-		$CI->lang->load('date');

-	

-		if ($default == 'GMT')

-			$default = 'UTC';

-

-		$menu = '<select name="'.$name.'"';

-	

-		if ($class != '')

-		{

-			$menu .= ' class="'.$class.'"';

-		}

-	

-		$menu .= ">\n";

-	

-		foreach (timezones() as $key => $val)

-		{

-			$selected = ($default == $key) ? " selected='selected'" : '';

-			$menu .= "<option value='{$key}'{$selected}>".$CI->lang->line($key)."</option>\n";

-		}

-

-		$menu .= "</select>";

-

-		return $menu;

-	}

-}

-	

-// ------------------------------------------------------------------------

-

-/**

- * Timezones

- *

- * Returns an array of timezones.  This is a helper function

- * for various other ones in this library

- *

- * @access	public

- * @param	string	timezone

- * @return	string

- */	

-if ( ! function_exists('timezones'))

-{

-	function timezones($tz = '')

-	{

-		// Note: Don't change the order of these even though

-		// some items appear to be in the wrong order

-		

-		$zones = array( 

-						'UM12'		=> -12,

-						'UM11'		=> -11,

-						'UM10'		=> -10,

-						'UM95'		=> -9.5,

-						'UM9'		=> -9,

-						'UM8'		=> -8,

-						'UM7'		=> -7,

-						'UM6'		=> -6,

-						'UM5'		=> -5,

-						'UM45'		=> -4.5,

-						'UM4'		=> -4,

-						'UM35'		=> -3.5,

-						'UM3'		=> -3,

-						'UM2'		=> -2,

-						'UM1'		=> -1,

-						'UTC'		=> 0,

-						'UP1'		=> +1,

-						'UP2'		=> +2,

-						'UP3'		=> +3,

-						'UP35'		=> +3.5,

-						'UP4'		=> +4,

-						'UP45'		=> +4.5,

-						'UP5'		=> +5,

-						'UP55'		=> +5.5,

-						'UP575'		=> +5.75,

-						'UP6'		=> +6,

-						'UP65'		=> +6.5,

-						'UP7'		=> +7,

-						'UP8'		=> +8,

-						'UP875'		=> +8.75,

-						'UP9'		=> +9,

-						'UP95'		=> +9.5,

-						'UP10'		=> +10,

-						'UP105'		=> +10.5,

-						'UP11'		=> +11,

-						'UP115'		=> +11.5,

-						'UP12'		=> +12,

-						'UP1275'	=> +12.75,

-						'UP13'		=> +13,

-						'UP14'		=> +14

-					);

-				

-		if ($tz == '')

-		{

-			return $zones;

-		}

-	

-		if ($tz == 'GMT')

-			$tz = 'UTC';

-	

-		return ( ! isset($zones[$tz])) ? 0 : $zones[$tz];

-	}

-}

-

-

-/* End of file date_helper.php */

+<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package		CodeIgniter
+ * @author		ExpressionEngine Dev Team
+ * @copyright	Copyright (c) 2008, EllisLab, Inc.
+ * @license		http://codeigniter.com/user_guide/license.html
+ * @link		http://codeigniter.com
+ * @since		Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * CodeIgniter Date Helpers
+ *
+ * @package		CodeIgniter
+ * @subpackage	Helpers
+ * @category	Helpers
+ * @author		ExpressionEngine Dev Team
+ * @link		http://codeigniter.com/user_guide/helpers/date_helper.html
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Get "now" time
+ *
+ * Returns time() or its GMT equivalent based on the config file preference
+ *
+ * @access	public
+ * @return	integer
+ */	
+if ( ! function_exists('now'))
+{
+	function now()
+	{
+		$CI =& get_instance();
+	
+		if (strtolower($CI->config->item('time_reference')) == 'gmt')
+		{
+			$now = time();
+			$system_time = mktime(gmdate("H", $now), gmdate("i", $now), gmdate("s", $now), gmdate("m", $now), gmdate("d", $now), gmdate("Y", $now));
+	
+			if (strlen($system_time) < 10)
+			{
+				$system_time = time();
+				log_message('error', 'The Date class could not set a proper GMT timestamp so the local time() value was used.');
+			}
+	
+			return $system_time;
+		}
+		else
+		{
+			return time();
+		}
+	}
+}
+	
+// ------------------------------------------------------------------------
+
+/**
+ * Convert MySQL Style Datecodes
+ *
+ * This function is identical to PHPs date() function,
+ * except that it allows date codes to be formatted using
+ * the MySQL style, where each code letter is preceded
+ * with a percent sign:  %Y %m %d etc...
+ *
+ * The benefit of doing dates this way is that you don't
+ * have to worry about escaping your text letters that
+ * match the date codes.
+ *
+ * @access	public
+ * @param	string
+ * @param	integer
+ * @return	integer
+ */	
+if ( ! function_exists('mdate'))
+{
+	function mdate($datestr = '', $time = '')
+	{
+		if ($datestr == '')
+			return '';
+	
+		if ($time == '')
+			$time = now();
+		
+		$datestr = str_replace('%\\', '', preg_replace("/([a-z]+?){1}/i", "\\\\\\1", $datestr));
+		return date($datestr, $time);
+	}
+}
+	
+// ------------------------------------------------------------------------
+
+/**
+ * Standard Date
+ *
+ * Returns a date formatted according to the submitted standard.
+ *
+ * @access	public
+ * @param	string	the chosen format
+ * @param	integer	Unix timestamp
+ * @return	string
+ */	
+if ( ! function_exists('standard_date'))
+{
+	function standard_date($fmt = 'DATE_RFC822', $time = '')
+	{
+		$formats = array(
+						'DATE_ATOM'		=>	'%Y-%m-%dT%H:%i:%s%Q',
+						'DATE_COOKIE'	=>	'%l, %d-%M-%y %H:%i:%s UTC',
+						'DATE_ISO8601'	=>	'%Y-%m-%dT%H:%i:%s%O',
+						'DATE_RFC822'	=>	'%D, %d %M %y %H:%i:%s %O',
+						'DATE_RFC850'	=>	'%l, %d-%M-%y %H:%m:%i UTC',
+						'DATE_RFC1036'	=>	'%D, %d %M %y %H:%i:%s %O',
+						'DATE_RFC1123'	=>	'%D, %d %M %Y %H:%i:%s %O',
+						'DATE_RSS'		=>	'%D, %d %M %Y %H:%i:%s %O',
+						'DATE_W3C'		=>	'%Y-%m-%dT%H:%i:%s%Q'
+						);
+
+		if ( ! isset($formats[$fmt]))
+		{
+			return FALSE;
+		}
+	
+		return mdate($formats[$fmt], $time);
+	}
+}
+	
+// ------------------------------------------------------------------------
+
+/**
+ * Timespan
+ *
+ * Returns a span of seconds in this format:
+ *	10 days 14 hours 36 minutes 47 seconds
+ *
+ * @access	public
+ * @param	integer	a number of seconds
+ * @param	integer	Unix timestamp
+ * @return	integer
+ */	
+if ( ! function_exists('timespan'))
+{
+	function timespan($seconds = 1, $time = '')
+	{
+		$CI =& get_instance();
+		$CI->lang->load('date');
+
+		if ( ! is_numeric($seconds))
+		{
+			$seconds = 1;
+		}
+	
+		if ( ! is_numeric($time))
+		{
+			$time = time();
+		}
+	
+		if ($time <= $seconds)
+		{
+			$seconds = 1;
+		}
+		else
+		{
+			$seconds = $time - $seconds;
+		}
+		
+		$str = '';
+		$years = floor($seconds / 31536000);
+	
+		if ($years > 0)
+		{	
+			$str .= $years.' '.$CI->lang->line((($years	> 1) ? 'date_years' : 'date_year')).', ';
+		}	
+	
+		$seconds -= $years * 31536000;
+		$months = floor($seconds / 2628000);
+	
+		if ($years > 0 OR $months > 0)
+		{
+			if ($months > 0)
+			{	
+				$str .= $months.' '.$CI->lang->line((($months	> 1) ? 'date_months' : 'date_month')).', ';
+			}	
+	
+			$seconds -= $months * 2628000;
+		}
+
+		$weeks = floor($seconds / 604800);
+	
+		if ($years > 0 OR $months > 0 OR $weeks > 0)
+		{
+			if ($weeks > 0)
+			{	
+				$str .= $weeks.' '.$CI->lang->line((($weeks	> 1) ? 'date_weeks' : 'date_week')).', ';
+			}
+		
+			$seconds -= $weeks * 604800;
+		}			
+
+		$days = floor($seconds / 86400);
+	
+		if ($months > 0 OR $weeks > 0 OR $days > 0)
+		{
+			if ($days > 0)
+			{	
+				$str .= $days.' '.$CI->lang->line((($days	> 1) ? 'date_days' : 'date_day')).', ';
+			}
+	
+			$seconds -= $days * 86400;
+		}
+	
+		$hours = floor($seconds / 3600);
+	
+		if ($days > 0 OR $hours > 0)
+		{
+			if ($hours > 0)
+			{
+				$str .= $hours.' '.$CI->lang->line((($hours	> 1) ? 'date_hours' : 'date_hour')).', ';
+			}
+		
+			$seconds -= $hours * 3600;
+		}
+	
+		$minutes = floor($seconds / 60);
+	
+		if ($days > 0 OR $hours > 0 OR $minutes > 0)
+		{
+			if ($minutes > 0)
+			{	
+				$str .= $minutes.' '.$CI->lang->line((($minutes	> 1) ? 'date_minutes' : 'date_minute')).', ';
+			}
+		
+			$seconds -= $minutes * 60;
+		}
+	
+		if ($str == '')
+		{
+			$str .= $seconds.' '.$CI->lang->line((($seconds	> 1) ? 'date_seconds' : 'date_second')).', ';
+		}
+			
+		return substr(trim($str), 0, -1);
+	}
+}
+	
+// ------------------------------------------------------------------------
+
+/**
+ * Number of days in a month
+ *
+ * Takes a month/year as input and returns the number of days
+ * for the given month/year. Takes leap years into consideration.
+ *
+ * @access	public
+ * @param	integer a numeric month
+ * @param	integer	a numeric year
+ * @return	integer
+ */	
+if ( ! function_exists('days_in_month'))
+{
+	function days_in_month($month = 0, $year = '')
+	{
+		if ($month < 1 OR $month > 12)
+		{
+			return 0;
+		}
+	
+		if ( ! is_numeric($year) OR strlen($year) != 4)
+		{
+			$year = date('Y');
+		}
+	
+		if ($month == 2)
+		{
+			if ($year % 400 == 0 OR ($year % 4 == 0 AND $year % 100 != 0))
+			{
+				return 29;
+			}
+		}
+
+		$days_in_month	= array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
+		return $days_in_month[$month - 1];
+	}
+}
+	
+// ------------------------------------------------------------------------
+
+/**
+ * Converts a local Unix timestamp to GMT
+ *
+ * @access	public
+ * @param	integer Unix timestamp
+ * @return	integer
+ */	
+if ( ! function_exists('local_to_gmt'))
+{
+	function local_to_gmt($time = '')
+	{
+		if ($time == '')
+			$time = time();
+	
+		return mktime( gmdate("H", $time), gmdate("i", $time), gmdate("s", $time), gmdate("m", $time), gmdate("d", $time), gmdate("Y", $time));
+	}
+}
+	
+// ------------------------------------------------------------------------
+
+/**
+ * Converts GMT time to a localized value
+ *
+ * Takes a Unix timestamp (in GMT) as input, and returns
+ * at the local value based on the timezone and DST setting
+ * submitted
+ *
+ * @access	public
+ * @param	integer Unix timestamp
+ * @param	string	timezone
+ * @param	bool	whether DST is active
+ * @return	integer
+ */	
+if ( ! function_exists('gmt_to_local'))
+{
+	function gmt_to_local($time = '', $timezone = 'UTC', $dst = FALSE)
+	{			
+		if ($time == '')
+		{
+			return now();
+		}
+	
+		$time += timezones($timezone) * 3600;
+
+		if ($dst == TRUE)
+		{
+			$time += 3600;
+		}
+	
+		return $time;
+	}
+}
+	
+// ------------------------------------------------------------------------
+
+/**
+ * Converts a MySQL Timestamp to Unix
+ *
+ * @access	public
+ * @param	integer Unix timestamp
+ * @return	integer
+ */	
+if ( ! function_exists('mysql_to_unix'))
+{
+	function mysql_to_unix($time = '')
+	{
+		// We'll remove certain characters for backward compatibility
+		// since the formatting changed with MySQL 4.1
+		// YYYY-MM-DD HH:MM:SS
+	
+		$time = str_replace('-', '', $time);
+		$time = str_replace(':', '', $time);
+		$time = str_replace(' ', '', $time);
+	
+		// YYYYMMDDHHMMSS
+		return  mktime(
+						substr($time, 8, 2),
+						substr($time, 10, 2),
+						substr($time, 12, 2),
+						substr($time, 4, 2),
+						substr($time, 6, 2),
+						substr($time, 0, 4)
+						);
+	}
+}
+	
+// ------------------------------------------------------------------------
+
+/**
+ * Unix to "Human"
+ *
+ * Formats Unix timestamp to the following prototype: 2006-08-21 11:35 PM
+ *
+ * @access	public
+ * @param	integer Unix timestamp
+ * @param	bool	whether to show seconds
+ * @param	string	format: us or euro
+ * @return	string
+ */	
+if ( ! function_exists('unix_to_human'))
+{
+	function unix_to_human($time = '', $seconds = FALSE, $fmt = 'us')
+	{
+		$r  = date('Y', $time).'-'.date('m', $time).'-'.date('d', $time).' ';
+		
+		if ($fmt == 'us')
+		{
+			$r .= date('h', $time).':'.date('i', $time);
+		}
+		else
+		{
+			$r .= date('H', $time).':'.date('i', $time);
+		}
+	
+		if ($seconds)
+		{
+			$r .= ':'.date('s', $time);
+		}
+	
+		if ($fmt == 'us')
+		{
+			$r .= ' '.date('A', $time);
+		}
+		
+		return $r;
+	}
+}
+	
+// ------------------------------------------------------------------------
+
+/**
+ * Convert "human" date to GMT
+ *
+ * Reverses the above process
+ *
+ * @access	public
+ * @param	string	format: us or euro
+ * @return	integer
+ */	
+if ( ! function_exists('human_to_unix'))
+{
+	function human_to_unix($datestr = '')
+	{
+		if ($datestr == '')
+		{
+			return FALSE;
+		}
+	
+		$datestr = trim($datestr);
+		$datestr = preg_replace("/\040+/", "\040", $datestr);
+
+		if ( ! preg_match('/^[0-9]{2,4}\-[0-9]{1,2}\-[0-9]{1,2}\s[0-9]{1,2}:[0-9]{1,2}(?::[0-9]{1,2})?(?:\s[AP]M)?$/i', $datestr))
+		{
+			return FALSE;
+		}
+
+		$split = preg_split("/\040/", $datestr);
+
+		$ex = explode("-", $split['0']);
+	
+		$year  = (strlen($ex['0']) == 2) ? '20'.$ex['0'] : $ex['0'];
+		$month = (strlen($ex['1']) == 1) ? '0'.$ex['1']  : $ex['1'];
+		$day   = (strlen($ex['2']) == 1) ? '0'.$ex['2']  : $ex['2'];
+
+		$ex = explode(":", $split['1']);
+	
+		$hour = (strlen($ex['0']) == 1) ? '0'.$ex['0'] : $ex['0'];
+		$min  = (strlen($ex['1']) == 1) ? '0'.$ex['1'] : $ex['1'];
+
+		if (isset($ex['2']) AND ereg("[0-9]{1,2}", $ex['2']))
+		{
+			$sec  = (strlen($ex['2']) == 1) ? '0'.$ex['2'] : $ex['2'];
+		}
+		else
+		{
+			// Unless specified, seconds get set to zero.
+			$sec = '00';
+		}
+	
+		if (isset($split['2']))
+		{
+			$ampm = strtolower($split['2']);
+		
+			if (substr($ampm, 0, 1) == 'p' AND $hour < 12)
+				$hour = $hour + 12;
+			
+			if (substr($ampm, 0, 1) == 'a' AND $hour == 12)
+				$hour =  '00';
+			
+			if (strlen($hour) == 1)
+				$hour = '0'.$hour;
+		}
+			
+		return mktime($hour, $min, $sec, $month, $day, $year);
+	}
+}
+	
+// ------------------------------------------------------------------------
+
+/**
+ * Timezone Menu
+ *
+ * Generates a drop-down menu of timezones.
+ *
+ * @access	public
+ * @param	string	timezone
+ * @param	string	classname
+ * @param	string	menu name
+ * @return	string
+ */	
+if ( ! function_exists('timezone_menu'))
+{
+	function timezone_menu($default = 'UTC', $class = "", $name = 'timezones')
+	{
+		$CI =& get_instance();
+		$CI->lang->load('date');
+	
+		if ($default == 'GMT')
+			$default = 'UTC';
+
+		$menu = '<select name="'.$name.'"';
+	
+		if ($class != '')
+		{
+			$menu .= ' class="'.$class.'"';
+		}
+	
+		$menu .= ">\n";
+	
+		foreach (timezones() as $key => $val)
+		{
+			$selected = ($default == $key) ? " selected='selected'" : '';
+			$menu .= "<option value='{$key}'{$selected}>".$CI->lang->line($key)."</option>\n";
+		}
+
+		$menu .= "</select>";
+
+		return $menu;
+	}
+}
+	
+// ------------------------------------------------------------------------
+
+/**
+ * Timezones
+ *
+ * Returns an array of timezones.  This is a helper function
+ * for various other ones in this library
+ *
+ * @access	public
+ * @param	string	timezone
+ * @return	string
+ */	
+if ( ! function_exists('timezones'))
+{
+	function timezones($tz = '')
+	{
+		// Note: Don't change the order of these even though
+		// some items appear to be in the wrong order
+		
+		$zones = array( 
+						'UM12'		=> -12,
+						'UM11'		=> -11,
+						'UM10'		=> -10,
+						'UM95'		=> -9.5,
+						'UM9'		=> -9,
+						'UM8'		=> -8,
+						'UM7'		=> -7,
+						'UM6'		=> -6,
+						'UM5'		=> -5,
+						'UM45'		=> -4.5,
+						'UM4'		=> -4,
+						'UM35'		=> -3.5,
+						'UM3'		=> -3,
+						'UM2'		=> -2,
+						'UM1'		=> -1,
+						'UTC'		=> 0,
+						'UP1'		=> +1,
+						'UP2'		=> +2,
+						'UP3'		=> +3,
+						'UP35'		=> +3.5,
+						'UP4'		=> +4,
+						'UP45'		=> +4.5,
+						'UP5'		=> +5,
+						'UP55'		=> +5.5,
+						'UP575'		=> +5.75,
+						'UP6'		=> +6,
+						'UP65'		=> +6.5,
+						'UP7'		=> +7,
+						'UP8'		=> +8,
+						'UP875'		=> +8.75,
+						'UP9'		=> +9,
+						'UP95'		=> +9.5,
+						'UP10'		=> +10,
+						'UP105'		=> +10.5,
+						'UP11'		=> +11,
+						'UP115'		=> +11.5,
+						'UP12'		=> +12,
+						'UP1275'	=> +12.75,
+						'UP13'		=> +13,
+						'UP14'		=> +14
+					);
+				
+		if ($tz == '')
+		{
+			return $zones;
+		}
+	
+		if ($tz == 'GMT')
+			$tz = 'UTC';
+	
+		return ( ! isset($zones[$tz])) ? 0 : $zones[$tz];
+	}
+}
+
+
+/* End of file date_helper.php */
 /* Location: ./system/helpers/date_helper.php */
\ No newline at end of file