--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cake/libs/view/helpers/time.php	Sun Jul 24 21:08:31 2011 +0900
@@ -0,0 +1,744 @@
+<?php
+/**
+ * Time Helper class file.
+ *
+ * PHP versions 4 and 5
+ *
+ * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
+ * Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
+ *
+ * Licensed under The MIT License
+ * Redistributions of files must retain the above copyright notice.
+ *
+ * @copyright     Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
+ * @link          http://cakephp.org CakePHP(tm) Project
+ * @package       cake
+ * @subpackage    cake.cake.libs.view.helpers
+ * @since         CakePHP(tm) v 0.10.0.1076
+ * @license       MIT License (http://www.opensource.org/licenses/mit-license.php)
+ */
+
+/**
+ * Time Helper class for easy use of time data.
+ *
+ * Manipulation of time data.
+ *
+ * @package       cake
+ * @subpackage    cake.cake.libs.view.helpers
+ * @link http://book.cakephp.org/view/1470/Time
+ */
+class TimeHelper extends AppHelper {
+
+/**
+ * Converts a string representing the format for the function strftime and returns a
+ * windows safe and i18n aware format.
+ *
+ * @param string $format Format with specifiers for strftime function.
+ *    Accepts the special specifier %S which mimics th modifier S for date()
+ * @param string UNIX timestamp
+ * @return string windows safe and date() function compatible format for strftime
+ * @access public
+ */
+	function convertSpecifiers($format, $time = null) {
+		if (!$time) {
+			$time = time();
+		}
+		$this->__time = $time;
+		return preg_replace_callback('/\%(\w+)/', array($this, '__translateSpecifier'), $format);
+	}
+
+/**
+ * Auxiliary function to translate a matched specifier element from a regular expresion into
+ * a windows safe and i18n aware specifier
+ *
+ * @param array $specifier match from regular expression
+ * @return string converted element
+ * @access private
+ */
+	function __translateSpecifier($specifier) {
+		switch ($specifier[1]) {
+			case 'a':
+				$abday = __c('abday', 5, true);
+				if (is_array($abday)) {
+					return $abday[date('w', $this->__time)];
+				}
+				break;
+			case 'A':
+				$day = __c('day',5,true);
+				if (is_array($day)) {
+					return $day[date('w', $this->__time)];
+				}
+				break;
+			case 'c':
+				$format = __c('d_t_fmt',5,true);
+				if ($format != 'd_t_fmt') {
+					return $this->convertSpecifiers($format, $this->__time);
+				}
+				break;
+			case 'C':
+				return sprintf("%02d", date('Y', $this->__time) / 100);
+			case 'D':
+				return '%m/%d/%y';
+			case 'e':
+				if (DS === '/') {
+					return '%e';
+				}
+				$day = date('j', $this->__time);
+				if ($day < 10) {
+					$day = ' ' . $day;
+				}
+				return $day;
+			case 'eS' :
+				return date('jS', $this->__time);
+			case 'b':
+			case 'h':
+				$months = __c('abmon', 5, true);
+				if (is_array($months)) {
+					return $months[date('n', $this->__time) -1];
+				}
+				return '%b';
+			case 'B':
+				$months = __c('mon',5,true);
+				if (is_array($months)) {
+					return $months[date('n', $this->__time) -1];
+				}
+				break;
+			case 'n':
+				return "\n";
+			case 'p':
+			case 'P':
+				$default = array('am' => 0, 'pm' => 1);
+				$meridiem = $default[date('a',$this->__time)];
+				$format = __c('am_pm', 5, true);
+				if (is_array($format)) {
+					$meridiem = $format[$meridiem];
+					return ($specifier[1] == 'P') ? strtolower($meridiem) : strtoupper($meridiem);
+				}
+				break;
+			case 'r':
+				$complete = __c('t_fmt_ampm', 5, true);
+				if ($complete != 't_fmt_ampm') {
+					return str_replace('%p',$this->__translateSpecifier(array('%p', 'p')),$complete);
+				}
+				break;
+			case 'R':
+				return date('H:i', $this->__time);
+			case 't':
+				return "\t";
+			case 'T':
+				return '%H:%M:%S';
+			case 'u':
+				return ($weekDay = date('w', $this->__time)) ? $weekDay : 7;
+			case 'x':
+				$format = __c('d_fmt', 5, true);
+				if ($format != 'd_fmt') {
+					return $this->convertSpecifiers($format, $this->__time);
+				}
+				break;
+			case 'X':
+				$format = __c('t_fmt',5,true);
+				if ($format != 't_fmt') {
+					return $this->convertSpecifiers($format, $this->__time);
+				}
+				break;
+		}
+		return $specifier[0];
+	}
+
+/**
+ * Converts given time (in server's time zone) to user's local time, given his/her offset from GMT.
+ *
+ * @param string $serverTime UNIX timestamp
+ * @param int $userOffset User's offset from GMT (in hours)
+ * @return string UNIX timestamp
+ * @access public
+ */
+	function convert($serverTime, $userOffset) {
+		$serverOffset = $this->serverOffset();
+		$gmtTime = $serverTime - $serverOffset;
+		$userTime = $gmtTime + $userOffset * (60*60);
+		return $userTime;
+	}
+
+/**
+ * Returns server's offset from GMT in seconds.
+ *
+ * @return int Offset
+ * @access public
+ */
+	function serverOffset() {
+		return date('Z', time());
+	}
+
+/**
+ * Returns a UNIX timestamp, given either a UNIX timestamp or a valid strtotime() date string.
+ *
+ * @param string $dateString Datetime string
+ * @param int $userOffset User's offset from GMT (in hours)
+ * @return string Parsed timestamp
+ * @access public
+ * @link http://book.cakephp.org/view/1471/Formatting
+ */
+	function fromString($dateString, $userOffset = null) {
+		if (empty($dateString)) {
+			return false;
+		}
+		if (is_integer($dateString) || is_numeric($dateString)) {
+			$date = intval($dateString);
+		} else {
+			$date = strtotime($dateString);
+		}
+		if ($userOffset !== null) {
+			return $this->convert($date, $userOffset);
+		}
+		if ($date === -1) {
+			return false;
+		}
+		return $date;
+	}
+
+/**
+ * Returns a nicely formatted date string for given Datetime string.
+ *
+ * @param string $dateString Datetime string or Unix timestamp
+ * @param int $userOffset User's offset from GMT (in hours)
+ * @return string Formatted date string
+ * @access public
+ * @link http://book.cakephp.org/view/1471/Formatting
+ */
+	function nice($dateString = null, $userOffset = null) {
+		if ($dateString != null) {
+			$date = $this->fromString($dateString, $userOffset);
+		} else {
+			$date = time();
+		}
+		$format = $this->convertSpecifiers('%a, %b %eS %Y, %H:%M', $date);
+		return strftime($format, $date);
+	}
+
+/**
+ * Returns a formatted descriptive date string for given datetime string.
+ *
+ * If the given date is today, the returned string could be "Today, 16:54".
+ * If the given date was yesterday, the returned string could be "Yesterday, 16:54".
+ * If $dateString's year is the current year, the returned string does not
+ * include mention of the year.
+ *
+ * @param string $dateString Datetime string or Unix timestamp
+ * @param int $userOffset User's offset from GMT (in hours)
+ * @return string Described, relative date string
+ * @access public
+ * @link http://book.cakephp.org/view/1471/Formatting
+ */
+	function niceShort($dateString = null, $userOffset = null) {
+		$date = $dateString ? $this->fromString($dateString, $userOffset) : time();
+
+		$y = $this->isThisYear($date) ? '' : ' %Y';
+
+		if ($this->isToday($dateString, $userOffset)) {
+			$ret = sprintf(__('Today, %s',true), strftime("%H:%M", $date));
+		} elseif ($this->wasYesterday($dateString, $userOffset)) {
+			$ret = sprintf(__('Yesterday, %s',true), strftime("%H:%M", $date));
+		} else {
+			$format = $this->convertSpecifiers("%b %eS{$y}, %H:%M", $date);
+			$ret = strftime($format, $date);
+		}
+
+		return $ret;
+	}
+
+/**
+ * Returns a partial SQL string to search for all records between two dates.
+ *
+ * @param string $dateString Datetime string or Unix timestamp
+ * @param string $end Datetime string or Unix timestamp
+ * @param string $fieldName Name of database field to compare with
+ * @param int $userOffset User's offset from GMT (in hours)
+ * @return string Partial SQL string.
+ * @access public
+ * @link http://book.cakephp.org/view/1471/Formatting
+ */
+	function daysAsSql($begin, $end, $fieldName, $userOffset = null) {
+		$begin = $this->fromString($begin, $userOffset);
+		$end = $this->fromString($end, $userOffset);
+		$begin = date('Y-m-d', $begin) . ' 00:00:00';
+		$end = date('Y-m-d', $end) . ' 23:59:59';
+
+		return "($fieldName >= '$begin') AND ($fieldName <= '$end')";
+	}
+
+/**
+ * Returns a partial SQL string to search for all records between two times
+ * occurring on the same day.
+ *
+ * @param string $dateString Datetime string or Unix timestamp
+ * @param string $fieldName Name of database field to compare with
+ * @param int $userOffset User's offset from GMT (in hours)
+ * @return string Partial SQL string.
+ * @access public
+ * @link http://book.cakephp.org/view/1471/Formatting
+ */
+	function dayAsSql($dateString, $fieldName, $userOffset = null) {
+		$date = $this->fromString($dateString, $userOffset);
+		return $this->daysAsSql($dateString, $dateString, $fieldName);
+	}
+
+/**
+ * Returns true if given datetime string is today.
+ *
+ * @param string $dateString Datetime string or Unix timestamp
+ * @param int $userOffset User's offset from GMT (in hours)
+ * @return boolean True if datetime string is today
+ * @access public
+ */
+	function isToday($dateString, $userOffset = null) {
+		$date = $this->fromString($dateString, $userOffset);
+		return date('Y-m-d', $date) == date('Y-m-d', time());
+	}
+
+/**
+ * Returns true if given datetime string is within this week
+ * @param string $dateString
+ * @param int $userOffset User's offset from GMT (in hours)
+ * @return boolean True if datetime string is within current week
+ * @access public
+ * @link http://book.cakephp.org/view/1472/Testing-Time
+ */
+	function isThisWeek($dateString, $userOffset = null) {
+		$date = $this->fromString($dateString, $userOffset);
+		return date('W Y', $date) == date('W Y', time());
+	}
+
+/**
+ * Returns true if given datetime string is within this month
+ * @param string $dateString
+ * @param int $userOffset User's offset from GMT (in hours)
+ * @return boolean True if datetime string is within current month
+ * @access public
+ * @link http://book.cakephp.org/view/1472/Testing-Time
+ */
+	function isThisMonth($dateString, $userOffset = null) {
+		$date = $this->fromString($dateString);
+		return date('m Y',$date) == date('m Y', time());
+	}
+
+/**
+ * Returns true if given datetime string is within current year.
+ *
+ * @param string $dateString Datetime string or Unix timestamp
+ * @return boolean True if datetime string is within current year
+ * @access public
+ * @link http://book.cakephp.org/view/1472/Testing-Time
+ */
+	function isThisYear($dateString, $userOffset = null) {
+		$date = $this->fromString($dateString, $userOffset);
+		return  date('Y', $date) == date('Y', time());
+	}
+
+/**
+ * Returns true if given datetime string was yesterday.
+ *
+ * @param string $dateString Datetime string or Unix timestamp
+ * @param int $userOffset User's offset from GMT (in hours)
+ * @return boolean True if datetime string was yesterday
+ * @access public
+ * @link http://book.cakephp.org/view/1472/Testing-Time
+ *
+ */
+	function wasYesterday($dateString, $userOffset = null) {
+		$date = $this->fromString($dateString, $userOffset);
+		return date('Y-m-d', $date) == date('Y-m-d', strtotime('yesterday'));
+	}
+
+/**
+ * Returns true if given datetime string is tomorrow.
+ *
+ * @param string $dateString Datetime string or Unix timestamp
+ * @param int $userOffset User's offset from GMT (in hours)
+ * @return boolean True if datetime string was yesterday
+ * @access public
+ * @link http://book.cakephp.org/view/1472/Testing-Time
+ */
+	function isTomorrow($dateString, $userOffset = null) {
+		$date = $this->fromString($dateString, $userOffset);
+		return date('Y-m-d', $date) == date('Y-m-d', strtotime('tomorrow'));
+	}
+
+/**
+ * Returns the quarter
+ *
+ * @param string $dateString
+ * @param boolean $range if true returns a range in Y-m-d format
+ * @return boolean True if datetime string is within current week
+ * @access public
+ * @link http://book.cakephp.org/view/1471/Formatting
+ */
+	function toQuarter($dateString, $range = false) {
+		$time = $this->fromString($dateString);
+		$date = ceil(date('m', $time) / 3);
+
+		if ($range === true) {
+			$range = 'Y-m-d';
+		}
+
+		if ($range !== false) {
+			$year = date('Y', $time);
+
+			switch ($date) {
+				case 1:
+					$date = array($year.'-01-01', $year.'-03-31');
+					break;
+				case 2:
+					$date = array($year.'-04-01', $year.'-06-30');
+					break;
+				case 3:
+					$date = array($year.'-07-01', $year.'-09-30');
+					break;
+				case 4:
+					$date = array($year.'-10-01', $year.'-12-31');
+					break;
+			}
+		}
+		return $date;
+	}
+
+/**
+ * Returns a UNIX timestamp from a textual datetime description. Wrapper for PHP function strtotime().
+ *
+ * @param string $dateString Datetime string to be represented as a Unix timestamp
+ * @param int $userOffset User's offset from GMT (in hours)
+ * @return integer Unix timestamp
+ * @access public
+ * @link http://book.cakephp.org/view/1471/Formatting
+ */
+	function toUnix($dateString, $userOffset = null) {
+		return $this->fromString($dateString, $userOffset);
+	}
+
+/**
+ * Returns a date formatted for Atom RSS feeds.
+ *
+ * @param string $dateString Datetime string or Unix timestamp
+ * @param int $userOffset User's offset from GMT (in hours)
+ * @return string Formatted date string
+ * @access public
+ * @link http://book.cakephp.org/view/1471/Formatting
+ */
+	function toAtom($dateString, $userOffset = null) {
+		$date = $this->fromString($dateString, $userOffset);
+		return date('Y-m-d\TH:i:s\Z', $date);
+	}
+
+/**
+ * Formats date for RSS feeds
+ *
+ * @param string $dateString Datetime string or Unix timestamp
+ * @param int $userOffset User's offset from GMT (in hours)
+ * @return string Formatted date string
+ * @access public
+ * @link http://book.cakephp.org/view/1471/Formatting
+ */
+	function toRSS($dateString, $userOffset = null) {
+		$date = $this->fromString($dateString, $userOffset);
+		return date("r", $date);
+	}
+
+/**
+ * Returns either a relative date or a formatted date depending
+ * on the difference between the current time and given datetime.
+ * $datetime should be in a <i>strtotime</i> - parsable format, like MySQL's datetime datatype.
+ *
+ * ### Options:
+ *
+ * - `format` => a fall back format if the relative time is longer than the duration specified by end
+ * - `end` => The end of relative time telling
+ * - `userOffset` => Users offset from GMT (in hours)
+ *
+ * Relative dates look something like this:
+ *	3 weeks, 4 days ago
+ *	15 seconds ago
+ *
+ * Default date formatting is d/m/yy e.g: on 18/2/09
+ *
+ * The returned string includes 'ago' or 'on' and assumes you'll properly add a word
+ * like 'Posted ' before the function output.
+ *
+ * @param string $dateString Datetime string or Unix timestamp
+ * @param array $options Default format if timestamp is used in $dateString
+ * @return string Relative time string.
+ * @access public
+ * @link http://book.cakephp.org/view/1471/Formatting
+ */
+	function timeAgoInWords($dateTime, $options = array()) {
+		$userOffset = null;
+		if (is_array($options) && isset($options['userOffset'])) {
+			$userOffset = $options['userOffset'];
+		}
+		$now = time();
+		if (!is_null($userOffset)) {
+			$now = $this->convert(time(), $userOffset);
+		}
+		$inSeconds = $this->fromString($dateTime, $userOffset);
+		$backwards = ($inSeconds > $now);
+
+		$format = 'j/n/y';
+		$end = '+1 month';
+
+		if (is_array($options)) {
+			if (isset($options['format'])) {
+				$format = $options['format'];
+				unset($options['format']);
+			}
+			if (isset($options['end'])) {
+				$end = $options['end'];
+				unset($options['end']);
+			}
+		} else {
+			$format = $options;
+		}
+
+		if ($backwards) {
+			$futureTime = $inSeconds;
+			$pastTime = $now;
+		} else {
+			$futureTime = $now;
+			$pastTime = $inSeconds;
+		}
+		$diff = $futureTime - $pastTime;
+
+		// If more than a week, then take into account the length of months
+		if ($diff >= 604800) {
+			$current = array();
+			$date = array();
+
+			list($future['H'], $future['i'], $future['s'], $future['d'], $future['m'], $future['Y']) = explode('/', date('H/i/s/d/m/Y', $futureTime));
+
+			list($past['H'], $past['i'], $past['s'], $past['d'], $past['m'], $past['Y']) = explode('/', date('H/i/s/d/m/Y', $pastTime));
+			$years = $months = $weeks = $days = $hours = $minutes = $seconds = 0;
+
+			if ($future['Y'] == $past['Y'] && $future['m'] == $past['m']) {
+				$months = 0;
+				$years = 0;
+			} else {
+				if ($future['Y'] == $past['Y']) {
+					$months = $future['m'] - $past['m'];
+				} else {
+					$years = $future['Y'] - $past['Y'];
+					$months = $future['m'] + ((12 * $years) - $past['m']);
+
+					if ($months >= 12) {
+						$years = floor($months / 12);
+						$months = $months - ($years * 12);
+					}
+
+					if ($future['m'] < $past['m'] && $future['Y'] - $past['Y'] == 1) {
+						$years --;
+					}
+				}
+			}
+
+			if ($future['d'] >= $past['d']) {
+				$days = $future['d'] - $past['d'];
+			} else {
+				$daysInPastMonth = date('t', $pastTime);
+				$daysInFutureMonth = date('t', mktime(0, 0, 0, $future['m'] - 1, 1, $future['Y']));
+
+				if (!$backwards) {
+					$days = ($daysInPastMonth - $past['d']) + $future['d'];
+				} else {
+					$days = ($daysInFutureMonth - $past['d']) + $future['d'];
+				}
+
+				if ($future['m'] != $past['m']) {
+					$months --;
+				}
+			}
+
+			if ($months == 0 && $years >= 1 && $diff < ($years * 31536000)) {
+				$months = 11;
+				$years --;
+			}
+
+			if ($months >= 12) {
+				$years = $years + 1;
+				$months = $months - 12;
+			}
+
+			if ($days >= 7) {
+				$weeks = floor($days / 7);
+				$days = $days - ($weeks * 7);
+			}
+		} else {
+			$years = $months = $weeks = 0;
+			$days = floor($diff / 86400);
+
+			$diff = $diff - ($days * 86400);
+
+			$hours = floor($diff / 3600);
+			$diff = $diff - ($hours * 3600);
+
+			$minutes = floor($diff / 60);
+			$diff = $diff - ($minutes * 60);
+			$seconds = $diff;
+		}
+		$relativeDate = '';
+		$diff = $futureTime - $pastTime;
+
+		if ($diff > abs($now - $this->fromString($end))) {
+			$relativeDate = sprintf(__('on %s',true), date($format, $inSeconds));
+		} else {
+			if ($years > 0) {
+				// years and months and days
+				$relativeDate .= ($relativeDate ? ', ' : '') . sprintf(__n('%d year', '%d years', $years, true), $years);
+				$relativeDate .= $months > 0 ? ($relativeDate ? ', ' : '') . sprintf(__n('%d month', '%d months', $months, true), $months) : '';
+				$relativeDate .= $weeks > 0 ? ($relativeDate ? ', ' : '') . sprintf(__n('%d week', '%d weeks', $weeks, true), $weeks) : '';
+				$relativeDate .= $days > 0 ? ($relativeDate ? ', ' : '') . sprintf(__n('%d day', '%d days', $days, true), $days) : '';
+			} elseif (abs($months) > 0) {
+				// months, weeks and days
+				$relativeDate .= ($relativeDate ? ', ' : '') . sprintf(__n('%d month', '%d months', $months, true), $months);
+				$relativeDate .= $weeks > 0 ? ($relativeDate ? ', ' : '') . sprintf(__n('%d week', '%d weeks', $weeks, true), $weeks) : '';
+				$relativeDate .= $days > 0 ? ($relativeDate ? ', ' : '') . sprintf(__n('%d day', '%d days', $days, true), $days) : '';
+			} elseif (abs($weeks) > 0) {
+				// weeks and days
+				$relativeDate .= ($relativeDate ? ', ' : '') . sprintf(__n('%d week', '%d weeks', $weeks, true), $weeks);
+				$relativeDate .= $days > 0 ? ($relativeDate ? ', ' : '') . sprintf(__n('%d day', '%d days', $days, true), $days) : '';
+			} elseif (abs($days) > 0) {
+				// days and hours
+				$relativeDate .= ($relativeDate ? ', ' : '') . sprintf(__n('%d day', '%d days', $days, true), $days);
+				$relativeDate .= $hours > 0 ? ($relativeDate ? ', ' : '') . sprintf(__n('%d hour', '%d hours', $hours, true), $hours) : '';
+			} elseif (abs($hours) > 0) {
+				// hours and minutes
+				$relativeDate .= ($relativeDate ? ', ' : '') . sprintf(__n('%d hour', '%d hours', $hours, true), $hours);
+				$relativeDate .= $minutes > 0 ? ($relativeDate ? ', ' : '') . sprintf(__n('%d minute', '%d minutes', $minutes, true), $minutes) : '';
+			} elseif (abs($minutes) > 0) {
+				// minutes only
+				$relativeDate .= ($relativeDate ? ', ' : '') . sprintf(__n('%d minute', '%d minutes', $minutes, true), $minutes);
+			} else {
+				// seconds only
+				$relativeDate .= ($relativeDate ? ', ' : '') . sprintf(__n('%d second', '%d seconds', $seconds, true), $seconds);
+			}
+
+			if (!$backwards) {
+				$relativeDate = sprintf(__('%s ago', true), $relativeDate);
+			}
+		}
+		return $relativeDate;
+	}
+
+/**
+ * Alias for timeAgoInWords
+ *
+ * @param mixed $dateTime Datetime string (strtotime-compatible) or Unix timestamp
+ * @param mixed $options Default format string, if timestamp is used in $dateTime, or an array of options to be passed
+ *   on to timeAgoInWords().
+ * @return string Relative time string.
+ * @see TimeHelper::timeAgoInWords
+ * @access public
+ * @deprecated This method alias will be removed in future versions.
+ * @link http://book.cakephp.org/view/1471/Formatting
+ */
+	function relativeTime($dateTime, $options = array()) {
+		return $this->timeAgoInWords($dateTime, $options);
+	}
+
+/**
+ * Returns true if specified datetime was within the interval specified, else false.
+ *
+ * @param mixed $timeInterval the numeric value with space then time type.
+ *    Example of valid types: 6 hours, 2 days, 1 minute.
+ * @param mixed $dateString the datestring or unix timestamp to compare
+ * @param int $userOffset User's offset from GMT (in hours)
+ * @return bool
+ * @access public
+ * @link http://book.cakephp.org/view/1472/Testing-Time
+ */
+	function wasWithinLast($timeInterval, $dateString, $userOffset = null) {
+		$tmp = str_replace(' ', '', $timeInterval);
+		if (is_numeric($tmp)) {
+			$timeInterval = $tmp . ' ' . __('days', true);
+		}
+
+		$date = $this->fromString($dateString, $userOffset);
+		$interval = $this->fromString('-'.$timeInterval);
+
+		if ($date >= $interval && $date <= time()) {
+			return true;
+		}
+
+		return false;
+	}
+
+/**
+ * Returns gmt, given either a UNIX timestamp or a valid strtotime() date string.
+ *
+ * @param string $dateString Datetime string
+ * @return string Formatted date string
+ * @access public
+ * @link http://book.cakephp.org/view/1471/Formatting
+ */
+	function gmt($string = null) {
+		if ($string != null) {
+			$string = $this->fromString($string);
+		} else {
+			$string = time();
+		}
+		$string = $this->fromString($string);
+		$hour = intval(date("G", $string));
+		$minute = intval(date("i", $string));
+		$second = intval(date("s", $string));
+		$month = intval(date("n", $string));
+		$day = intval(date("j", $string));
+		$year = intval(date("Y", $string));
+
+		return gmmktime($hour, $minute, $second, $month, $day, $year);
+	}
+
+/**
+ * Returns a formatted date string, given either a UNIX timestamp or a valid strtotime() date string.
+ * This function also accepts a time string and a format string as first and second parameters.
+ * In that case this function behaves as a wrapper for TimeHelper::i18nFormat()
+ *
+ * @param string $format date format string (or a DateTime string)
+ * @param string $dateString Datetime string (or a date format string)
+ * @param boolean $invalid flag to ignore results of fromString == false
+ * @param int $userOffset User's offset from GMT (in hours)
+ * @return string Formatted date string
+ * @access public
+ */
+	function format($format, $date = null, $invalid = false, $userOffset = null) {
+		$time = $this->fromString($date, $userOffset);
+		$_time = $this->fromString($format, $userOffset);
+
+		if (is_numeric($_time) && $time === false) {
+			$format = $date;
+			return $this->i18nFormat($_time, $format, $invalid, $userOffset);
+		}
+		if ($time === false && $invalid !== false) {
+			return $invalid;
+		}
+		return date($format, $time);
+	}
+
+/**
+ * Returns a formatted date string, given either a UNIX timestamp or a valid strtotime() date string.
+ * It take in account the default date format for the current language if a LC_TIME file is used.
+ *
+ * @param string $dateString Datetime string
+ * @param string $format strftime format string.
+ * @param boolean $invalid flag to ignore results of fromString == false
+ * @param int $userOffset User's offset from GMT (in hours)
+ * @return string Formatted and translated date string @access public
+ * @access public
+ */
+	function i18nFormat($date, $format = null, $invalid = false, $userOffset = null) {
+		$date = $this->fromString($date, $userOffset);
+		if ($date === false && $invalid !== false) {
+			return $invalid;
+		}
+		if (empty($format)) {
+			$format = '%x';
+		}
+		$format = $this->convertSpecifiers($format, $date);
+		return strftime($format, $date);
+	}
+}