| <?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) 2006, 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", $datestr);
|
|
|
| if (! ereg("^[0-9]{2,4}\-[0-9]{1,2}\-[0-9]{1,2}\040[0-9]{1,2}:[0-9]{1,2}.*$", $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, $year);
|
| }
|
| }
|
|
|
| // ------------------------------------------------------------------------
|
|
|
| /**
|
| * Timezone Menu
|
| *
|
| * Generates a drop-down menu of timezones.
|
| *
|
| * @access public
|
| * @param string timezone
|
| * @param string classname
|
| * @param string menu name
|
| * @return string
|
| */
|
| if (! function_exists('timezone_menu'))
|
| {
|
| function timezone_menu($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
|
|
|
| $zones = array(
|
| 'UM12' => -12,
|
| 'UM11' => -11,
|
| 'UM10' => -10,
|
| 'UM9' => -9,
|
| 'UM8' => -8,
|
| 'UM7' => -7,
|
| 'UM6' => -6,
|
| 'UM5' => -5,
|
| 'UM4' => -4,
|
| 'UM25' => -2.5,
|
| 'UM3' => -3,
|
| 'UM2' => -2,
|
| 'UM1' => -1,
|
| 'UTC' => 0,
|
| 'UP1' => +1,
|
| 'UP2' => +2,
|
| 'UP3' => +3,
|
| 'UP25' => +2.5,
|
| 'UP4' => +4,
|
| 'UP35' => +3.5,
|
| 'UP5' => +5,
|
| 'UP45' => +4.5,
|
| 'UP6' => +6,
|
| 'UP7' => +7,
|
| 'UP8' => +8,
|
| 'UP9' => +9,
|
| 'UP85' => +8.5,
|
| 'UP10' => +10,
|
| 'UP11' => +11,
|
| 'UP12' => +12
|
| );
|
|
|
| if ($tz == '')
|
| {
|
| return $zones;
|
| }
|
|
|
| if ($tz == 'GMT')
|
| $tz = 'UTC';
|
|
|
| return (! isset($zones[$tz])) ? 0 : $zones[$tz];
|
| }
|
| }
|
|
|
| |
| /* End of file date_helper.php */ |
| /* Location: ./system/helpers/date_helper.php */ |