Timestamp.php
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<?php
/**
* This file is part of the Carbon package.
*
* (c) Brian Nesbitt <brian@nesbot.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Carbon\Traits;
use Carbon\CarbonInterface;
/**
* Trait Timestamp.
*/
trait Timestamp
{
/**
* Create a Carbon instance from a timestamp.
*
* @param int $timestamp
* @param \DateTimeZone|string|null $tz
*
* @return static|CarbonInterface
*/
public static function createFromTimestamp($timestamp, $tz = null)
{
return static::today($tz)->setTimestamp($timestamp);
}
/**
* Create a Carbon instance from a timestamp in milliseconds.
*
* @param int $timestamp
* @param \DateTimeZone|string|null $tz
*
* @return static|CarbonInterface
*/
public static function createFromTimestampMs($timestamp, $tz = null)
{
return static::rawCreateFromFormat('U.u', sprintf('%F', $timestamp / 1000))
->setTimezone($tz);
}
/**
* Create a Carbon instance from an UTC timestamp.
*
* @param int $timestamp
*
* @return static|CarbonInterface
*/
public static function createFromTimestampUTC($timestamp)
{
return new static('@'.$timestamp);
}
/**
* Set the instance's timestamp.
*
* @param int $value
*
* @return static|CarbonInterface
*/
public function timestamp($value)
{
return $this->setTimestamp($value);
}
/**
* Returns a timestamp rounded with the given precision (6 by default).
*
* @example getPreciseTimestamp() 1532087464437474 (microsecond maximum precision)
* @example getPreciseTimestamp(6) 1532087464437474
* @example getPreciseTimestamp(5) 153208746443747 (1/100000 second precision)
* @example getPreciseTimestamp(4) 15320874644375 (1/10000 second precision)
* @example getPreciseTimestamp(3) 1532087464437 (millisecond precision)
* @example getPreciseTimestamp(2) 153208746444 (1/100 second precision)
* @example getPreciseTimestamp(1) 15320874644 (1/10 second precision)
* @example getPreciseTimestamp(0) 1532087464 (second precision)
* @example getPreciseTimestamp(-1) 153208746 (10 second precision)
* @example getPreciseTimestamp(-2) 15320875 (100 second precision)
*
* @param int $precision
*
* @return float
*/
public function getPreciseTimestamp($precision = 6)
{
return round($this->rawFormat('Uu') / pow(10, 6 - $precision));
}
/**
* Returns the milliseconds timestamps used amongst other by Date javascript objects.
*
* @return float
*/
public function valueOf()
{
return $this->getPreciseTimestamp(3);
}
/**
* @alias getTimestamp
*
* Returns the UNIX timestamp for the current date.
*
* @return int
*/
public function unix()
{
return $this->getTimestamp();
}
}