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<?php
namespace Bitrix\Main\Type;
use Bitrix\Main;
use Bitrix\Main\Context;
class Date
{
/** @var \DateTime */
protected $value;
/**
* @param string $date String representation of date.
* @param string $format PHP date format. If not specified, the format is got from the current culture.
*
* @throws Main\ObjectException
*/
public function __construct($date = null, $format = null)
{
$this->value = new \DateTime();
if ($date !== null && $date !== "")
{
if ($format === null)
{
$format = static::getFormat();
}
$parsedValue = date_parse_from_format($format, $date);
//Ignore errors when format is longer than date
//or date string is longer than format
if ($parsedValue['error_count'] > 1)
{
if (
current($parsedValue['errors']) !== 'Trailing data'
&& current($parsedValue['errors']) !== 'Data missing'
)
{
throw new Main\ObjectException("Incorrect date: ".$date);
}
}
$this->value->setDate($parsedValue['year'], $parsedValue['month'], $parsedValue['day']);
if (
isset($parsedValue["relative"])
&& isset($parsedValue["relative"]["second"])
&& $parsedValue["relative"]["second"] != 0
)
{
$this->value->add(new \DateInterval("PT".$parsedValue["relative"]["second"]."S"));
}
}
$this->value->setTime(0, 0, 0);
}
/**
* Formats date value to string.
*
* @param string $format PHP date format.
*
* @return string
*/
public function format($format)
{
return $this->value->format($format);
}
/**
* Produces the copy of the object.
*
* @return void
*/
public function __clone()
{
$this->value = clone $this->value;
}
/**
* Performs dates arithmetic.
*
* Each duration period is represented by an integer value followed by a period
* designator. If the duration contains time elements, that portion of the
* specification is preceded by the letter T.
* Period Designators: Y - years, M - months, D - days, W - weeks, H - hours,
* M - minutes, S - seconds.
* Examples: two days - 2D, two seconds - T2S, six years and five minutes - 6YT5M.
* The unit types must be entered from the largest scale unit on the left to the
* smallest scale unit on the right.
* Use first "-" char for negative periods.
* OR
* Relative period.
* Examples: "+5 weeks", "12 day", "-7 weekdays", '3 months - 5 days'
*
* @param string $interval Time interval to add.
*
* @return $this
*/
public function add($interval)
{
$i = $this->tryToCreateIntervalByDesignators($interval);
if ($i == null)
{
$i = \DateInterval::createFromDateString($interval);
}
$this->value->add($i);
return $this;
}
/**
* Sets the current date of the DateTime object to a different date.
* @param int $year
* @param int $month
* @param int $day
*
* @return $this
*/
public function setDate($year, $month, $day)
{
$this->value->setDate($year, $month, $day);
return $this;
}
private function tryToCreateIntervalByDesignators($interval)
{
if (!is_string($interval) || strpos($interval, ' ') !== false)
{
return null;
}
$i = null;
try
{
$intervalTmp = strtoupper($interval);
$isNegative = false;
$firstChar = substr($intervalTmp, 0, 1);
if ($firstChar === "-")
{
$isNegative = true;
$intervalTmp = substr($intervalTmp, 1);
$firstChar = substr($intervalTmp, 0, 1);
}
if ($firstChar !== "P")
{
$intervalTmp = "P".$intervalTmp;
}
$i = new \DateInterval($intervalTmp);
if ($isNegative)
{
$i->invert = 1;
}
}
catch (\Exception $e)
{
}
return $i;
}
/**
* Returns Unix timestamp from date.
*
* @return int
*/
public function getTimestamp()
{
return $this->value->getTimestamp();
}
/**
* Returns difference between dates.
*
* @param DateTime $time
* @return \DateInterval
*/
public function getDiff(DateTime $time)
{
return $this->value->diff($time->value);
}
/**
* Converts a date to the string.
*
* @param Context\Culture $culture Culture contains date format.
*
* @return string
*/
public function toString(Context\Culture $culture = null)
{
$format = static::getFormat($culture);
return $this->format($format);
}
/**
* Converts a date to the string with default culture format setting.
*
* @return string
*/
public function __toString()
{
return $this->toString();
}
/**
* Returns a date format from the culture in the php format.
*
* @param Context\Culture $culture Optional culture.
*
* @return string
*/
public static function getFormat(Context\Culture $culture = null)
{
static $defaultCulture = null;
if($culture === null)
{
if($defaultCulture === null)
{
$context = Context::getCurrent();
if($context)
{
$defaultCulture = $context->getCulture();
}
}
$culture = $defaultCulture;
}
$format = static::getCultureFormat($culture);
return static::convertFormatToPhp($format);
}
/**
* Returns short date culture format.
*
* @param Context\Culture $culture Culture.
*
* @return string
*/
protected static function getCultureFormat(Context\Culture $culture = null)
{
if($culture)
{
return $culture->getDateFormat();
}
return "DD.MM.YYYY";
}
/**
* Converts date format from culture to php format.
*
* @param string $format Format string.
*
* @return mixed
*/
public static function convertFormatToPhp($format)
{
static $from = array(
"YYYY", // 1999
"MMMM", // January - December
"MM", // 01 - 12
"DD", // 01 - 31
"TT", // AM - PM
"T", // am - pm
"MI", // 00 - 59
"SS", // 00 - 59
);
static $to = array(
"Y", // 1999
"F", // January - December
"m", // 01 - 12
"d", // 01 - 31
"A", // AM - PM
"a", // am - pm
"i", // 00 - 59
"s", // 00 - 59
);
$format = str_replace($from, $to, $format);
$tempFormat = $format;
$format = str_replace("HH", "H", $format); // 00 - 24
if ($tempFormat === $format)
{
$format = str_replace("H", "h", $format); // 01 - 12
}
$tempFormat = $format;
$format = str_replace("GG", "G", $format); // 0 - 24
if ($tempFormat === $format)
{
$format = str_replace("G", "g", $format); // 1 - 12
}
return $format;
}
/**
* Checks the string for correct date (by trying to create Date object).
*
* @param string $time String representation of date.
* @param string $format PHP date format. If not specified, the format is got from the current culture.
*
* @return bool
*/
public static function isCorrect($time, $format = null)
{
if (empty($time))
{
return false;
}
$result = true;
try
{
new static($time, $format);
}
catch (Main\ObjectException $ex)
{
$result = false;
}
return $result;
}
/**
* Creates Date object from PHP \DateTime object.
*
* @param \DateTime $datetime Source object.
*
* @return static
*/
public static function createFromPhp(\DateTime $datetime)
{
/** @var Date $d */
$d = new static();
$d->value = clone $datetime;
$d->value->setTime(0, 0, 0);
return $d;
}
/**
* Creates Date object from Unix timestamp.
*
* @param int $timestamp Source timestamp.
*
* @return static
*/
public static function createFromTimestamp($timestamp)
{
/** @var Date $d */
$d = new static();
$d->value->setTimestamp($timestamp);
$d->value->setTime(0, 0, 0);
return $d;
}
/**
* Creates Date object from Text (return array of result object)
* Examples: "end of next week", "tomorrow morning", "friday 25.10"
*
* @param string $text
* @return \Bitrix\Main\Type\DateTime|null
*/
public static function createFromText($text)
{
$result = Main\Text\DateConverter::decode($text);
if (empty($result))
{
return null;
}
return $result[0]->getDate();
}
}