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<?php $formatter = new IntlDateFormatter( 'en_US', IntlDateFormatter::FULL, IntlDateFormatter::FULL, 'Europe/London', IntlDateFormatter::GREGORIAN, "'Y" ); echo $formatter->format( new DateTime('2017-12-31 12:00:00', new DateTimeZone('Europe/London')) );
Output for git.master, git.master_jit, rfc.property-hooks
Y

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