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<?php $time1 = strtotime('2017-3-18'); $time2 = strtotime('2017-3-19'); $formater = new \IntlDateFormatter('en_US' . '@calendar=persian' , \IntlDateFormatter::FULL, \IntlDateFormatter::FULL, 'Asia/Tehran', \IntlDateFormatter::TRADITIONAL, 'y-M-d'); echo $formater->format($time1), PHP_EOL; echo $formater->format($time2), PHP_EOL;

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