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