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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
declare(strict_types=1);
namespace Magento\Framework\Stdlib\DateTime\Intl;
/**
* Class to get Intl date formatter by locale
*/
class DateFormatterFactory
{
/**
* Custom date formats by locale
*/
private const CUSTOM_DATE_FORMATS = [
'ar_SA' => [
\IntlDateFormatter::SHORT => 'd/MM/y',
]
];
/**
* Create Intl Date formatter
*
* The Intl Date formatter gives date formats by ICU standard.
* http://userguide.icu-project.org/formatparse/datetime
*
* @param string $locale
* @param int $dateStyle
* @param int $timeStyle
* @param string|null $timeZone
* @param bool $useFourDigitsForYear
* @return \IntlDateFormatter
*/
public function create(
string $locale,
int $dateStyle,
int $timeStyle,
?string $timeZone = null,
bool $useFourDigitsForYear = true
): \IntlDateFormatter {
$formatter = new \IntlDateFormatter(
$locale,
$dateStyle,
$timeStyle,
$timeZone
);
/**
* Process custom date formats
*/
$customDateFormat = $this->getCustomDateFormat($locale, $dateStyle, $timeStyle);
if ($customDateFormat !== null) {
$formatter->setPattern($customDateFormat);
} elseif ($dateStyle === \IntlDateFormatter::SHORT && $useFourDigitsForYear) {
/**
* Gives 4 places for year value in short style
*/
$longYearPattern = $this->setFourYearPlaces((string)$formatter->getPattern());
$formatter->setPattern($longYearPattern);
}
return $formatter;
}
/**
* Get custom date format if it exists
*
* @param string $locale
* @param int $dateStyle
* @param int $timeStyle
* @return string
*/
private function getCustomDateFormat(string $locale, int $dateStyle, int $timeStyle): ?string
{
$customDateFormat = null;
if ($dateStyle !== \IntlDateFormatter::NONE && isset(self::CUSTOM_DATE_FORMATS[$locale][$dateStyle])) {
$customDateFormat = self::CUSTOM_DATE_FORMATS[$locale][$dateStyle];
if ($timeStyle !== \IntlDateFormatter::NONE) {
$timeFormat = (new \IntlDateFormatter($locale, \IntlDateFormatter::NONE, $timeStyle))
->getPattern();
$customDateFormat .= ' ' . $timeFormat;
}
}
return $customDateFormat;
}
/**
* Set 4 places for year value in format string
*
* @param string $format
* @return string
*/
private function setFourYearPlaces(string $format): string
{
return preg_replace(
'/(?<!y)yy(?!y)/',
'y',
$format
);
}
}