removed duplicate 'DATE_RFC822'

1 files changed, 564 insertions, 565 deletions

diff --git a/system/helpers/date_helper.php b/system/helpers/date_helper.php
index b8df03edb..504a962ce 100644
--- a/system/helpers/date_helper.php
+++ b/system/helpers/date_helper.php
@@ -1,566 +1,565 @@
-<?php  if (!defined('BASEPATH')) exit('No direct script access allowed');
-/**
- * Code Igniter
- *
- * An open source application development framework for PHP 4.3.2 or newer
- *
- * @package		CodeIgniter
- * @author		Rick Ellis
- * @copyright	Copyright (c) 2006, pMachine, Inc.
- * @license		http://www.codeignitor.com/user_guide/license.html
- * @link		http://www.codeigniter.com
- * @since		Version 1.0
- * @filesource
- */
-
-// ------------------------------------------------------------------------
-
-/**
- * Code Igniter Date Helpers
- *
- * @package		CodeIgniter
- * @subpackage	Helpers
- * @category	Helpers
- * @author		Rick Ellis
- * @link		http://www.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
- */	
-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 $system_time;
-	}
-	else
-	{
-		return time();
-	}
-}
-	
-// ------------------------------------------------------------------------
-
-/**
- * Convert MySQL Style Datecodes
- *
- * This function is identical to PHPs date() function,
- * except that it allows date codes to be formatted using
- * the MySQL style, where each code letter is preceded
- * with a percent sign:  %Y %m %d etc...
- *
- * The benefit of doing dates this way is that you don't
- * have to worry about escaping your text letters that
- * match the date codes.
- *
- * @access	public
- * @param	string
- * @param	integer
- * @return	integer
- */	
-function mdate($datestr = '', $time = '')
-{
-	if ($datestr == '')
-		return '';
-	
-	if ($time == '')
-		$time = now();
-		
-	$datestr = str_replace('%\\', '', preg_replace("/([a-z]+?){1}/i", "\\\\\\1", $datestr));
-	return date($datestr, $time);
-}
-	
-// ------------------------------------------------------------------------
-
-/**
- * Standard Date
- *
- * Returns a date formatted according to the submitted standard.
- *
- * @access	public
- * @param	string	the chosen format
- * @param	integer	Unix timestamp
- * @return	string
- */	
-function standard_date($fmt = 'DATE_RFC822', $time = '')
-{
-	$formats = array(
-					'DATE_ATOM'		=>	'%Y-%m-%dT%H:%i:%s%Q',
-					'DATE_COOKIE'	=>	'%l, %d-%M-%y %H:%i:%s UTC',
-					'DATE_ISO8601'	=>	'%Y-%m-%dT%H:%i:%s%O',
-					'DATE_RFC822'	=>	'%D, %d %M %y %H:%i:%s %O',
-					'DATE_RFC850'	=>	'%l, %d-%M-%y %H:%m:%i UTC',
-					'DATE_RFC1036'	=>	'%D, %d %M %y %H:%i:%s %O',
-					'DATE_RFC1123'	=>	'%D, %d %M %Y %H:%i:%s %O',
-					'DATE_RFC2822'	=>	'%D, %d %M %Y %H:%i:%s %O',
-					'DATE_RSS'		=>	'%D, %d %M %Y %H:%i:%s %O',
-					'DATE_W3C'		=>	'%Y-%m-%dT%H:%i:%s%Q'
-					);
-
-	if ( ! isset($formats[$fmt]))
-	{
-		return FALSE;
-	}
-	
-	return mdate($formats[$fmt], $time);
-}
-
-	
-// ------------------------------------------------------------------------
-
-/**
- * Timespan
- *
- * Returns a span of seconds in this format:
- *	10 days 14 hours 36 minutes 47 seconds
- *
- * @access	public
- * @param	integer	a number of seconds
- * @param	integer	Unix timestamp
- * @return	integer
- */	
-function timespan($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
- */	
-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
- */	
-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", $time));
-}
-	
-// ------------------------------------------------------------------------
-
-/**
- * Converts GMT time to a localized value
- *
- * Takes a Unix timestamp (in GMT) as input, and returns
- * at the local value based on the timezone and DST setting
- * submitted
- *
- * @access	public
- * @param	integer Unix timestamp
- * @param	string	timezone
- * @param	bool	whether DST is active
- * @return	integer
- */	
-function gmt_to_local($time = '', $timezone = 'UTC', $dst = FALSE)
-{			
-	if ($time == '')
-	{
-		return now();
-	}
-	
-	$time += timezones($timezone) * 3600;
-
-	if ($dst == TRUE)
-	{
-		$time += 3600;
-	}
-	
-	return $time;
-}
-	
-// ------------------------------------------------------------------------
-
-/**
- * Converts a MySQL Timestamp to Unix
- *
- * @access	public
- * @param	integer Unix timestamp
- * @return	integer
- */	
-function mysql_to_unix($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($time, 0, 4)
-					);
-}
-	
-// ------------------------------------------------------------------------
-
-/**
- * Unix to "Human"
- *
- * Formats Unix timestamp to the following prototype: 2006-08-21 11:35 PM
- *
- * @access	public
- * @param	integer Unix timestamp
- * @param	bool	whether to show seconds
- * @param	string	format: us or euro
- * @return	string
- */	
-function unix_to_human($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 $r;
-}
-	
-// ------------------------------------------------------------------------
-
-/**
- * Convert "human" date to GMT
- *
- * Reverses the above process
- *
- * @access	public
- * @param	string	format: us or euro
- * @return	integer
- */	
-function human_to_unix($datestr = '')
-{
-	if ($datestr == '')
-	{
-		return FALSE;
-	}
-	
-	$datestr = trim($datestr);
-	$datestr = preg_replace("/\040+/", "\040", $datestr);
-
-	if ( ! ereg("^[0-9]{2,4}\-[0-9]{1,2}\-[0-9]{1,2}\040[0-9]{1,2}:[0-9]{1,2}.*$", $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, $year);
-}
-	
-// ------------------------------------------------------------------------
-
-/**
- * Timezone Menu
- *
- * Generates a drop-down menu of timezones.
- *
- * @access	public
- * @param	string	timezone
- * @param	string	classname
- * @param	string	menu name
- * @return	string
- */	
-function timezone_menu($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 $menu;
-}
-	
-// ------------------------------------------------------------------------
-
-/**
- * Timezones
- *
- * Returns an array of timezones.  This is a helper function
- * for various other ones in this library
- *
- * @access	public
- * @param	string	timezone
- * @return	string
- */	
-function timezones($tz = '')
-{
-	// Note: Don't change the order of these even though
-	// some items appear to be in the wrong order
-		
-	$zones = array(
-					'UM12' => -12,
-					'UM11' => -11,
-					'UM10' => -10,
-					'UM9'  => -9,
-					'UM8'  => -8,
-					'UM7'  => -7,
-					'UM6'  => -6,
-					'UM5'  => -5,
-					'UM4'  => -4,
-					'UM25' => -2.5,
-					'UM3'  => -3,
-					'UM2'  => -2,
-					'UM1'  => -1,
-					'UTC'  => 0,
-					'UP1'  => +1,
-					'UP2'  => +2,
-					'UP3'  => +3,
-					'UP25' => +2.5,
-					'UP4'  => +4,
-					'UP35' => +3.5,
-					'UP5'  => +5,
-					'UP45' => +4.5,
-					'UP6'  => +6,
-					'UP7'  => +7,
-					'UP8'  => +8,
-					'UP9'  => +9,
-					'UP85' => +8.5,
-					'UP10' => +10,
-					'UP11' => +11,
-					'UP12' => +12
-				);
-				
-	if ($tz == '')
-	{
-		return $zones;
-	}
-	
-	if ($tz == 'GMT')
-		$tz = 'UTC';
-	
-	return ( ! isset($zones[$tz])) ? 0 : $zones[$tz];
-}
-
-
+<?php  if (!defined('BASEPATH')) exit('No direct script access allowed');

+/**

+ * Code Igniter

+ *

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

+ *

+ * @package		CodeIgniter

+ * @author		Rick Ellis

+ * @copyright	Copyright (c) 2006, pMachine, Inc.

+ * @license		http://www.codeignitor.com/user_guide/license.html

+ * @link		http://www.codeigniter.com

+ * @since		Version 1.0

+ * @filesource

+ */

+

+// ------------------------------------------------------------------------

+

+/**

+ * Code Igniter Date Helpers

+ *

+ * @package		CodeIgniter

+ * @subpackage	Helpers

+ * @category	Helpers

+ * @author		Rick Ellis

+ * @link		http://www.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

+ */	

+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

+ */	

+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

+ */	

+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

+ */	

+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

+ */	

+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

+ */	

+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

+ */	

+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

+ */	

+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

+ */	

+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

+ */	

+function human_to_unix($datestr = '')

+{

+	if ($datestr == '')

+	{

+		return FALSE;

+	}

+	

+	$datestr = trim($datestr);

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

+

+	if ( ! ereg("^[0-9]{2,4}\-[0-9]{1,2}\-[0-9]{1,2}\040[0-9]{1,2}:[0-9]{1,2}.*$", $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

+ */	

+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

+ */	

+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,

+					'UM9'  => -9,

+					'UM8'  => -8,

+					'UM7'  => -7,

+					'UM6'  => -6,

+					'UM5'  => -5,

+					'UM4'  => -4,

+					'UM25' => -2.5,

+					'UM3'  => -3,

+					'UM2'  => -2,

+					'UM1'  => -1,

+					'UTC'  => 0,

+					'UP1'  => +1,

+					'UP2'  => +2,

+					'UP3'  => +3,

+					'UP25' => +2.5,

+					'UP4'  => +4,

+					'UP35' => +3.5,

+					'UP5'  => +5,

+					'UP45' => +4.5,

+					'UP6'  => +6,

+					'UP7'  => +7,

+					'UP8'  => +8,

+					'UP9'  => +9,

+					'UP85' => +8.5,

+					'UP10' => +10,

+					'UP11' => +11,

+					'UP12' => +12

+				);

+				

+	if ($tz == '')

+	{

+		return $zones;

+	}

+	

+	if ($tz == 'GMT')

+		$tz = 'UTC';

+	

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

+}

+

+

 ?>
\ No newline at end of file