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Date.php
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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to [email protected] so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Date
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Date.php 14629 2009-04-03 21:37:27Z thomas $
*/
/**
* Include needed Date classes
*/
require_once 'Zend/Date/DateObject.php';
require_once 'Zend/Locale.php';
require_once 'Zend/Locale/Format.php';
require_once 'Zend/Locale/Math.php';
/**
* @category Zend
* @package Zend_Date
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Date extends Zend_Date_DateObject
{
private $_locale = null;
// Fractional second variables
private $_fractional = 0;
private $_precision = 3;
private static $_options = array(
'format_type' => 'iso', // format for date strings 'iso' or 'php'
'fix_dst' => true, // fix dst on summer/winter time change
'extend_month' => false, // false - addMonth like SQL, true like excel
'cache' => null, // cache to set
'timesync' => null // timesync server to set
);
// Class wide Date Constants
const DAY = 'dd';
const DAY_SHORT = 'd';
const DAY_SUFFIX = 'SS';
const DAY_OF_YEAR = 'D';
const WEEKDAY = 'EEEE';
const WEEKDAY_SHORT = 'EEE';
const WEEKDAY_NARROW = 'E';
const WEEKDAY_NAME = 'EE';
const WEEKDAY_8601 = 'eee';
const WEEKDAY_DIGIT = 'e';
const WEEK = 'ww';
const MONTH = 'MM';
const MONTH_SHORT = 'M';
const MONTH_DAYS = 'ddd';
const MONTH_NAME = 'MMMM';
const MONTH_NAME_SHORT = 'MMM';
const MONTH_NAME_NARROW = 'MMMMM';
const YEAR = 'y';
const YEAR_SHORT = 'yy';
const YEAR_8601 = 'Y';
const YEAR_SHORT_8601 = 'YY';
const LEAPYEAR = 'l';
const MERIDIEM = 'a';
const SWATCH = 'B';
const HOUR = 'HH';
const HOUR_SHORT = 'H';
const HOUR_AM = 'hh';
const HOUR_SHORT_AM = 'h';
const MINUTE = 'mm';
const MINUTE_SHORT = 'm';
const SECOND = 'ss';
const SECOND_SHORT = 's';
const MILLISECOND = 'S';
const TIMEZONE_NAME = 'zzzz';
const DAYLIGHT = 'I';
const GMT_DIFF = 'Z';
const GMT_DIFF_SEP = 'ZZZZ';
const TIMEZONE = 'z';
const TIMEZONE_SECS = 'X';
const ISO_8601 = 'c';
const RFC_2822 = 'r';
const TIMESTAMP = 'U';
const ERA = 'G';
const ERA_NAME = 'GGGG';
const ERA_NARROW = 'GGGGG';
const DATES = 'F';
const DATE_FULL = 'FFFFF';
const DATE_LONG = 'FFFF';
const DATE_MEDIUM = 'FFF';
const DATE_SHORT = 'FF';
const TIMES = 'WW';
const TIME_FULL = 'TTTTT';
const TIME_LONG = 'TTTT';
const TIME_MEDIUM = 'TTT';
const TIME_SHORT = 'TT';
const ATOM = 'OOO';
const COOKIE = 'CCC';
const RFC_822 = 'R';
const RFC_850 = 'RR';
const RFC_1036 = 'RRR';
const RFC_1123 = 'RRRR';
const RFC_3339 = 'RRRRR';
const RSS = 'SSS';
const W3C = 'WWW';
/**
* Generates the standard date object, could be a unix timestamp, localized date,
* string, integer, array and so on. Also parts of dates or time are supported
* Always set the default timezone: http://php.net/date_default_timezone_set
* For example, in your bootstrap: date_default_timezone_set('America/Los_Angeles');
* For detailed instructions please look in the docu.
*
* @param string|integer|Zend_Date|array $date OPTIONAL Date value or value of date part to set
* ,depending on $part. If null the actual time is set
* @param string $part OPTIONAL Defines the input format of $date
* @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
* @return Zend_Date
* @throws Zend_Date_Exception
*/
public function __construct($date = null, $part = null, $locale = null)
{
if (($date !== null) and !($date instanceof Zend_TimeSync_Protocol) and (Zend_Locale::isLocale($date, true, false))) {
$locale = $date;
$date = null;
$part = null;
} else if (($part !== null) and (Zend_Locale::isLocale($part, null, false))) {
$locale = $part;
$part = null;
}
$this->setLocale($locale);
if (is_string($date) && ($part === null) && (strlen($date) <= 5)) {
$part = $date;
$date = null;
}
if ($date === null) {
if ($part === null) {
$date = time();
} else if ($part !== self::TIMESTAMP) {
$date = self::now($locale);
$date = $date->get($part);
}
}
if ($date instanceof Zend_TimeSync_Protocol) {
$date = $date->getInfo();
$date = $this->_getTime($date['offset']);
$part = null;
} else if (parent::$_defaultOffset != 0) {
$date = $this->_getTime(parent::$_defaultOffset);
}
// set the timezone and offset for $this
$zone = @date_default_timezone_get();
$this->setTimezone($zone);
// try to get timezone from date-string
if (!is_int($date)) {
$zone = $this->getTimezoneFromString($date);
$this->setTimezone($zone);
}
// set datepart
if (($part !== null && $part !== self::TIMESTAMP) or (!is_numeric($date))) {
// switch off dst handling for value setting
$this->setUnixTimestamp($this->getGmtOffset());
$this->set($date, $part, $this->_locale);
// DST fix
if ((is_array($date) === true) and (isset($date['hour']) === true)) {
$hour = $this->toString('H');
$hour = $date['hour'] - $hour;
switch ($hour) {
case 1 :
case -23 :
$this->addTimestamp(3600);
break;
case -1 :
case 23 :
$this->subTimestamp(3600);
break;
case 2 :
case -22 :
$this->addTimestamp(7200);
break;
case -2 :
case 22 :
$this->subTimestamp(7200);
break;
}
}
} else {
$this->setUnixTimestamp($date);
}
}
/**
* Sets class wide options, if no option was given, the actual set options will be returned
*
* @param array $options Options to set
* @throws Zend_Date_Exception
* @return Options array if no option was given
*/
public static function setOptions(array $options = array())
{
if (empty($options)) {
return self::$_options;
}
foreach ($options as $name => $value) {
$name = strtolower($name);
if (array_key_exists($name, self::$_options)) {
switch($name) {
case 'format_type' :
if ((strtolower($value) != 'php') && (strtolower($value) != 'iso')) {
require_once 'Zend/Date/Exception.php';
throw new Zend_Date_Exception("Unknown format type ($value) for dates, only 'iso' and 'php' supported", $value);
}
break;
case 'fix_dst' :
if (!is_bool($value)) {
require_once 'Zend/Date/Exception.php';
throw new Zend_Date_Exception("'fix_dst' has to be boolean", $value);
}
break;
case 'extend_month' :
if (!is_bool($value)) {
require_once 'Zend/Date/Exception.php';
throw new Zend_Date_Exception("'extend_month' has to be boolean", $value);
}
break;
case 'cache' :
if (!$value instanceof Zend_Cache_Core) {
require_once 'Zend/Date/Exception.php';
throw new Zend_Date_Exception("Instance of Zend_Cache expected");
}
parent::$_cache = $value;
Zend_Locale_Data::setCache($value);
break;
case 'timesync' :
if (!$value instanceof Zend_TimeSync_Protocol) {
require_once 'Zend/Date/Exception.php';
throw new Zend_Date_Exception("Instance of Zend_TimeSync expected");
}
$date = $value->getInfo();
parent::$_defaultOffset = $date['offset'];
break;
}
self::$_options[$name] = $value;
}
else {
require_once 'Zend/Date/Exception.php';
throw new Zend_Date_Exception("Unknown option: $name = $value");
}
}
}
/**
* Returns this object's internal UNIX timestamp (equivalent to Zend_Date::TIMESTAMP).
* If the timestamp is too large for integers, then the return value will be a string.
* This function does not return the timestamp as an object.
* Use clone() or copyPart() instead.
*
* @return integer|string UNIX timestamp
*/
public function getTimestamp()
{
return $this->getUnixTimestamp();
}
/**
* Returns the calculated timestamp
* HINT: timestamps are always GMT
*
* @param string $calc Type of calculation to make
* @param string|integer|array|Zend_Date $stamp Timestamp to calculate, when null the actual timestamp is calculated
* @return Zend_Date|integer
* @throws Zend_Date_Exception
*/
private function _timestamp($calc, $stamp)
{
if ($stamp instanceof Zend_Date) {
// extract timestamp from object
$stamp = $stamp->get(self::TIMESTAMP, true);
}
if (is_array($stamp)) {
if (isset($stamp['timestamp']) === true) {
$stamp = $stamp['timestamp'];
} else {
require_once 'Zend/Date/Exception.php';
throw new Zend_Date_Exception('no timestamp given in array');
}
}
if ($calc === 'set') {
$return = $this->setUnixTimestamp($stamp);
} else {
$return = $this->_calcdetail($calc, $stamp, self::TIMESTAMP, null);
}
if ($calc != 'cmp') {
return $this;
}
return $return;
}
/**
* Sets a new timestamp
*
* @param integer|string|array|Zend_Date $timestamp Timestamp to set
* @return Zend_Date
* @throws Zend_Date_Exception
*/
public function setTimestamp($timestamp)
{
return $this->_timestamp('set', $timestamp);
}
/**
* Adds a timestamp
*
* @param integer|string|array|Zend_Date $timestamp Timestamp to add
* @return Zend_Date
* @throws Zend_Date_Exception
*/
public function addTimestamp($timestamp)
{
return $this->_timestamp('add', $timestamp);
}
/**
* Subtracts a timestamp
*
* @param integer|string|array|Zend_Date $timestamp Timestamp to sub
* @return Zend_Date
* @throws Zend_Date_Exception
*/
public function subTimestamp($timestamp)
{
return $this->_timestamp('sub', $timestamp);
}
/**
* Compares two timestamps, returning the difference as integer
*
* @param integer|string|array|Zend_Date $timestamp Timestamp to compare
* @return integer 0 = equal, 1 = later, -1 = earlier
* @throws Zend_Date_Exception
*/
public function compareTimestamp($timestamp)
{
return $this->_timestamp('cmp', $timestamp);
}
/**
* Returns a string representation of the object
* Supported format tokens are:
* G - era, y - year, Y - ISO year, M - month, w - week of year, D - day of year, d - day of month
* E - day of week, e - number of weekday (1-7), h - hour 1-12, H - hour 0-23, m - minute, s - second
* A - milliseconds of day, z - timezone, Z - timezone offset, S - fractional second, a - period of day
*
* Additionally format tokens but non ISO conform are:
* SS - day suffix, eee - php number of weekday(0-6), ddd - number of days per month
* l - Leap year, B - swatch internet time, I - daylight saving time, X - timezone offset in seconds
* r - RFC2822 format, U - unix timestamp
*
* Not supported ISO tokens are
* u - extended year, Q - quarter, q - quarter, L - stand alone month, W - week of month
* F - day of week of month, g - modified julian, c - stand alone weekday, k - hour 0-11, K - hour 1-24
* v - wall zone
*
* @param string $format OPTIONAL Rule for formatting output. If null the default date format is used
* @param string $type OPTIONAL Type for the format string which overrides the standard setting
* @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
* @return string
*/
public function toString($format = null, $type = null, $locale = null)
{
if ((strlen($format) != 2) and ($format !== null) and (Zend_Locale::isLocale($format, null, false))) {
$locale = $format;
$format = null;
}
if (($type !== null) and (Zend_Locale::isLocale($type, null, false))) {
$locale = $type;
$type = null;
}
if ($locale === null) {
$locale = $this->getLocale();
}
if ($format === null) {
$format = Zend_Locale_Format::getDateFormat($locale) . ' ' . Zend_Locale_Format::getTimeFormat($locale);
} else if (((self::$_options['format_type'] == 'php') && ($type === null)) or ($type == 'php')) {
$format = Zend_Locale_Format::convertPhpToIsoFormat($format);
}
return $this->get($format, $locale);
}
/**
* Returns a string representation of the date which is equal with the timestamp
*
* @return string
*/
public function __toString()
{
return $this->toString(null, $this->_locale);
}
/**
* Returns a integer representation of the object
* But returns false when the given part is no value f.e. Month-Name
*
* @param string|integer|Zend_Date $part OPTIONAL Defines the date or datepart to return as integer
* @return integer|false
*/
public function toValue($part = null)
{
$result = $this->get($part);
if (is_numeric($result)) {
return intval("$result");
} else {
return false;
}
}
/**
* Returns an array representation of the object
*
* @return array
*/
public function toArray()
{
return array('day' => $this->get(self::DAY_SHORT),
'month' => $this->get(self::MONTH_SHORT),
'year' => $this->get(self::YEAR),
'hour' => $this->get(self::HOUR_SHORT),
'minute' => $this->get(self::MINUTE_SHORT),
'second' => $this->get(self::SECOND_SHORT),
'timezone' => $this->get(self::TIMEZONE),
'timestamp' => $this->get(self::TIMESTAMP),
'weekday' => $this->get(self::WEEKDAY_8601),
'dayofyear' => $this->get(self::DAY_OF_YEAR),
'week' => $this->get(self::WEEK),
'gmtsecs' => $this->get(self::TIMEZONE_SECS));
}
/**
* Returns a representation of a date or datepart
* This could be for example a localized monthname, the time without date,
* the era or only the fractional seconds. There are about 50 different supported date parts.
* For a complete list of supported datepart values look into the docu
*
* @param string $part OPTIONAL Part of the date to return, if null the timestamp is returned
* @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
* @return string date or datepart
*/
public function get($part = null, $locale = null)
{
if ($locale === null) {
$locale = $this->getLocale();
}
if (($part !== null) && (strlen($part) !== 2) && (Zend_Locale::isLocale($part, null, false))) {
$locale = $part;
$part = null;
}
if ($part === null) {
$part = self::TIMESTAMP;
}
return $this->date($this->_toToken($part, $locale), $this->getUnixTimestamp(), false);
}
private function _toToken($part, $locale) {
// get format tokens
$comment = false;
$format = '';
$orig = '';
for ($i = 0; $i < strlen($part); ++$i) {
if ($part[$i] == "'") {
$comment = $comment ? false : true;
if (isset($part[$i+1]) && ($part[$i+1] == "'")) {
$comment = $comment ? false : true;
$format .= "\\'";
++$i;
}
$orig = '';
continue;
}
if ($comment) {
$format .= '\\' . $part[$i];
$orig = '';
} else {
$orig .= $part[$i];
if (!isset($part[$i+1]) || (isset($orig[0]) && ($orig[0] != $part[$i+1]))) {
$format .= $this->_parseIsoToDate($orig, $locale);
$orig = '';
}
}
}
return $format;
}
/**
* Internal parsing method
*
* @param string $token
* @param string $locale
* @return string
*/
private function _parseIsoToDate($token, $locale) {
switch($token) {
case self::DAY :
return 'd';
break;
case self::WEEKDAY_SHORT :
$weekday = strtolower($this->date('D', $this->getUnixTimestamp(), false));
$day = Zend_Locale_Data::getContent($locale, 'day', array('gregorian', 'format', 'wide', $weekday));
return $this->_toComment(iconv_substr($day, 0, 3, 'UTF-8'));
break;
case self::DAY_SHORT :
return 'j';
break;
case self::WEEKDAY :
$weekday = strtolower($this->date('D', $this->getUnixTimestamp(), false));
return $this->_toComment(Zend_Locale_Data::getContent($locale, 'day', array('gregorian', 'format', 'wide', $weekday)));
break;
case self::WEEKDAY_8601 :
return 'N';
break;
case 'ee' :
return $this->_toComment(str_pad($this->date('N', $this->getUnixTimestamp(), false), 2, '0', STR_PAD_LEFT));
break;
case self::DAY_SUFFIX :
return 'S';
break;
case self::WEEKDAY_DIGIT :
return 'w';
break;
case self::DAY_OF_YEAR :
return 'z';
break;
case 'DDD' :
return $this->_toComment(str_pad($this->date('z', $this->getUnixTimestamp(), false), 3, '0', STR_PAD_LEFT));
break;
case 'DD' :
return $this->_toComment(str_pad($this->date('z', $this->getUnixTimestamp(), false), 2, '0', STR_PAD_LEFT));
break;
case self::WEEKDAY_NARROW :
case 'EEEEE' :
$weekday = strtolower($this->date('D', $this->getUnixTimestamp(), false));
$day = Zend_Locale_Data::getContent($locale, 'day', array('gregorian', 'format', 'abbreviated', $weekday));
return $this->_toComment(iconv_substr($day, 0, 1, 'UTF-8'));
break;
case self::WEEKDAY_NAME :
$weekday = strtolower($this->date('D', $this->getUnixTimestamp(), false));
return $this->_toComment(Zend_Locale_Data::getContent($locale, 'day', array('gregorian', 'format', 'abbreviated', $weekday)));
break;
case 'w' :
$week = $this->date('W', $this->getUnixTimestamp(), false);
return $this->_toComment(($week[0] == '0') ? $week[1] : $week);
break;
case self::WEEK :
return 'W';
break;
case self::MONTH_NAME :
$month = $this->date('n', $this->getUnixTimestamp(), false);
return $this->_toComment(Zend_Locale_Data::getContent($locale, 'month', array('gregorian', 'format', 'wide', $month)));
break;
case self::MONTH :
return 'm';
break;
case self::MONTH_NAME_SHORT :
$month = $this->date('n', $this->getUnixTimestamp(), false);
return $this->_toComment(Zend_Locale_Data::getContent($locale, 'month', array('gregorian', 'format', 'abbreviated', $month)));
break;
case self::MONTH_SHORT :
return 'n';
break;
case self::MONTH_DAYS :
return 't';
break;
case self::MONTH_NAME_NARROW :
$month = $this->date('n', $this->getUnixTimestamp(), false);
$mon = Zend_Locale_Data::getContent($locale, 'month', array('gregorian', 'format', 'abbreviated', $month));
return $this->_toComment(iconv_substr($mon, 0, 1, 'UTF-8'));
break;
case self::LEAPYEAR :
return 'L';
break;
case self::YEAR_8601 :
return 'o';
break;
case self::YEAR :
return 'Y';
break;
case self::YEAR_SHORT :
return 'y';
break;
case self::YEAR_SHORT_8601 :
return $this->_toComment(substr($this->date('o', $this->getUnixTimestamp(), false), -2, 2));
break;
case self::MERIDIEM :
$am = $this->date('a', $this->getUnixTimestamp(), false);
if ($am == 'am') {
return $this->_toComment(Zend_Locale_Data::getContent($locale, 'am'));
}
return $this->_toComment(Zend_Locale_Data::getContent($locale, 'pm'));
break;
case self::SWATCH :
return 'B';
break;
case self::HOUR_SHORT_AM :
return 'g';
break;
case self::HOUR_SHORT :
return 'G';
break;
case self::HOUR_AM :
return 'h';
break;
case self::HOUR :
return 'H';
break;
case self::MINUTE :
return $this->_toComment(str_pad($this->date('i', $this->getUnixTimestamp(), false), 2, '0', STR_PAD_LEFT));
break;
case self::SECOND :
return $this->_toComment(str_pad($this->date('s', $this->getUnixTimestamp(), false), 2, '0', STR_PAD_LEFT));
break;
case self::MINUTE_SHORT :
return 'i';
break;
case self::SECOND_SHORT :
return 's';
break;
case self::MILLISECOND :
return $this->_toComment($this->_fractional);
break;
case self::TIMEZONE_NAME :
case 'vvvv' :
return 'e';
break;
case self::DAYLIGHT :
return 'I';
break;
case self::GMT_DIFF :
case 'ZZ' :
case 'ZZZ' :
return 'O';
break;
case self::GMT_DIFF_SEP :
return 'P';
break;
case self::TIMEZONE :
case 'v' :
case 'zz' :
case 'zzz' :
return 'T';
break;
case self::TIMEZONE_SECS :
return 'Z';
break;
case self::ISO_8601 :
return 'c';
break;
case self::RFC_2822 :
return 'r';
break;
case self::TIMESTAMP :
return 'U';
break;
case self::ERA :
case 'GG' :
case 'GGG' :
$year = $this->date('Y', $this->getUnixTimestamp(), false);
if ($year < 0) {
return $this->_toComment(Zend_Locale_Data::getContent($locale, 'era', array('gregorian', 'Abbr', '0')));
}
return $this->_toComment(Zend_Locale_Data::getContent($locale, 'era', array('gregorian', 'Abbr', '1')));
break;
case self::ERA_NARROW :
$year = $this->date('Y', $this->getUnixTimestamp(), false);
if ($year < 0) {
return $this->_toComment(iconv_substr(Zend_Locale_Data::getContent($locale, 'era', array('gregorian', 'Abbr', '0')), 0, 1, 'UTF-8')) . '.';
}
return $this->_toComment(iconv_substr(Zend_Locale_Data::getContent($locale, 'era', array('gregorian', 'Abbr', '1')), 0, 1, 'UTF-8')) . '.';
break;
case self::ERA_NAME :
$year = $this->date('Y', $this->getUnixTimestamp(), false);
if ($year < 0) {
return $this->_toComment(Zend_Locale_Data::getContent($locale, 'era', array('gregorian', 'Names', '0')));
}
return $this->_toComment(Zend_Locale_Data::getContent($locale, 'era', array('gregorian', 'Names', '1')));
break;
case self::DATES :
return $this->_toToken(Zend_Locale_Format::getDateFormat($locale), $locale);
break;
case self::DATE_FULL :
return $this->_toToken(Zend_Locale_Data::getContent($locale, 'date', array('gregorian', 'full')), $locale);
break;
case self::DATE_LONG :
return $this->_toToken(Zend_Locale_Data::getContent($locale, 'date', array('gregorian', 'long')), $locale);
break;
case self::DATE_MEDIUM :
return $this->_toToken(Zend_Locale_Data::getContent($locale, 'date', array('gregorian', 'medium')), $locale);
break;
case self::DATE_SHORT :
return $this->_toToken(Zend_Locale_Data::getContent($locale, 'date', array('gregorian', 'short')), $locale);
break;
case self::TIMES :
return $this->_toToken(Zend_Locale_Format::getTimeFormat($locale), $locale);
break;
case self::TIME_FULL :
return $this->_toToken(Zend_Locale_Data::getContent($locale, 'time', 'full'), $locale);
break;
case self::TIME_LONG :
return $this->_toToken(Zend_Locale_Data::getContent($locale, 'time', 'long'), $locale);
break;
case self::TIME_MEDIUM :
return $this->_toToken(Zend_Locale_Data::getContent($locale, 'time', 'medium'), $locale);
break;
case self::TIME_SHORT :
return $this->_toToken(Zend_Locale_Data::getContent($locale, 'time', 'short'), $locale);
break;
case self::ATOM :
return 'Y\-m\-d\TH\:i\:sP';
break;
case self::COOKIE :
return 'l\, d\-M\-y H\:i\:s e';
break;
case self::RFC_822 :
return 'D\, d M y H\:i\:s O';
break;
case self::RFC_850 :
return 'l\, d\-M\-y H\:i\:s e';
break;
case self::RFC_1036 :
return 'D\, d M y H\:i\:s O';
break;
case self::RFC_1123 :
return 'D\, d M Y H\:i\:s O';
break;
case self::RFC_3339 :
return 'Y\-m\-d\TH\:i\:sP';
break;
case self::RSS :
return 'D\, d M Y H\:i\:s O';
break;
case self::W3C :
return 'Y\-m\-d\TH\:i\:sP';
break;
}
if ($token == '') {
return '';
}
switch ($token[0]) {
case 'y' :
if ((strlen($token) == 4) && (abs($this->getUnixTimestamp()) <= 0x7FFFFFFF)) {
return 'Y';
}
$length = iconv_strlen($token, 'UTF-8');
return $this->_toComment(str_pad($this->date('Y', $this->getUnixTimestamp(), false), $length, '0', STR_PAD_LEFT));
break;
case 'Y' :
if ((strlen($token) == 4) && (abs($this->getUnixTimestamp()) <= 0x7FFFFFFF)) {
return 'o';
}
$length = iconv_strlen($token, 'UTF-8');
return $this->_toComment(str_pad($this->date('o', $this->getUnixTimestamp(), false), $length, '0', STR_PAD_LEFT));
break;
case 'A' :
$length = iconv_strlen($token, 'UTF-8');
$result = $this->_fractional;
$result += $this->date('s', $this->getUnixTimestamp(), false) * 1000;
$result += $this->date('i', $this->getUnixTimestamp(), false) * 60000;
$result += $this->date('H', $this->getUnixTimestamp(), false) * 3600000;
return $this->_toComment(str_pad($result, $length, '0', STR_PAD_LEFT));
break;
}
return $this->_toComment($token);
}
/**
* Private function to make a comment of a token
*
* @param string $token
* @return string
*/
private function _toComment($token)
{
$token = str_split($token);
$result = '';
foreach ($token as $tok) {
$result .= '\\' . $tok;
}
return $result;
}
/**
* Return digit from standard names (english)
* Faster implementation than locale aware searching
*
* @param string $name
* @return integer Number of this month
* @throws Zend_Date_Exception
*/
private function _getDigitFromName($name)
{
switch($name) {
case "Jan":
return 1;
case "Feb":
return 2;
case "Mar":
return 3;
case "Apr":
return 4;
case "May":
return 5;
case "Jun":
return 6;
case "Jul":
return 7;
case "Aug":
return 8;
case "Sep":
return 9;
case "Oct":
return 10;
case "Nov":
return 11;
case "Dec":
return 12;
default:
require_once 'Zend/Date/Exception.php';
throw new Zend_Date_Exception('Month ($name) is not a known month');
}
}
/**
* Counts the exact year number
* < 70 - 2000 added, >70 < 100 - 1900, others just returned
*
* @param integer $value year number
* @return integer Number of year
*/
public static function getFullYear($value)
{
if ($value >= 0) {
if ($value < 70) {
$value += 2000;
} else if ($value < 100) {
$value += 1900;
}
}
return $value;
}
/**
* Sets the given date as new date or a given datepart as new datepart returning the new datepart
* This could be for example a localized dayname, the date without time,
* the month or only the seconds. There are about 50 different supported date parts.
* For a complete list of supported datepart values look into the docu
*
* @param string|integer|array|Zend_Date $date Date or datepart to set
* @param string $part OPTIONAL Part of the date to set, if null the timestamp is set
* @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
* @return integer|string new datepart
* @throws Zend_Date_Exception
*/
public function set($date, $part = null, $locale = null)
{
$zone = $this->getTimezoneFromString($date);
$this->setTimezone($zone);
$result = $this->_calculate('set', $date, $part, $locale);
return $result;
}
/**
* Adds a date or datepart to the existing date, by extracting $part from $date,
* and modifying this object by adding that part. The $part is then extracted from
* this object and returned as an integer or numeric string (for large values, or $part's
* corresponding to pre-defined formatted date strings).
* This could be for example a ISO 8601 date, the hour the monthname or only the minute.
* There are about 50 different supported date parts.
* For a complete list of supported datepart values look into the docu.