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<?php var_dump(DateTime::createFromFormat('Y-m-d\TH:i:sP[e]', '2022-02-18T00:00:00+01:00[Europe/Berlin]'));
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.13, 8.2.0
bool(false)
Output for 8.1.14 - 8.1.34, 8.2.1 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0 - 8.5.11
object(DateTime)#1 (3) { ["date"]=> string(26) "2022-02-18 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(13) "Europe/Berlin" }

preferences:
31.56 ms | 1147 KiB | 12 Q