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<?php $date = new DateTimeImmutable('2018-01-01'); print_r($date); $date->__construct('1999-01-01'); print_r($date);
Output for 5.5.14 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 8.0.0 - 8.0.12, 8.1rc1 - rc3
DateTimeImmutable Object ( [date] => 2018-01-01 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam ) DateTimeImmutable Object ( [date] => 1999-01-01 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.5.0 - 5.5.13
DateTimeImmutable Object ( [date] => 2018-01-01 00:00:00 [timezone_type] => 3 [timezone] => Europe/Amsterdam ) DateTimeImmutable Object ( [date] => 1999-01-01 00:00:00 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45
Fatal error: Class 'DateTimeImmutable' not found in /in/cg3rE on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Cannot instantiate non-existent class: datetimeimmutable in /in/cg3rE on line 3
Process exited with code 255.
Output for 4.3.1
Fatal error: Cannot instantiate non-existent class: datetimeimmutable in /in/cg3rE on line 3

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