README

This library can be very helpful to standardize date-time formats in your project & get done easy with different clients timezones.

Install

The recommended way to install Dater is through Composer. You can see package information on Packagist.

{
	"require": {
		"dater/dater": "^2.0"
	}
}

Features

For all features using examples see /example/index.php. PHP > 5.3 required.

Timestamp/datetime input formats support

$dater = new Dater\Dater(new Dater\Locale\En());
echo $dater->datetime();
echo $dater->datetime(time());
echo $dater->datetime(date('Y-m-d H:i:s'));

Formats binding

$dater->format(time(), 'd/m/Y'); // 2013/03/14
$dater->setFormat('slashedDate', 'd/m/Y');
$dater->format(time(), 'slashedDate'); // 2013/03/14
$dater->slashedDate(time()); // 2013/03/14

Format options

All date() format options available and can be overrided or extended:

$dater->addFormatOption('ago', function (DateTime $datetime) {
	return floor((time() - $datetime->getTimestamp()) / 86400) . ' days ago';
});
$dater->format(time() - 60*60*24*7, 'd F Y, ago'); // 14 March 2013, 7 days ago

Locales support

$dater->setLocale(new Dater\Locale\En()); // or you can use Dater\Dater::getLocaleByCode('ru')
echo $dater->date(); // 03/21/2013
echo $dater->now('j F Y'); // 21 March 2013

$dater->setLocale(new Dater\Locale\Ru());
echo $dater->date(); // 21.03.2013
echo $dater->now('j F Y'); // 21 марта 2013

Standard server & user format methods

echo $dater->date(); // 03/21/2013 (client timezone, depends on locale)
echo $dater->time(); // 5:41 AM (client timezone, depends on locale)
echo $dater->datetime(); // 03/21/2013 5:41 (client timezone, depends on locale)
echo $dater->isoDate(); // 2013-03-21 (client timezone)
echo $dater->isoTime(); // 05:41:28 (client timezone)
echo $dater->isoDatetime(); // 2013-03-21 05:41:28 (client timezone)
echo $dater->serverDate(); // 2013-03-21 (server timezone)
echo $dater->serverTime(); // 09:41:28 (server timezone)
echo $dater->serverDatetime(); // 2013-03-21 09:41:28 (server timezone)

Native PHP DateTime class object init & formatting

$datetime = $dater->initDatetimeObject('2013-03-21 08:18:06', 'UTC', 'Europe/London');
$datetime->modify('+10 years');
echo $dater->formatDatetimeObject($datetime, 'date'); // 03/21/2013
// or same thing in one line with Dater\Dater :)
echo $dater->modify('2013-03-21 08:18:06', 'date', 'UTC', 'Europe/London'); // 03/21/2013

Timezones conversion

$dater->setServerTimezone('Europe/Moscow');
$dater->setClientTimezone('Europe/London');
echo $dater->serverDatetime(); // 2013-03-21 08:18:06
echo $dater->isoDatetime(); // 2013-03-21 04:18:06
echo $dater->time(); // 04:18

Timezone auto-detection

Based on JavaScript jsTimezoneDetect library with sending result to server by COOKIE.

$timezoneDetector = new Dater\TimezoneDetector();
echo '<html><head>' . $timezoneDetector->getHtmlJsCode() .'</head></html>'; // <script>...</script>
echo $timezoneDetector->getClientTimezone(); // Europe/London

Convert request datetime to server timezone

Is useful to auto-convert all client request datetime data to server timezone.

$_GET = array('filter' => array('startsFrom' => '2012-12-12 12:00:00'));
$_POST = array('event' => array('starts' => '2012-12-12 12:00:00'));
$_REQUEST = array_merge($_GET, $_POST);
$daterDataHandler = new Dater\DataHandler($dater);
$daterDataHandler->convertRequestDataToServerTimezone(); // all '2012-12-12 12:00:00' replaced to '2012-12-12 10:00:00'

Convert text template datetime timezone

Is useful to auto-convert all datetime in template date to client timezone. For example in Email template body.

$data = 'Timestamp format: 1363238564 (will not be handled)
Timestamp format: 1363238564[Y/m/d]
Timestamp format: 1363238564[datetime]
Server datetime format: 2013-03-14 09:22:44[Y/m/d]
Server datetime format: 2013-03-14 09:22:44[time]
Server datetime format: 2013-03-14 09:22:44';
echo $daterDataHandler->handleDataTimezone($data);

Will print:

Timestamp format: 1363238564 (will not be handled)
Timestamp format: 2013/03/14
Timestamp format: 14.03.2013 07:22
Server datetime format: 2013/03/14
Server datetime format: 07:22
Server datetime format: 2013-03-14 07:22:44

Convert output datetime to client timezone

$daterDataHandler->enableOutputTimezoneHandler();
echo $data; // $data from previous example will print the same as in prevous example

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