1142 lines
38 KiB
PHP
1142 lines
38 KiB
PHP
<?php
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/**
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* CakeTime utility class file.
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*
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* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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* Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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*
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* Licensed under The MIT License
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* For full copyright and license information, please see the LICENSE.txt
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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* @link http://cakephp.org CakePHP(tm) Project
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* @package Cake.Utility
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* @since CakePHP(tm) v 0.10.0.1076
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* @license http://www.opensource.org/licenses/mit-license.php MIT License
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*/
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App::uses('Multibyte', 'I18n');
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/**
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* Time Helper class for easy use of time data.
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*
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* Manipulation of time data.
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*
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* @package Cake.Utility
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* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/time.html
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*/
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class CakeTime {
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/**
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* The format to use when formatting a time using `CakeTime::nice()`
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*
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* The format should use the locale strings as defined in the PHP docs under
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* `strftime` (http://php.net/manual/en/function.strftime.php)
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*
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* @var string
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* @see CakeTime::format()
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*/
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public static $niceFormat = '%a, %b %eS %Y, %H:%M';
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/**
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* The format to use when formatting a time using `CakeTime::timeAgoInWords()`
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* and the difference is more than `CakeTime::$wordEnd`
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*
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* @var string
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* @see CakeTime::timeAgoInWords()
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*/
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public static $wordFormat = 'j/n/y';
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/**
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* The format to use when formatting a time using `CakeTime::niceShort()`
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* and the difference is between 3 and 7 days
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*
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* @var string
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* @see CakeTime::niceShort()
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*/
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public static $niceShortFormat = '%B %d, %H:%M';
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/**
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* The format to use when formatting a time using `CakeTime::timeAgoInWords()`
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* and the difference is less than `CakeTime::$wordEnd`
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*
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* @var array
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* @see CakeTime::timeAgoInWords()
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*/
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public static $wordAccuracy = array(
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'year' => "day",
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'month' => "day",
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'week' => "day",
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'day' => "hour",
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'hour' => "minute",
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'minute' => "minute",
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'second' => "second",
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);
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/**
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* The end of relative time telling
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*
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* @var string
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* @see CakeTime::timeAgoInWords()
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*/
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public static $wordEnd = '+1 month';
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/**
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* Temporary variable containing timestamp value, used internally convertSpecifiers()
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*
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* @var integer
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*/
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protected static $_time = null;
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/**
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* Magic set method for backward compatibility.
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* Used by TimeHelper to modify static variables in CakeTime
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*
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* @param string $name Variable name
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* @param mixes $value Variable value
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* @return void
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*/
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public function __set($name, $value) {
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switch ($name) {
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case 'niceFormat':
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self::${$name} = $value;
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break;
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}
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}
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/**
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* Magic set method for backward compatibility.
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* Used by TimeHelper to get static variables in CakeTime
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*
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* @param string $name Variable name
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* @return mixed
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*/
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public function __get($name) {
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switch ($name) {
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case 'niceFormat':
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return self::${$name};
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default:
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return null;
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}
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}
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/**
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* Converts a string representing the format for the function strftime and returns a
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* windows safe and i18n aware format.
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*
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* @param string $format Format with specifiers for strftime function.
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* Accepts the special specifier %S which mimics the modifier S for date()
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* @param string $time UNIX timestamp
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* @return string windows safe and date() function compatible format for strftime
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* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/time.html#TimeHelper::convertSpecifiers
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*/
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public static function convertSpecifiers($format, $time = null) {
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if (!$time) {
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$time = time();
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}
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self::$_time = $time;
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return preg_replace_callback('/\%(\w+)/', array('CakeTime', '_translateSpecifier'), $format);
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}
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/**
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* Auxiliary function to translate a matched specifier element from a regular expression into
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* a windows safe and i18n aware specifier
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*
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* @param array $specifier match from regular expression
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* @return string converted element
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*/
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protected static function _translateSpecifier($specifier) {
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switch ($specifier[1]) {
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case 'a':
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$abday = __dc('cake', 'abday', 5);
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if (is_array($abday)) {
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return $abday[date('w', self::$_time)];
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}
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break;
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case 'A':
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$day = __dc('cake', 'day', 5);
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if (is_array($day)) {
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return $day[date('w', self::$_time)];
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}
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break;
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case 'c':
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$format = __dc('cake', 'd_t_fmt', 5);
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if ($format !== 'd_t_fmt') {
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return self::convertSpecifiers($format, self::$_time);
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}
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break;
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case 'C':
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return sprintf("%02d", date('Y', self::$_time) / 100);
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case 'D':
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return '%m/%d/%y';
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case 'e':
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if (DS === '/') {
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return '%e';
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}
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$day = date('j', self::$_time);
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if ($day < 10) {
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$day = ' ' . $day;
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}
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return $day;
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case 'eS' :
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return date('jS', self::$_time);
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case 'b':
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case 'h':
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$months = __dc('cake', 'abmon', 5);
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if (is_array($months)) {
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return $months[date('n', self::$_time) - 1];
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}
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return '%b';
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case 'B':
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$months = __dc('cake', 'mon', 5);
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if (is_array($months)) {
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return $months[date('n', self::$_time) - 1];
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}
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break;
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case 'n':
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return "\n";
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case 'p':
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case 'P':
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$default = array('am' => 0, 'pm' => 1);
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$meridiem = $default[date('a', self::$_time)];
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$format = __dc('cake', 'am_pm', 5);
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if (is_array($format)) {
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$meridiem = $format[$meridiem];
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return ($specifier[1] === 'P') ? strtolower($meridiem) : strtoupper($meridiem);
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}
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break;
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case 'r':
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$complete = __dc('cake', 't_fmt_ampm', 5);
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if ($complete !== 't_fmt_ampm') {
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return str_replace('%p', self::_translateSpecifier(array('%p', 'p')), $complete);
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}
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break;
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case 'R':
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return date('H:i', self::$_time);
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case 't':
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return "\t";
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case 'T':
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return '%H:%M:%S';
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case 'u':
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return ($weekDay = date('w', self::$_time)) ? $weekDay : 7;
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case 'x':
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$format = __dc('cake', 'd_fmt', 5);
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if ($format !== 'd_fmt') {
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return self::convertSpecifiers($format, self::$_time);
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}
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break;
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case 'X':
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$format = __dc('cake', 't_fmt', 5);
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if ($format !== 't_fmt') {
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return self::convertSpecifiers($format, self::$_time);
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}
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break;
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}
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return $specifier[0];
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}
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/**
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* Converts given time (in server's time zone) to user's local time, given his/her timezone.
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*
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* @param string $serverTime UNIX timestamp
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* @param string|DateTimeZone $timezone User's timezone string or DateTimeZone object
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* @return integer UNIX timestamp
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* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/time.html#TimeHelper::convert
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*/
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public static function convert($serverTime, $timezone) {
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static $serverTimezone = null;
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if ($serverTimezone === null || (date_default_timezone_get() !== $serverTimezone->getName())) {
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$serverTimezone = new DateTimeZone(date_default_timezone_get());
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}
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$serverOffset = $serverTimezone->getOffset(new DateTime('@' . $serverTime));
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$gmtTime = $serverTime - $serverOffset;
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if (is_numeric($timezone)) {
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$userOffset = $timezone * (60 * 60);
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} else {
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$timezone = self::timezone($timezone);
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$userOffset = $timezone->getOffset(new DateTime('@' . $gmtTime));
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}
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$userTime = $gmtTime + $userOffset;
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return (int)$userTime;
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}
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/**
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* Returns a timezone object from a string or the user's timezone object
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*
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* @param string|DateTimeZone $timezone Timezone string or DateTimeZone object
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* If null it tries to get timezone from 'Config.timezone' config var
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* @return DateTimeZone Timezone object
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* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/time.html#TimeHelper::timezone
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*/
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public static function timezone($timezone = null) {
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static $tz = null;
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if (is_object($timezone)) {
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if ($tz === null || $tz->getName() !== $timezone->getName()) {
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$tz = $timezone;
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}
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} else {
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if ($timezone === null) {
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$timezone = Configure::read('Config.timezone');
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if ($timezone === null) {
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$timezone = date_default_timezone_get();
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}
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}
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if ($tz === null || $tz->getName() !== $timezone) {
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$tz = new DateTimeZone($timezone);
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}
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}
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return $tz;
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}
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/**
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* Returns server's offset from GMT in seconds.
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*
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* @return integer Offset
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* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/time.html#TimeHelper::serverOffset
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*/
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public static function serverOffset() {
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return date('Z', time());
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}
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/**
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* Returns a UNIX timestamp, given either a UNIX timestamp or a valid strtotime() date string.
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*
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* @param integer|string|DateTime $dateString UNIX timestamp, strtotime() valid string or DateTime object
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* @param string|DateTimeZone $timezone Timezone string or DateTimeZone object
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* @return string Parsed timestamp
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* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/time.html#TimeHelper::fromString
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*/
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public static function fromString($dateString, $timezone = null) {
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if (empty($dateString)) {
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return false;
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}
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$containsDummyDate = (is_string($dateString) && substr($dateString, 0, 10) === '0000-00-00');
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if ($containsDummyDate) {
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return false;
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}
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if (is_int($dateString) || is_numeric($dateString)) {
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$date = intval($dateString);
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} elseif (
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$dateString instanceof DateTime &&
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$dateString->getTimezone()->getName() != date_default_timezone_get()
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) {
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$clone = clone $dateString;
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$clone->setTimezone(new DateTimeZone(date_default_timezone_get()));
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$date = (int)$clone->format('U') + $clone->getOffset();
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} elseif ($dateString instanceof DateTime) {
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$date = (int)$dateString->format('U');
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} else {
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$date = strtotime($dateString);
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}
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if ($date === -1 || empty($date)) {
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return false;
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}
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if ($timezone === null) {
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$timezone = Configure::read('Config.timezone');
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}
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if ($timezone !== null) {
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return self::convert($date, $timezone);
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}
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return $date;
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}
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/**
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* Returns a nicely formatted date string for given Datetime string.
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*
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* See http://php.net/manual/en/function.strftime.php for information on formatting
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* using locale strings.
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*
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* @param integer|string|DateTime $dateString UNIX timestamp, strtotime() valid string or DateTime object
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* @param string|DateTimeZone $timezone Timezone string or DateTimeZone object
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* @param string $format The format to use. If null, `TimeHelper::$niceFormat` is used
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* @return string Formatted date string
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* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/time.html#TimeHelper::nice
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*/
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public static function nice($dateString = null, $timezone = null, $format = null) {
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if (!$dateString) {
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$dateString = time();
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}
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$date = self::fromString($dateString, $timezone);
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if (!$format) {
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$format = self::$niceFormat;
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}
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return self::_strftime(self::convertSpecifiers($format, $date), $date);
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}
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/**
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* Returns a formatted descriptive date string for given datetime string.
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*
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* If the given date is today, the returned string could be "Today, 16:54".
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* If the given date is tomorrow, the returned string could be "Tomorrow, 16:54".
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* If the given date was yesterday, the returned string could be "Yesterday, 16:54".
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* If the given date is within next or last week, the returned string could be "On Thursday, 16:54".
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* If $dateString's year is the current year, the returned string does not
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* include mention of the year.
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*
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* @param integer|string|DateTime $dateString UNIX timestamp, strtotime() valid string or DateTime object
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* @param string|DateTimeZone $timezone Timezone string or DateTimeZone object
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* @return string Described, relative date string
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* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/time.html#TimeHelper::niceShort
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*/
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public static function niceShort($dateString = null, $timezone = null) {
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if (!$dateString) {
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$dateString = time();
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}
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$date = self::fromString($dateString, $timezone);
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if (self::isToday($dateString, $timezone)) {
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return __d('cake', 'Today, %s', self::_strftime("%H:%M", $date));
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}
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if (self::wasYesterday($dateString, $timezone)) {
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return __d('cake', 'Yesterday, %s', self::_strftime("%H:%M", $date));
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}
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if (self::isTomorrow($dateString, $timezone)) {
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return __d('cake', 'Tomorrow, %s', self::_strftime("%H:%M", $date));
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}
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$d = self::_strftime("%w", $date);
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$day = array(
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__d('cake', 'Sunday'),
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__d('cake', 'Monday'),
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__d('cake', 'Tuesday'),
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__d('cake', 'Wednesday'),
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__d('cake', 'Thursday'),
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__d('cake', 'Friday'),
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__d('cake', 'Saturday')
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);
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if (self::wasWithinLast('7 days', $dateString, $timezone)) {
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return sprintf('%s %s', $day[$d], self::_strftime(self::$niceShortFormat, $date));
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}
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if (self::isWithinNext('7 days', $dateString, $timezone)) {
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return __d('cake', 'On %s %s', $day[$d], self::_strftime(self::$niceShortFormat, $date));
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}
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$y = '';
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if (!self::isThisYear($date)) {
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$y = ' %Y';
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}
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return self::_strftime(self::convertSpecifiers("%b %eS{$y}, %H:%M", $date), $date);
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}
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/**
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* Returns a partial SQL string to search for all records between two dates.
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*
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* @param integer|string|DateTime $begin UNIX timestamp, strtotime() valid string or DateTime object
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* @param integer|string|DateTime $end UNIX timestamp, strtotime() valid string or DateTime object
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* @param string $fieldName Name of database field to compare with
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* @param string|DateTimeZone $timezone Timezone string or DateTimeZone object
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* @return string Partial SQL string.
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* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/time.html#TimeHelper::daysAsSql
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*/
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public static function daysAsSql($begin, $end, $fieldName, $timezone = null) {
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$begin = self::fromString($begin, $timezone);
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$end = self::fromString($end, $timezone);
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$begin = date('Y-m-d', $begin) . ' 00:00:00';
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$end = date('Y-m-d', $end) . ' 23:59:59';
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return "($fieldName >= '$begin') AND ($fieldName <= '$end')";
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}
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/**
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* Returns a partial SQL string to search for all records between two times
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* occurring on the same day.
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*
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* @param integer|string|DateTime $dateString UNIX timestamp, strtotime() valid string or DateTime object
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* @param string $fieldName Name of database field to compare with
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* @param string|DateTimeZone $timezone Timezone string or DateTimeZone object
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* @return string Partial SQL string.
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* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/time.html#TimeHelper::dayAsSql
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*/
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public static function dayAsSql($dateString, $fieldName, $timezone = null) {
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return self::daysAsSql($dateString, $dateString, $fieldName, $timezone);
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}
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/**
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* Returns true if given datetime string is today.
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*
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* @param integer|string|DateTime $dateString UNIX timestamp, strtotime() valid string or DateTime object
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* @param string|DateTimeZone $timezone Timezone string or DateTimeZone object
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* @return boolean True if datetime string is today
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* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/time.html#TimeHelper::isToday
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*/
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public static function isToday($dateString, $timezone = null) {
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$timestamp = self::fromString($dateString, $timezone);
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$now = self::fromString('now', $timezone);
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return date('Y-m-d', $timestamp) == date('Y-m-d', $now);
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}
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/**
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* Returns true if given datetime string is in the future.
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*
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* @param integer|string|DateTime $dateString UNIX timestamp, strtotime() valid string or DateTime object
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* @param string|DateTimeZone $timezone Timezone string or DateTimeZone object
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* @return boolean True if datetime string is in the future
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* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/time.html#TimeHelper::isFuture
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*/
|
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public static function isFuture($dateString, $timezone = null) {
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$timestamp = self::fromString($dateString, $timezone);
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return $timestamp > time();
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}
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|
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/**
|
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* Returns true if given datetime string is in the past.
|
|
*
|
|
* @param integer|string|DateTime $dateString UNIX timestamp, strtotime() valid string or DateTime object
|
|
* @param string|DateTimeZone $timezone Timezone string or DateTimeZone object
|
|
* @return boolean True if datetime string is in the past
|
|
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/time.html#TimeHelper::isPast
|
|
*/
|
|
public static function isPast($dateString, $timezone = null) {
|
|
$timestamp = self::fromString($dateString, $timezone);
|
|
return $timestamp < time();
|
|
}
|
|
|
|
/**
|
|
* Returns true if given datetime string is within this week.
|
|
*
|
|
* @param integer|string|DateTime $dateString UNIX timestamp, strtotime() valid string or DateTime object
|
|
* @param string|DateTimeZone $timezone Timezone string or DateTimeZone object
|
|
* @return boolean True if datetime string is within current week
|
|
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/time.html#TimeHelper::isThisWeek
|
|
*/
|
|
public static function isThisWeek($dateString, $timezone = null) {
|
|
$timestamp = self::fromString($dateString, $timezone);
|
|
$now = self::fromString('now', $timezone);
|
|
return date('W o', $timestamp) === date('W o', $now);
|
|
}
|
|
|
|
/**
|
|
* Returns true if given datetime string is within this month
|
|
*
|
|
* @param integer|string|DateTime $dateString UNIX timestamp, strtotime() valid string or DateTime object
|
|
* @param string|DateTimeZone $timezone Timezone string or DateTimeZone object
|
|
* @return boolean True if datetime string is within current month
|
|
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/time.html#TimeHelper::isThisMonth
|
|
*/
|
|
public static function isThisMonth($dateString, $timezone = null) {
|
|
$timestamp = self::fromString($dateString, $timezone);
|
|
$now = self::fromString('now', $timezone);
|
|
return date('m Y', $timestamp) === date('m Y', $now);
|
|
}
|
|
|
|
/**
|
|
* Returns true if given datetime string is within current year.
|
|
*
|
|
* @param integer|string|DateTime $dateString UNIX timestamp, strtotime() valid string or DateTime object
|
|
* @param string|DateTimeZone $timezone Timezone string or DateTimeZone object
|
|
* @return boolean True if datetime string is within current year
|
|
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/time.html#TimeHelper::isThisYear
|
|
*/
|
|
public static function isThisYear($dateString, $timezone = null) {
|
|
$timestamp = self::fromString($dateString, $timezone);
|
|
$now = self::fromString('now', $timezone);
|
|
return date('Y', $timestamp) === date('Y', $now);
|
|
}
|
|
|
|
/**
|
|
* Returns true if given datetime string was yesterday.
|
|
*
|
|
* @param integer|string|DateTime $dateString UNIX timestamp, strtotime() valid string or DateTime object
|
|
* @param string|DateTimeZone $timezone Timezone string or DateTimeZone object
|
|
* @return boolean True if datetime string was yesterday
|
|
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/time.html#TimeHelper::wasYesterday
|
|
*/
|
|
public static function wasYesterday($dateString, $timezone = null) {
|
|
$timestamp = self::fromString($dateString, $timezone);
|
|
$yesterday = self::fromString('yesterday', $timezone);
|
|
return date('Y-m-d', $timestamp) === date('Y-m-d', $yesterday);
|
|
}
|
|
|
|
/**
|
|
* Returns true if given datetime string is tomorrow.
|
|
*
|
|
* @param integer|string|DateTime $dateString UNIX timestamp, strtotime() valid string or DateTime object
|
|
* @param string|DateTimeZone $timezone Timezone string or DateTimeZone object
|
|
* @return boolean True if datetime string was yesterday
|
|
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/time.html#TimeHelper::isTomorrow
|
|
*/
|
|
public static function isTomorrow($dateString, $timezone = null) {
|
|
$timestamp = self::fromString($dateString, $timezone);
|
|
$tomorrow = self::fromString('tomorrow', $timezone);
|
|
return date('Y-m-d', $timestamp) === date('Y-m-d', $tomorrow);
|
|
}
|
|
|
|
/**
|
|
* Returns the quarter
|
|
*
|
|
* @param integer|string|DateTime $dateString UNIX timestamp, strtotime() valid string or DateTime object
|
|
* @param boolean $range if true returns a range in Y-m-d format
|
|
* @return mixed 1, 2, 3, or 4 quarter of year or array if $range true
|
|
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/time.html#TimeHelper::toQuarter
|
|
*/
|
|
public static function toQuarter($dateString, $range = false) {
|
|
$time = self::fromString($dateString);
|
|
$date = ceil(date('m', $time) / 3);
|
|
if ($range === false) {
|
|
return $date;
|
|
}
|
|
|
|
$year = date('Y', $time);
|
|
switch ($date) {
|
|
case 1:
|
|
return array($year . '-01-01', $year . '-03-31');
|
|
case 2:
|
|
return array($year . '-04-01', $year . '-06-30');
|
|
case 3:
|
|
return array($year . '-07-01', $year . '-09-30');
|
|
case 4:
|
|
return array($year . '-10-01', $year . '-12-31');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns a UNIX timestamp from a textual datetime description. Wrapper for PHP function strtotime().
|
|
*
|
|
* @param integer|string|DateTime $dateString UNIX timestamp, strtotime() valid string or DateTime object
|
|
* @param string|DateTimeZone $timezone Timezone string or DateTimeZone object
|
|
* @return integer Unix timestamp
|
|
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/time.html#TimeHelper::toUnix
|
|
*/
|
|
public static function toUnix($dateString, $timezone = null) {
|
|
return self::fromString($dateString, $timezone);
|
|
}
|
|
|
|
/**
|
|
* Returns a formatted date in server's timezone.
|
|
*
|
|
* If a DateTime object is given or the dateString has a timezone
|
|
* segment, the timezone parameter will be ignored.
|
|
*
|
|
* If no timezone parameter is given and no DateTime object, the passed $dateString will be
|
|
* considered to be in the UTC timezone.
|
|
*
|
|
* @param integer|string|DateTime $dateString UNIX timestamp, strtotime() valid string or DateTime object
|
|
* @param string|DateTimeZone $timezone Timezone string or DateTimeZone object
|
|
* @param string $format date format string
|
|
* @return mixed Formatted date
|
|
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/time.html#TimeHelper::toServer
|
|
*/
|
|
public static function toServer($dateString, $timezone = null, $format = 'Y-m-d H:i:s') {
|
|
if ($timezone === null) {
|
|
$timezone = new DateTimeZone('UTC');
|
|
} elseif (is_string($timezone)) {
|
|
$timezone = new DateTimeZone($timezone);
|
|
} elseif (!($timezone instanceof DateTimeZone)) {
|
|
return false;
|
|
}
|
|
|
|
if ($dateString instanceof DateTime) {
|
|
$date = $dateString;
|
|
} elseif (is_int($dateString) || is_numeric($dateString)) {
|
|
$dateString = (int)$dateString;
|
|
|
|
$date = new DateTime('@' . $dateString);
|
|
$date->setTimezone($timezone);
|
|
} else {
|
|
$date = new DateTime($dateString, $timezone);
|
|
}
|
|
|
|
$date->setTimezone(new DateTimeZone(date_default_timezone_get()));
|
|
return $date->format($format);
|
|
}
|
|
|
|
/**
|
|
* Returns a date formatted for Atom RSS feeds.
|
|
*
|
|
* @param string $dateString Datetime string or Unix timestamp
|
|
* @param string|DateTimeZone $timezone Timezone string or DateTimeZone object
|
|
* @return string Formatted date string
|
|
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/time.html#TimeHelper::toAtom
|
|
*/
|
|
public static function toAtom($dateString, $timezone = null) {
|
|
return date('Y-m-d\TH:i:s\Z', self::fromString($dateString, $timezone));
|
|
}
|
|
|
|
/**
|
|
* Formats date for RSS feeds
|
|
*
|
|
* @param integer|string|DateTime $dateString UNIX timestamp, strtotime() valid string or DateTime object
|
|
* @param string|DateTimeZone $timezone Timezone string or DateTimeZone object
|
|
* @return string Formatted date string
|
|
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/time.html#TimeHelper::toRSS
|
|
*/
|
|
public static function toRSS($dateString, $timezone = null) {
|
|
$date = self::fromString($dateString, $timezone);
|
|
|
|
if ($timezone === null) {
|
|
return date("r", $date);
|
|
}
|
|
|
|
$userOffset = $timezone;
|
|
if (!is_numeric($timezone)) {
|
|
if (!is_object($timezone)) {
|
|
$timezone = new DateTimeZone($timezone);
|
|
}
|
|
$currentDate = new DateTime('@' . $date);
|
|
$currentDate->setTimezone($timezone);
|
|
$userOffset = $timezone->getOffset($currentDate) / 60 / 60;
|
|
}
|
|
|
|
$timezone = '+0000';
|
|
if ($userOffset != 0) {
|
|
$hours = (int)floor(abs($userOffset));
|
|
$minutes = (int)(fmod(abs($userOffset), $hours) * 60);
|
|
$timezone = ($userOffset < 0 ? '-' : '+') . str_pad($hours, 2, '0', STR_PAD_LEFT) . str_pad($minutes, 2, '0', STR_PAD_LEFT);
|
|
}
|
|
return date('D, d M Y H:i:s', $date) . ' ' . $timezone;
|
|
}
|
|
|
|
/**
|
|
* Returns either a relative or a formatted absolute date depending
|
|
* on the difference between the current time and given datetime.
|
|
* $datetime should be in a *strtotime* - 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
|
|
* - `accuracy` => Specifies how accurate the date should be described (array)
|
|
* - year => The format if years > 0 (default "day")
|
|
* - month => The format if months > 0 (default "day")
|
|
* - week => The format if weeks > 0 (default "day")
|
|
* - day => The format if weeks > 0 (default "hour")
|
|
* - hour => The format if hours > 0 (default "minute")
|
|
* - minute => The format if minutes > 0 (default "minute")
|
|
* - second => The format if seconds > 0 (default "second")
|
|
* - `end` => The end of relative time telling
|
|
* - `relativeString` => The printf compatible string when outputting relative time
|
|
* - `absoluteString` => The printf compatible string when outputting absolute time
|
|
* - `userOffset` => Users offset from GMT (in hours) *Deprecated* use timezone intead.
|
|
* - `timezone` => The user timezone the timestamp should be formatted in.
|
|
*
|
|
* 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.
|
|
*
|
|
* NOTE: If the difference is one week or more, the lowest level of accuracy is day
|
|
*
|
|
* @param integer|string|DateTime $dateTime Datetime UNIX timestamp, strtotime() valid string or DateTime object
|
|
* @param array $options Default format if timestamp is used in $dateString
|
|
* @return string Relative time string.
|
|
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/time.html#TimeHelper::timeAgoInWords
|
|
*/
|
|
public static function timeAgoInWords($dateTime, $options = array()) {
|
|
$timezone = null;
|
|
$format = self::$wordFormat;
|
|
$end = self::$wordEnd;
|
|
$relativeString = __d('cake', '%s ago');
|
|
$absoluteString = __d('cake', 'on %s');
|
|
$accuracy = self::$wordAccuracy;
|
|
|
|
if (is_array($options)) {
|
|
if (isset($options['timezone'])) {
|
|
$timezone = $options['timezone'];
|
|
} elseif (isset($options['userOffset'])) {
|
|
$timezone = $options['userOffset'];
|
|
}
|
|
|
|
if (isset($options['accuracy'])) {
|
|
if (is_array($options['accuracy'])) {
|
|
$accuracy = array_merge($accuracy, $options['accuracy']);
|
|
} else {
|
|
foreach ($accuracy as $key => $level) {
|
|
$accuracy[$key] = $options['accuracy'];
|
|
}
|
|
}
|
|
}
|
|
|
|
if (isset($options['format'])) {
|
|
$format = $options['format'];
|
|
}
|
|
if (isset($options['end'])) {
|
|
$end = $options['end'];
|
|
}
|
|
if (isset($options['relativeString'])) {
|
|
$relativeString = $options['relativeString'];
|
|
unset($options['relativeString']);
|
|
}
|
|
if (isset($options['absoluteString'])) {
|
|
$absoluteString = $options['absoluteString'];
|
|
unset($options['absoluteString']);
|
|
}
|
|
unset($options['end'], $options['format']);
|
|
} else {
|
|
$format = $options;
|
|
}
|
|
|
|
$now = self::fromString(time(), $timezone);
|
|
$inSeconds = self::fromString($dateTime, $timezone);
|
|
$backwards = ($inSeconds > $now);
|
|
|
|
$futureTime = $now;
|
|
$pastTime = $inSeconds;
|
|
if ($backwards) {
|
|
$futureTime = $inSeconds;
|
|
$pastTime = $now;
|
|
}
|
|
$diff = $futureTime - $pastTime;
|
|
|
|
if (!$diff) {
|
|
return __d('cake', 'just now', 'just now');
|
|
}
|
|
|
|
if ($diff > abs($now - self::fromString($end))) {
|
|
return sprintf($absoluteString, date($format, $inSeconds));
|
|
}
|
|
|
|
// If more than a week, then take into account the length of months
|
|
if ($diff >= 604800) {
|
|
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;
|
|
|
|
$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 && $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;
|
|
}
|
|
|
|
$fWord = $accuracy['second'];
|
|
if ($years > 0) {
|
|
$fWord = $accuracy['year'];
|
|
} elseif (abs($months) > 0) {
|
|
$fWord = $accuracy['month'];
|
|
} elseif (abs($weeks) > 0) {
|
|
$fWord = $accuracy['week'];
|
|
} elseif (abs($days) > 0) {
|
|
$fWord = $accuracy['day'];
|
|
} elseif (abs($hours) > 0) {
|
|
$fWord = $accuracy['hour'];
|
|
} elseif (abs($minutes) > 0) {
|
|
$fWord = $accuracy['minute'];
|
|
}
|
|
|
|
$fNum = str_replace(array('year', 'month', 'week', 'day', 'hour', 'minute', 'second'), array(1, 2, 3, 4, 5, 6, 7), $fWord);
|
|
|
|
$relativeDate = '';
|
|
if ($fNum >= 1 && $years > 0) {
|
|
$relativeDate .= ($relativeDate ? ', ' : '') . __dn('cake', '%d year', '%d years', $years, $years);
|
|
}
|
|
if ($fNum >= 2 && $months > 0) {
|
|
$relativeDate .= ($relativeDate ? ', ' : '') . __dn('cake', '%d month', '%d months', $months, $months);
|
|
}
|
|
if ($fNum >= 3 && $weeks > 0) {
|
|
$relativeDate .= ($relativeDate ? ', ' : '') . __dn('cake', '%d week', '%d weeks', $weeks, $weeks);
|
|
}
|
|
if ($fNum >= 4 && $days > 0) {
|
|
$relativeDate .= ($relativeDate ? ', ' : '') . __dn('cake', '%d day', '%d days', $days, $days);
|
|
}
|
|
if ($fNum >= 5 && $hours > 0) {
|
|
$relativeDate .= ($relativeDate ? ', ' : '') . __dn('cake', '%d hour', '%d hours', $hours, $hours);
|
|
}
|
|
if ($fNum >= 6 && $minutes > 0) {
|
|
$relativeDate .= ($relativeDate ? ', ' : '') . __dn('cake', '%d minute', '%d minutes', $minutes, $minutes);
|
|
}
|
|
if ($fNum >= 7 && $seconds > 0) {
|
|
$relativeDate .= ($relativeDate ? ', ' : '') . __dn('cake', '%d second', '%d seconds', $seconds, $seconds);
|
|
}
|
|
|
|
// When time has passed
|
|
if (!$backwards && $relativeDate) {
|
|
return sprintf($relativeString, $relativeDate);
|
|
}
|
|
if (!$backwards) {
|
|
$aboutAgo = array(
|
|
'second' => __d('cake', 'about a second ago'),
|
|
'minute' => __d('cake', 'about a minute ago'),
|
|
'hour' => __d('cake', 'about an hour ago'),
|
|
'day' => __d('cake', 'about a day ago'),
|
|
'week' => __d('cake', 'about a week ago'),
|
|
'year' => __d('cake', 'about a year ago')
|
|
);
|
|
|
|
return $aboutAgo[$fWord];
|
|
}
|
|
|
|
// When time is to come
|
|
if (!$relativeDate) {
|
|
$aboutIn = array(
|
|
'second' => __d('cake', 'in about a second'),
|
|
'minute' => __d('cake', 'in about a minute'),
|
|
'hour' => __d('cake', 'in about an hour'),
|
|
'day' => __d('cake', 'in about a day'),
|
|
'week' => __d('cake', 'in about a week'),
|
|
'year' => __d('cake', 'in about a year')
|
|
);
|
|
|
|
return $aboutIn[$fWord];
|
|
}
|
|
|
|
return $relativeDate;
|
|
}
|
|
|
|
/**
|
|
* Returns true if specified datetime was within the interval specified, else false.
|
|
*
|
|
* @param string|integer $timeInterval the numeric value with space then time type.
|
|
* Example of valid types: 6 hours, 2 days, 1 minute.
|
|
* @param integer|string|DateTime $dateString UNIX timestamp, strtotime() valid string or DateTime object
|
|
* @param string|DateTimeZone $timezone Timezone string or DateTimeZone object
|
|
* @return boolean
|
|
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/time.html#TimeHelper::wasWithinLast
|
|
*/
|
|
public static function wasWithinLast($timeInterval, $dateString, $timezone = null) {
|
|
$tmp = str_replace(' ', '', $timeInterval);
|
|
if (is_numeric($tmp)) {
|
|
$timeInterval = $tmp . ' ' . __d('cake', 'days');
|
|
}
|
|
|
|
$date = self::fromString($dateString, $timezone);
|
|
$interval = self::fromString('-' . $timeInterval);
|
|
$now = self::fromString('now', $timezone);
|
|
|
|
return $date >= $interval && $date <= $now;
|
|
}
|
|
|
|
/**
|
|
* Returns true if specified datetime is within the interval specified, else false.
|
|
*
|
|
* @param string|integer $timeInterval the numeric value with space then time type.
|
|
* Example of valid types: 6 hours, 2 days, 1 minute.
|
|
* @param integer|string|DateTime $dateString UNIX timestamp, strtotime() valid string or DateTime object
|
|
* @param string|DateTimeZone $timezone Timezone string or DateTimeZone object
|
|
* @return boolean
|
|
*/
|
|
public static function isWithinNext($timeInterval, $dateString, $timezone = null) {
|
|
$tmp = str_replace(' ', '', $timeInterval);
|
|
if (is_numeric($tmp)) {
|
|
$timeInterval = $tmp . ' ' . __d('cake', 'days');
|
|
}
|
|
|
|
$date = self::fromString($dateString, $timezone);
|
|
$interval = self::fromString('+' . $timeInterval);
|
|
$now = self::fromString('now', $timezone);
|
|
|
|
return $date <= $interval && $date >= $now;
|
|
}
|
|
|
|
/**
|
|
* Returns gmt as a UNIX timestamp.
|
|
*
|
|
* @param integer|string|DateTime $dateString UNIX timestamp, strtotime() valid string or DateTime object
|
|
* @return integer UNIX timestamp
|
|
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/time.html#TimeHelper::gmt
|
|
*/
|
|
public static function gmt($dateString = null) {
|
|
$time = time();
|
|
if ($dateString) {
|
|
$time = self::fromString($dateString);
|
|
}
|
|
return gmmktime(
|
|
intval(date('G', $time)),
|
|
intval(date('i', $time)),
|
|
intval(date('s', $time)),
|
|
intval(date('n', $time)),
|
|
intval(date('j', $time)),
|
|
intval(date('Y', $time))
|
|
);
|
|
}
|
|
|
|
/**
|
|
* 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()
|
|
*
|
|
* ## Examples
|
|
*
|
|
* Create localized & formatted time:
|
|
*
|
|
* {{{
|
|
* CakeTime::format('2012-02-15', '%m-%d-%Y'); // returns 02-15-2012
|
|
* CakeTime::format('2012-02-15 23:01:01', '%c'); // returns preferred date and time based on configured locale
|
|
* CakeTime::format('0000-00-00', '%d-%m-%Y', 'N/A'); // return N/A becuase an invalid date was passed
|
|
* CakeTime::format('2012-02-15 23:01:01', '%c', 'N/A', 'America/New_York'); // converts passed date to timezone
|
|
* }}}
|
|
*
|
|
* @param integer|string|DateTime $date UNIX timestamp, strtotime() valid string or DateTime object (or a date format string)
|
|
* @param integer|string|DateTime $format date format string (or UNIX timestamp, strtotime() valid string or DateTime object)
|
|
* @param boolean|string $default if an invalid date is passed it will output supplied default value. Pass false if you want raw conversion value
|
|
* @param string|DateTimeZone $timezone Timezone string or DateTimeZone object
|
|
* @return string Formatted date string
|
|
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/time.html#TimeHelper::format
|
|
* @see CakeTime::i18nFormat()
|
|
*/
|
|
public static function format($date, $format = null, $default = false, $timezone = null) {
|
|
//Backwards compatible params re-order test
|
|
$time = self::fromString($format, $timezone);
|
|
|
|
if ($time === false) {
|
|
return self::i18nFormat($date, $format, $default, $timezone);
|
|
}
|
|
return date($date, $time);
|
|
}
|
|
|
|
/**
|
|
* Returns a formatted date string, given either a UNIX timestamp or a valid strtotime() date string.
|
|
* It takes into account the default date format for the current language if a LC_TIME file is used.
|
|
*
|
|
* @param integer|string|DateTime $date UNIX timestamp, strtotime() valid string or DateTime object
|
|
* @param string $format strftime format string.
|
|
* @param boolean|string $default if an invalid date is passed it will output supplied default value. Pass false if you want raw conversion value
|
|
* @param string|DateTimeZone $timezone Timezone string or DateTimeZone object
|
|
* @return string Formatted and translated date string
|
|
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/time.html#TimeHelper::i18nFormat
|
|
*/
|
|
public static function i18nFormat($date, $format = null, $default = false, $timezone = null) {
|
|
$date = self::fromString($date, $timezone);
|
|
if ($date === false && $default !== false) {
|
|
return $default;
|
|
}
|
|
if (empty($format)) {
|
|
$format = '%x';
|
|
}
|
|
return self::_strftime(self::convertSpecifiers($format, $date), $date);
|
|
}
|
|
|
|
/**
|
|
* Get list of timezone identifiers
|
|
*
|
|
* @param integer|string $filter A regex to filter identifer
|
|
* Or one of DateTimeZone class constants (PHP 5.3 and above)
|
|
* @param string $country A two-letter ISO 3166-1 compatible country code.
|
|
* This option is only used when $filter is set to DateTimeZone::PER_COUNTRY (available only in PHP 5.3 and above)
|
|
* @param boolean $group If true (default value) groups the identifiers list by primary region
|
|
* @return array List of timezone identifiers
|
|
* @since 2.2
|
|
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/time.html#TimeHelper::listTimezones
|
|
*/
|
|
public static function listTimezones($filter = null, $country = null, $group = true) {
|
|
$regex = null;
|
|
if (is_string($filter)) {
|
|
$regex = $filter;
|
|
$filter = null;
|
|
}
|
|
if (version_compare(PHP_VERSION, '5.3.0', '<')) {
|
|
if ($regex === null) {
|
|
$regex = '#^((Africa|America|Antartica|Arctic|Asia|Atlantic|Australia|Europe|Indian|Pacific)/|UTC)#';
|
|
}
|
|
$identifiers = DateTimeZone::listIdentifiers();
|
|
} else {
|
|
if ($filter === null) {
|
|
$filter = DateTimeZone::ALL;
|
|
}
|
|
$identifiers = DateTimeZone::listIdentifiers($filter, $country);
|
|
}
|
|
|
|
if ($regex) {
|
|
foreach ($identifiers as $key => $tz) {
|
|
if (!preg_match($regex, $tz)) {
|
|
unset($identifiers[$key]);
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($group) {
|
|
$return = array();
|
|
foreach ($identifiers as $key => $tz) {
|
|
$item = explode('/', $tz, 2);
|
|
if (isset($item[1])) {
|
|
$return[$item[0]][$tz] = $item[1];
|
|
} else {
|
|
$return[$item[0]] = array($tz => $item[0]);
|
|
}
|
|
}
|
|
return $return;
|
|
}
|
|
return array_combine($identifiers, $identifiers);
|
|
}
|
|
|
|
/**
|
|
* Multibyte wrapper for strftime.
|
|
*
|
|
* Handles utf8_encoding the result of strftime when necessary.
|
|
*
|
|
* @param string $format Format string.
|
|
* @param integer $date Timestamp to format.
|
|
* @return string formatted string with correct encoding.
|
|
*/
|
|
protected static function _strftime($format, $date) {
|
|
$format = strftime($format, $date);
|
|
$encoding = Configure::read('App.encoding');
|
|
|
|
if (!empty($encoding) && $encoding === 'UTF-8') {
|
|
if (function_exists('mb_check_encoding')) {
|
|
$valid = mb_check_encoding($format, $encoding);
|
|
} else {
|
|
$valid = !Multibyte::checkMultibyte($format);
|
|
}
|
|
if (!$valid) {
|
|
$format = utf8_encode($format);
|
|
}
|
|
}
|
|
return $format;
|
|
}
|
|
|
|
}
|