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<?php
namespace Jasny\Twig;
/**
* Format a date based on the current locale in Twig
*/
class DateExtension extends \Twig_Extension
{
/**
* Class constructor
*/
public function __construct()
{
if (!extension_loaded('intl')) {
throw new \Exception("The Date Twig extension requires the 'intl' PHP extension."); // @codeCoverageIgnore
}
}
/**
* Return extension name
*
* @return string
*/
public function getName()
{
return 'jasny/date';
}
/**
* Callback for Twig to get all the filters.
*
* @return \Twig_SimpleFilter[]
*/
public function getFilters()
{
return [
new \Twig_SimpleFilter('localdate', [$this, 'localDate']),
new \Twig_SimpleFilter('localtime', [$this, 'localTime']),
new \Twig_SimpleFilter('localdatetime', [$this, 'localDateTime']),
new \Twig_SimpleFilter('duration', [$this, 'duration']),
new \Twig_SimpleFilter('age', [$this, 'age']),
];
}
/**
* Turn a value into a DateTime object
*
* @param string|int|\DateTime $date
* @return \DateTime
*/
protected function valueToDateTime($date)
{
if (!$date instanceof \DateTime) {
$date = is_int($date) ? \DateTime::createFromFormat('U', $date) : new \DateTime((string)$date);
}
return $date;
}
/**
* Get configured intl date formatter.
*
* @param string|null $dateFormat
* @param string|null $timeFormat
* @param string $calendar
* @return \IntlDateFormatter
*/
protected function getDateFormatter($dateFormat, $timeFormat, $calendar)
{
$datetype = isset($dateFormat) ? $this->getFormat($dateFormat) : null;
$timetype = isset($timeFormat) ? $this->getFormat($timeFormat) : null;
$calendarConst = $calendar === 'traditional' ? \IntlDateFormatter::TRADITIONAL : \IntlDateFormatter::GREGORIAN;
$pattern = $this->getDateTimePattern(
isset($datetype) ? $datetype : $dateFormat,
isset($timetype) ? $timetype : $timeFormat,
$calendarConst
);
return new \IntlDateFormatter(\Locale::getDefault(), $datetype, $timetype, null, $calendarConst, $pattern);
}
/**
* Format the date/time value as a string based on the current locale
*
* @param string|false $format 'short', 'medium', 'long', 'full', 'none' or false
* @return int|null
*/
protected function getFormat($format)
{
if ($format === false) {
$format = 'none';
}
$types = [
'none' => \IntlDateFormatter::NONE,
'short' => \IntlDateFormatter::SHORT,
'medium' => \IntlDateFormatter::MEDIUM,
'long' => \IntlDateFormatter::LONG,
'full' => \IntlDateFormatter::FULL
];
return isset($types[$format]) ? $types[$format] : null;
}
/**
* Get the date/time pattern.
*
* @param int|string $datetype
* @param int|string $timetype
* @param int $calendar
* @return string
*/
protected function getDateTimePattern($datetype, $timetype, $calendar = \IntlDateFormatter::GREGORIAN)
{
if (is_int($datetype) && is_int($timetype)) {
return null;
}
return $this->getDatePattern(
isset($datetype) ? $datetype : \IntlDateFormatter::SHORT,
isset($timetype) ? $timetype : \IntlDateFormatter::SHORT,
$calendar
);
}
/**
* Get the formatter to create a date and/or time pattern
*
* @param int|string $datetype
* @param int|string $timetype
* @param int $calendar
* @return \IntlDateFormatter
*/
protected function getDatePatternFormatter($datetype, $timetype, $calendar = \IntlDateFormatter::GREGORIAN)
{
return \IntlDateFormatter::create(
\Locale::getDefault(),
is_int($datetype) ? $datetype : \IntlDateFormatter::NONE,
is_int($timetype) ? $timetype : \IntlDateFormatter::NONE,
\IntlTimeZone::getGMT(),
$calendar
);
}
/**
* Get the date and/or time pattern
* Default date pattern is short date pattern with 4 digit year.
*
* @param int|string $datetype
* @param int|string $timetype
* @param int $calendar
* @return string
*/
protected function getDatePattern($datetype, $timetype, $calendar = \IntlDateFormatter::GREGORIAN)
{
$createPattern =
(is_int($datetype) && $datetype !== \IntlDateFormatter::NONE) ||
(is_int($timetype) && $timetype !== \IntlDateFormatter::NONE);
$pattern = $createPattern ? $this->getDatePatternFormatter($datetype, $timetype, $calendar)->getPattern() : '';
return trim(
(is_string($datetype) ? $datetype . ' ' : '') .
preg_replace('/\byy?\b/', 'yyyy', $pattern) .
(is_string($timetype) ? ' ' . $timetype : '')
);
}
/**
* Format the date and/or time value as a string based on the current locale
*
* @param \DateTime|int|string $value
* @param string $dateFormat null, 'short', 'medium', 'long', 'full' or pattern
* @param string $timeFormat null, 'short', 'medium', 'long', 'full' or pattern
* @param string $calendar 'gregorian' or 'traditional'
* @return string
*/
protected function formatLocal($value, $dateFormat, $timeFormat, $calendar = 'gregorian')
{
if (!isset($value)) {
return null;
}
$date = $this->valueToDateTime($value);
$formatter = $this->getDateFormatter($dateFormat, $timeFormat, $calendar);
return $formatter->format($date->getTimestamp());
}
/**
* Format the date value as a string based on the current locale
*
* @param DateTime|int|string $date
* @param string $format null, 'short', 'medium', 'long', 'full' or pattern
* @param string $calendar 'gregorian' or 'traditional'
* @return string
*/
public function localDate($date, $format = null, $calendar = 'gregorian')
{
return $this->formatLocal($date, $format, false, $calendar);
}
/**
* Format the time value as a string based on the current locale
*
* @param DateTime|int|string $date
* @param string $format 'short', 'medium', 'long', 'full' or pattern
* @param string $calendar 'gregorian' or 'traditional'
* @return string
*/
public function localTime($date, $format = 'short', $calendar = 'gregorian')
{
return $this->formatLocal($date, false, $format, $calendar);
}
/**
* Format the date/time value as a string based on the current locale
*
* @param DateTime|int|string $date
* @param string $format date format, pattern or ['date'=>format, 'time'=>format)
* @param string $calendar 'gregorian' or 'traditional'
* @return string
*/
public function localDateTime($date, $format = null, $calendar = 'gregorian')
{
if (is_array($format) || $format instanceof \stdClass || !isset($format)) {
$formatDate = isset($format['date']) ? $format['date'] : null;
$formatTime = isset($format['time']) ? $format['time'] : 'short';
} else {
$formatDate = $format;
$formatTime = false;
}
return $this->formatLocal($date, $formatDate, $formatTime, $calendar);
}
/**
* Split duration into seconds, minutes, hours, days, weeks and years.
*
* @param int $seconds
* @return array
*/
protected function splitDuration($seconds, $max)
{
if ($max < 1 || $seconds < 60) {
return [$seconds];
}
$minutes = floor($seconds / 60);
$seconds = $seconds % 60;
if ($max < 2 || $minutes < 60) {
return [$seconds, $minutes];
}
$hours = floor($minutes / 60);
$minutes = $minutes % 60;
if ($max < 3 || $hours < 24) {
return [$seconds, $minutes, $hours];
}
$days = floor($hours / 24);
$hours = $hours % 24;
if ($max < 4 || $days < 7) {
return [$seconds, $minutes, $hours, $days];
}
$weeks = floor($days / 7);
$days = $days % 7;
if ($max < 5 || $weeks < 52) {
return [$seconds, $minutes, $hours, $days, $weeks];
}
$years = floor($weeks / 52);
$weeks = $weeks % 52;
return [$seconds, $minutes, $hours, $days, $weeks, $years];
}
/**
* Calculate duration from seconds.
* One year is seen as exactly 52 weeks.
*
* Use null to skip a unit.
*
* @param int $value Time in seconds
* @param array $units Time units (seconds, minutes, hours, days, weeks, years)
* @param string $separator
* @return string
*/
public function duration($value, $units = ['s', 'm', 'h', 'd', 'w', 'y'], $separator = ' ')
{
if (!isset($value)) {
return null;
}
list($seconds, $minutes, $hours, $days, $weeks, $years) =
$this->splitDuration($value, count($units) - 1) + array_fill(0, 6, null);
$duration = '';
if (isset($years) && isset($units[5])) {
$duration .= $separator . $years . $units[5];
}
if (isset($weeks) && isset($units[4])) {
$duration .= $separator . $weeks . $units[4];
}
if (isset($days) && isset($units[3])) {
$duration .= $separator . $days . $units[3];
}
if (isset($hours) && isset($units[2])) {
$duration .= $separator . $hours . $units[2];
}
if (isset($minutes) && isset($units[1])) {
$duration .= $separator . $minutes . $units[1];
}
if (isset($seconds) && isset($units[0])) {
$duration .= $separator . $seconds . $units[0];
}
return trim($duration, $separator);
}
/**
* Get the age (in years) based on a date.
*
* @param DateTime|string $value
* @return int
*/
public function age($value)
{
if (!isset($value)) {
return null;
}
$date = $this->valueToDateTime($value);
return $date->diff(new \DateTime())->format('%y');
}
}