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<?php $formatter = new IntlDateFormatter( 'ja_JP@calendar=japanese', IntlDateFormatter::FULL, IntlDateFormatter::FULL, 'Europe/Madrid', IntlDateFormatter::TRADITIONAL, 'Gy年M月' ); $ts = $formatter->parse('令和元年8月'); //$ts = $formatter->parse('平成31年8月'); var_dump($ts, date('Y-m', $ts));

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