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Time.php
640 lines (573 loc) · 19.2 KB
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Time.php
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<?php
/**
* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
* Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
*
* Licensed under The MIT License
* For full copyright and license information, please see the LICENSE.txt
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
* @link http://cakephp.org CakePHP(tm) Project
* @since 3.0.0
* @license MIT License (http://www.opensource.org/licenses/mit-license.php)
*/
namespace Cake\Utility;
use Carbon\Carbon;
use IntlDateFormatter;
/**
* Extends the built-in DateTime class to provide handy methods and locale-aware
* formatting helpers
*
*/
class Time extends Carbon {
/**
* The format to use when formatting a time using `Cake\Utility\Time::i18nFormat()`
* and `__toString`
*
* The format should be eiter the formatting constants from IntDateFormatter as
* described in (http://www.php.net/manual/en/class.intldateformatter.php) or a pattern
* as specified in (http://www.icu-project.org/apiref/icu4c/classSimpleDateFormat.html#details)
*
* It is possible to provide an array of 2 constants. In this case, the first position
* will be used for formatting the date part of the object and the second position
* will be used to format the time part.
*
* @var mixed
* @see \Cake\Utility\Time::i18nFormat()
*/
protected static $_toStringFormat = [IntlDateFormatter::SHORT, IntlDateFormatter::SHORT];
/**
* The format to use when formatting a time using `Cake\Utility\Time::nice()`
*
* The format should be eiter the formatting constants from IntDateFormatter as
* described in (http://www.php.net/manual/en/class.intldateformatter.php) or a pattern
* as specified in (http://www.icu-project.org/apiref/icu4c/classSimpleDateFormat.html#details)
*
* It is possible to provide an array of 2 constants. In this case, the first position
* will be used for formatting the date part of the object and the second position
* will be used to format the time part.
*
* @var mixed
* @see \Cake\Utility\Time::nice()
*/
public static $niceFormat = [IntlDateFormatter::MEDIUM, IntlDateFormatter::SHORT];
/**
* The default locale to be used for displaying formatted date strings.
*
* @var string
*/
public static $defaultLocale;
/**
* The format to use when formatting a time using `Cake\Utility\Time::timeAgoInWords()`
* and the difference is more than `Cake\Utility\Time::$wordEnd`
*
* @var string
* @see \Cake\Utility\Time::timeAgoInWords()
*/
public static $wordFormat = 'd/M/YY';
/**
* The format to use when formatting a time using `Time::timeAgoInWords()`
* and the difference is less than `Time::$wordEnd`
*
* @var array
* @see \Cake\Utility\Time::timeAgoInWords()
*/
public static $wordAccuracy = array(
'year' => "day",
'month' => "day",
'week' => "day",
'day' => "hour",
'hour' => "minute",
'minute' => "minute",
'second' => "second",
);
/**
* The end of relative time telling
*
* @var string
* @see \Cake\Utility\Time::timeAgoInWords()
*/
public static $wordEnd = '+1 month';
/**
* {@inheritdoc}
*
*/
public function __construct($time = null, $tz = null) {
if ($time instanceof \DateTime) {
list($time, $tz) = [$dt->format('Y-m-d H:i:s'), $dt->getTimeZone()];
}
if (is_numeric($time)) {
$time = '@' . $time;
}
parent::__construct($time, $tz);
}
/**
* Returns a nicely formatted date string for this object.
*
* The format to be used is stored in the static property `Time::niceFormat`.
*
* @param string|\DateTimeZone $timezone Timezone string or DateTimeZone object
* in which the date will be displayed. The timezone stored for this object will not
* be changed.
* @param $locale The locale name in which the date should be displayed (e.g. pt-BR)
* @return string Formatted date string
*/
public function nice($timezone = null, $locale = null) {
return $this->i18nFormat(static::$niceFormat, $timezone, $locale);
}
/**
* Returns true if this object represents a date within the current week
*
* @return bool
*/
public function isThisWeek() {
return static::now($this->getTimezone())->format('W o') == $this->format('W o');
}
/**
* Returns true if this object represents a date within the current month
*
* @return bool
*/
public function isThisMonth() {
return static::now($this->getTimezone())->format('m Y') == $this->format('m Y');
}
/**
* Returns true if this object represents a date within the current year
*
* @return bool
*/
public function isThisYear() {
return static::now($this->getTimezone())->format('Y') == $this->format('Y');
}
/**
* Returns the quarter
*
* @return mixed 1, 2, 3, or 4 quarter of year or array if $range true
*/
public function toQuarter($range = false) {
$quarter = ceil($this->format('m') / 3);
if ($range === false) {
return $quarter;
}
$year = $this->format('Y');
switch ($quarter) {
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.
*
* @return string Unix timestamp
*/
public function toUnixString() {
return $this->format('U');
}
/**
* Returns either a relative or a formatted absolute date depending
* on the difference between the current time and this object.
*
* ### Options:
*
* - `from` => another Time object representing the "now" time
* - `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
* - `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. Formatting is done internally using
* `i18nFormat`, see the method for the valid formatting strings
*
* 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 array $options Array of options.
* @return string Relative time string.
*/
public function timeAgoInWords(array $options = []) {
$timezone = null;
$format = static::$wordFormat;
$end = static::$wordEnd;
$relativeString = __d('cake', '%s ago');
$absoluteString = __d('cake', 'on %s');
$accuracy = static::$wordAccuracy;
$from = static::now();
$opts = ['timezone', 'format', 'end', 'relativeString', 'absoluteString', 'from'];
foreach ($opts as $option) {
if (isset($options[$option])) {
$$option = $options[$option];
unset($options[$option]);
}
}
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'];
}
}
}
$now = $from->format('U');
$inSeconds = $this->format('U');
$backwards = ($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 - (new static($end))->format('U'))) {
$absoluteTime = new static($inSeconds);
return sprintf($absoluteString, $absoluteTime->i18nFormat($format));
}
// 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 the difference between this date and the provided one in a human
* readable format.
*
* See `Time::timeAgoInWords()` for a full list of options that can be passed
* to this method.
*
* @param \Carbon\Carbon $other the date to diff with
* @param array $options options accepted by timeAgoInWords
* @return string
* @see Time::timeAgoInWords()
*/
public function diffForHumans(Carbon $other = null, array $options = []) {
$options = ['from' => $other] + $options;
return $this->timeAgoInWords($options);
}
/**
* Returns true this instance happened within the specified interval
*
* @param string|int $timeInterval the numeric value with space then time type.
* Example of valid types: 6 hours, 2 days, 1 minute.
* @return bool
*/
public function wasWithinLast($timeInterval) {
$tmp = str_replace(' ', '', $timeInterval);
if (is_numeric($tmp)) {
$timeInterval = $tmp . ' days';
}
$interval = new static('-' . $timeInterval);
$now = new static();
return $this >= $interval && $this <= $now;
}
/**
* Returns true this instance will happen within the specified interval
*
* @param string|int $timeInterval the numeric value with space then time type.
* Example of valid types: 6 hours, 2 days, 1 minute.
* @return bool
*/
public function isWithinNext($timeInterval) {
$tmp = str_replace(' ', '', $timeInterval);
if (is_numeric($tmp)) {
$timeInterval = $tmp . ' days';
}
$interval = new static('+' . $timeInterval);
$now = new static();
return $this <= $interval && $this >= $now;
}
/**
* Returns a formatted string for this time object using the preferred format and
* language for the specified locale.
*
* It is possible to specify the desired format for the string to be displayed.
* You can either pass `IntlDateFormatter` constants as the first argument of this
* function, or pass a full ICU date formatting string as specified in the following
* resource: http://www.icu-project.org/apiref/icu4c/classSimpleDateFormat.html#details.
*
* ## Examples
*
* {{{
* $time = new Time('2014-04-20 22:10');
* $time->i18nFormat(); // outputs '4/20/14, 10:10 PM' for the en-US locale
* $time->i18nFormat(\IntlDateFormatter::FULL); // Use the full date and time format
* $time->i18nFormat([\IntlDateFormatter::FULL, \IntlDateFormatter::Short]); // Use full date but short time format
* $time->i18nFormat('YYYY-MM-dd HH:mm:ss'); // outputs '2014-04-20 22:10'
* }}}
*
* If you wish to control the default format to be used for this method, you can alter
* the value of the static `Time::$defaultLocale` variable and set it to one of the
* possible formats accepted by this function.
*
* You can read about the available IntlDateFormatter constants at
* http://www.php.net/manual/en/class.intldateformatter.php
*
* If you need to display the date in a different timezone than the one being used for
* this Time object without altering its internal state, you can pass a timezone
* string or object as the second parameter.
*
* Finally, should you need to use a different locale for displaying this time object,
* pass a locale string as the third parameter to this function.
*
* ## Examples
*
* {{{
* $time = new Time('2014-04-20 22:10');
* $time->i18nFormat(null, null, 'de-DE');
* $time->i18nFormat(\IntlDateFormatter::FULL, 'Europe/Berlin', 'de-DE');
* }}}
*
* You can control the default locale to be used by setting the static variable
* `Time::$defaultLocale` to a valid locale string. If empty, the default will be
* taken from the `intl.default_locale` ini config.
*
* @param string|int $format
* @param string|\DateTimeZone $timezone Timezone string or DateTimeZone object
* in which the date will be displayed. The timezone stored for this object will not
* be changed.
* @param $locale The locale name in which the date should be displayed (e.g. pt-BR)
* @return string Formatted and translated date string
*/
public function i18nFormat($format = null, $timezone = null, $locale = null) {
$time = $this;
if ($timezone) {
$time = clone $this;
$time->timezone($timezone);
}
$format = $format !== null ? $format : static::$_toStringFormat;
$locale = $locale ?: static::$defaultLocale;
return $this->_formatObject($time, $format, $locale);
}
/**
* Returns a translated and localized date string.
* Implements what IntlDateFormatter::formatObject() is in PHP 5.5+
*
* @param \DateTime $date
* @param string|int|array $format
* @param string $locale
* @return string
*/
protected function _formatObject($date, $format, $locale) {
$pattern = $dateFormat = $timeFormat = $calendar = null;
if (is_array($format)) {
list($dateFormat, $timeFormat) = $format;
} elseif (is_numeric($format)) {
$dateFormat = $format;
} else {
$dateFormat = $timeFormat = IntlDateFormatter::FULL;
$pattern = $format;
}
$timezone = $date->getTimezone()->getName();
$formatter = datefmt_create(
$locale,
$dateFormat,
$timeFormat,
$timezone === '+00:00' ? 'UTC' : $timezone,
$calendar,
$pattern
);
return $formatter->format($date);
}
/**
* {@inheritdoc}
*
*/
public function __toString() {
return $this->i18nFormat();
}
/**
* Get list of timezone identifiers
*
* @param int|string $filter A regex to filter identifer
* Or one of DateTimeZone class constants
* @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
* @param bool $group If true (default value) groups the identifiers list by primary region
* @return array List of timezone identifiers
* @since 2.2
* @link http://book.cakephp.org/2.0/en/core-libraries/helpers/time.html#TimeHelper::listTimezones
*/
public static function listTimezones($filter = null, $country = null, $group = true) {
$regex = null;
if (is_string($filter)) {
$regex = $filter;
$filter = null;
}
if ($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) {
$groupedIdentifiers = array();
foreach ($identifiers as $key => $tz) {
$item = explode('/', $tz, 2);
if (isset($item[1])) {
$groupedIdentifiers[$item[0]][$tz] = $item[1];
} else {
$groupedIdentifiers[$item[0]] = array($tz => $item[0]);
}
}
return $groupedIdentifiers;
}
return array_combine($identifiers, $identifiers);
}
/**
* Resets the format used to the default when converting an instance of this type to
* a string
*
*/
public static function resetToStringFormat() {
static::setToStringFormat([IntlDateFormatter::SHORT, IntlDateFormatter::SHORT]);
}
/**
* Sets the default format used when type converting instances of this type to string
*
* @param string|int $format
*/
public static function setToStringFormat($format) {
static::$_toStringFormat = $format;
}
}