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<?php var_dump(DateTimeImmutable::createFromFormat('Y-m-d\\TH:i:sp', '2008-03-01T13:00:00K'));
Output for 8.1.29, 8.2.19 - 8.2.21, 8.3.5 - 8.3.10
object(DateTimeImmutable)#1 (3) { ["date"]=> string(26) "2008-03-01 13:00:00.000000" ["timezone_type"]=> int(2) ["timezone"]=> string(1) "K" }
preferences:
43.34 ms | 403 KiB | 14 Q