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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\I18n\View\Helper;
use DateTime;
use IntlDateFormatter;
use Locale;
use Zend\I18n\Exception;
use Zend\View\Helper\AbstractHelper;
/**
* View helper for formatting dates.
*/
class DateFormat extends AbstractHelper
{
/**
* Locale to use instead of the default
*
* @var string
*/
protected $locale;
/**
* Timezone to use
*
* @var string
*/
protected $timezone;
/**
* Formatter instances
*
* @var array
*/
protected $formatters = array();
/**
* @throws Exception\ExtensionNotLoadedException if ext/intl is not present
*/
public function __construct()
{
if (!extension_loaded('intl')) {
throw new Exception\ExtensionNotLoadedException(sprintf(
'%s component requires the intl PHP extension',
__NAMESPACE__
));
}
}
/**
* Format a date
*
* @param DateTime|int|array $date
* @param int $dateType
* @param int $timeType
* @param string $locale
* @param string|null $pattern
* @return string
*/
public function __invoke(
$date,
$dateType = IntlDateFormatter::NONE,
$timeType = IntlDateFormatter::NONE,
$locale = null,
$pattern = null
) {
if ($locale === null) {
$locale = $this->getLocale();
}
$timezone = $this->getTimezone();
$formatterId = md5($dateType . "\0" . $timeType . "\0" . $locale ."\0" . $pattern);
if (!isset($this->formatters[$formatterId])) {
$this->formatters[$formatterId] = new IntlDateFormatter(
$locale,
$dateType,
$timeType,
$timezone,
IntlDateFormatter::GREGORIAN,
$pattern
);
}
return $this->formatters[$formatterId]->format($date);
}
/**
* Set locale to use instead of the default
*
* @param string $locale
* @return DateFormat
*/
public function setLocale($locale)
{
$this->locale = (string) $locale;
return $this;
}
/**
* Get the locale to use
*
* @return string|null
*/
public function getLocale()
{
if ($this->locale === null) {
$this->locale = Locale::getDefault();
}
return $this->locale;
}
/**
* Set timezone to use instead of the default
*
* @param string $timezone
* @return DateFormat
*/
public function setTimezone($timezone)
{
$this->timezone = (string) $timezone;
// The method setTimeZoneId is deprecated as of PHP 5.5.0
$setTimeZoneMethodName = (PHP_VERSION_ID < 50500) ? 'setTimeZoneId' : 'setTimeZone';
foreach ($this->formatters as $formatter) {
$formatter->$setTimeZoneMethodName($this->timezone);
}
return $this;
}
/**
* Get the timezone to use
*
* @return string|null
*/
public function getTimezone()
{
if (!$this->timezone) {
return date_default_timezone_get();
}
return $this->timezone;
}
}
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