<?php
namespace Faker\Provider;
class DateTime extends Base
{
protected static $century = ['I', 'II', 'III', 'IV', 'V', 'VI', 'VII', 'VIII', 'IX', 'X', 'XI', 'XII', 'XIII', 'XIV', 'XV', 'XVI', 'XVII', 'XVIII', 'XIX', 'XX', 'XXI'];
protected static $defaultTimezone = null;
/**
* @param \DateTime|float|int|string $max
*
* @return false|int
*/
protected static function getMaxTimestamp($max = 'now')
{
if (is_numeric($max)) {
return (int) $max;
}
if ($max instanceof \DateTime) {
return $max->getTimestamp();
}
return strtotime(empty($max) ? 'now' : $max);
}
/**
* Get a timestamp between January 1, 1970, and now
*
* @param \DateTime|int|string $max maximum timestamp used as random end limit, default to "now"
*
* @return int
*
* @example 1061306726
*/
public static function unixTime($max = 'now')
{
return self::numberBetween(0, static::getMaxTimestamp($max));
}
/**
* Get a datetime object for a date between January 1, 1970 and now
*
* @param \DateTime|int|string $max maximum timestamp used as random end limit, default to "now"
* @param string $timezone time zone in which the date time should be set, default to DateTime::$defaultTimezone, if set, otherwise the result of `date_default_timezone_get`
*
* @return \DateTime
*
* @see http://php.net/manual/en/timezones.php
* @see http://php.net/manual/en/function.date-default-timezone-get.php
*
* @example DateTime('2005-08-16 20:39:21')
*/
public static function dateTime($max = 'now', $timezone = null)
{
return static::setTimezone(
new \DateTime('@' . static::unixTime($max)),
$timezone,
);
}
/**
* Get a datetime object for a date between January 1, 001 and now
*
* @param \DateTime|int|string $max maximum timestamp used as random end limit, default to "now"
* @param string|null $timezone time zone in which the date time should be set, default to DateTime::$defaultTimezone, if set, otherwise the result of `date_default_timezone_get`
*
* @return \DateTime
*
* @see http://php.net/manual/en/timezones.php
* @see http://php.net/manual/en/function.date-default-timezone-get.php
*
* @example DateTime('1265-03-22 21:15:52')
*/
public static function dateTimeAD($max = 'now', $timezone = null)
{
$min = (PHP_INT_SIZE > 4 ? -62135597361 : -PHP_INT_MAX);
return static::setTimezone(
new \DateTime('@' . self::numberBetween($min, static::getMaxTimestamp($max))),
$timezone,
);
}
/**
* get a date string formatted with ISO8601
*
* @param \DateTime|int|string $max maximum timestamp used as random end limit, default to "now"
*
* @return string
*
* @example '2003-10-21T16:05:52+0000'
*/
public static function iso8601($max = 'now')
{
return static::date(\DateTime::ISO8601, $max);
}
/**
* Get a date string between January 1, 1970 and now
*
* @param string $format
* @param \DateTime|int|string $max maximum timestamp used as random end limit, default to "now"
*
* @return string
*
* @example '2008-11-27'
*/
public static function date($format = 'Y-m-d', $max = 'now')
{
return static::dateTime($max)->format($format);
}
/**
* Get a time string (24h format by default)
*
* @param string $format
* @param \DateTime|int|string $max maximum timestamp used as random end limit, default to "now"
*
* @return string
*
* @example '15:02:34'
*/
public static function time($format = 'H:i:s', $max = 'now')
{
return static::dateTime($max)->format($format);
}
/**
* Get a DateTime object based on a random date between two given dates.
* Accepts date strings that can be recognized by strtotime().
*
* @param \DateTime|string $startDate Defaults to 30 years ago
* @param \DateTime|string $endDate Defaults to "now"
* @param string|null $timezone time zone in which the date time should be set, default to DateTime::$defaultTimezone, if set, otherwise the result of `date_default_timezone_get`
*
* @return \DateTime
*
* @see http://php.net/manual/en/timezones.php
* @see http://php.net/manual/en/function.date-default-timezone-get.php
*
* @example DateTime('1999-02-02 11:42:52')
*/
public static function dateTimeBetween($startDate = '-30 years', $endDate = 'now', $timezone = null)
{
$startTimestamp = $startDate instanceof \DateTime ? $startDate->getTimestamp() : strtotime($startDate);
$endTimestamp = static::getMaxTimestamp($endDate);
if ($startTimestamp > $endTimestamp) {
throw new \InvalidArgumentException('Start date must be anterior to end date.');
}
$timestamp = self::numberBetween($startTimestamp, $endTimestamp);
return static::setTimezone(
new \DateTime('@' . $timestamp),
$timezone,
);
}
/**
* Get a DateTime object based on a random date between one given date and
* an interval
* Accepts date string that can be recognized by strtotime().
*
* @param \DateTime|string $date Defaults to 30 years ago
* @param string $interval Defaults to 5 days after
* @param string|null $timezone time zone in which the date time should be set, default to DateTime::$defaultTimezone, if set, otherwise the result of `date_default_timezone_get`
*
* @return \DateTime
*
* @example dateTimeInInterval('1999-02-02 11:42:52', '+ 5 days')
*
* @see http://php.net/manual/en/timezones.php
* @see http://php.net/manual/en/function.date-default-timezone-get.php
*/
public static function dateTimeInInterval($date = '-30 years', $interval = '+5 days', $timezone = null)
{
$intervalObject = \DateInterval::createFromDateString($interval);
$datetime = $date instanceof \DateTime ? $date : new \DateTime($date);
$otherDatetime = clone $datetime;
$otherDatetime->add($intervalObject);
$begin = min($datetime, $otherDatetime);
$end = $datetime === $begin ? $otherDatetime : $datetime;
return static::dateTimeBetween(
$begin,
$end,
$timezone,
);
}
/**
* Get a date time object somewhere within a century.
*
* @param \DateTime|int|string $max maximum timestamp used as random end limit, default to "now"
* @param string|null $timezone time zone in which the date time should be set, default to DateTime::$defaultTimezone, if set, otherwise the result of `date_default_timezone_get`
*
* @return \DateTime
*/
public static function dateTimeThisCentury($max = 'now', $timezone = null)
{
return static::dateTimeBetween('-100 year', $max, $timezone);
}
/**
* Get a date time object somewhere within a decade.
*
* @param \DateTime|int|string $max maximum timestamp used as random end limit, default to "now"
* @param string|null $timezone time zone in which the date time should be set, default to DateTime::$defaultTimezone, if set, otherwise the result of `date_default_timezone_get`
*
* @return \DateTime
*/
public static function dateTimeThisDecade($max = 'now', $timezone = null)
{
return static::dateTimeBetween('-10 year', $max, $timezone);
}
/**
* Get a date time object somewhere inside the current year.
*
* @param \DateTime|int|string $max maximum timestamp used as random end limit, default to "now"
* @param string|null $timezone time zone in which the date time should be set, default to DateTime::$defaultTimezone, if set, otherwise the result of `date_default_timezone_get`
*
* @return \DateTime
*/
public static function dateTimeThisYear($max = 'now', $timezone = null)
{
return static::dateTimeBetween('first day of january this year', $max, $timezone);
}
/**
* Get a date time object somewhere within a month.
*
* @param \DateTime|int|string $max maximum timestamp used as random end limit, default to "now"
* @param string|null $timezone time zone in which the date time should be set, default to DateTime::$defaultTimezone, if set, otherwise the result of `date_default_timezone_get`
*
* @return \DateTime
*/
public static function dateTimeThisMonth($max = 'now', $timezone = null)
{
return static::dateTimeBetween('-1 month', $max, $timezone);
}
/**
* Get a string containing either "am" or "pm".
*
* @param \DateTime|int|string $max maximum timestamp used as random end limit, default to "now"
*
* @return string
*
* @example 'am'
*/
public static function amPm($max = 'now')
{
return static::dateTime($max)->format('a');
}
/**
* @param \DateTime|int|string $max maximum timestamp used as random end limit, default to "now"
*
* @return string
*
* @example '22'
*/
public static function dayOfMonth($max = 'now')
{
return static::dateTime($max)->format('d');
}
/**
* @param \DateTime|int|string $max maximum timestamp used as random end limit, default to "now"
*
* @return string
*
* @example 'Tuesday'
*/
public static function dayOfWeek($max = 'now')
{
return static::dateTime($max)->format('l');
}
/**
* @param \DateTime|int|string $max maximum timestamp used as random end limit, default to "now"
*
* @return string
*
* @example '7'
*/
public static function month($max = 'now')
{
return static::dateTime($max)->format('m');
}
/**
* @param \DateTime|int|string $max maximum timestamp used as random end limit, default to "now"
*
* @return string
*
* @example 'September'
*/
public static function monthName($max = 'now')
{
return static::dateTime($max)->format('F');
}
/**
* @param \DateTime|int|string $max maximum timestamp used as random end limit, default to "now"
*
* @return string
*
* @example '1987'
*/
public static function year($max = 'now')
{
return static::dateTime($max)->format('Y');
}
/**
* @return string
*
* @example 'XVII'
*/
public static function century()
{
return static::randomElement(static::$century);
}
/**
* @return string
*
* @example 'Europe/Paris'
*/
public static function timezone(string $countryCode = null)
{
if ($countryCode) {
$timezones = \DateTimeZone::listIdentifiers(\DateTimeZone::PER_COUNTRY, $countryCode);
} else {
$timezones = \DateTimeZone::listIdentifiers();
}
return static::randomElement($timezones);
}
/**
* Internal method to set the time zone on a DateTime.
*
* @param string|null $timezone
*
* @return \DateTime
*/
private static function setTimezone(\DateTime $dt, $timezone)
{
return $dt->setTimezone(new \DateTimeZone(static::resolveTimezone($timezone)));
}
/**
* Sets default time zone.
*
* @param string $timezone
*/
public static function setDefaultTimezone($timezone = null)
{
static::$defaultTimezone = $timezone;
}
/**
* Gets default time zone.
*
* @return string|null
*/
public static function getDefaultTimezone()
{
return static::$defaultTimezone;
}
/**
* @param string|null $timezone
*
* @return string|null
*/
private static function resolveTimezone($timezone)
{
return (null === $timezone) ? ((null === static::$defaultTimezone) ? date_default_timezone_get() : static::$defaultTimezone) : $timezone;
}
}
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