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<?php print_r(new DateTimeImmutable('yesterday'));
Output for 5.6.28, 7.0.20 - 7.2.0
DateTimeImmutable Object ( [date] => 2016-01-25 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 7.0.6
DateTimeImmutable Object ( [date] => 2016-05-20 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 7.0.5
DateTimeImmutable Object ( [date] => 2016-04-02 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 7.0.4
DateTimeImmutable Object ( [date] => 2016-03-09 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 7.0.3
DateTimeImmutable Object ( [date] => 2016-03-17 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 7.0.2
DateTimeImmutable Object ( [date] => 2016-03-22 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 7.0.1
DateTimeImmutable Object ( [date] => 2016-03-23 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 7.0.0
DateTimeImmutable Object ( [date] => 2016-03-26 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.6.21
DateTimeImmutable Object ( [date] => 2016-05-01 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.6.20
DateTimeImmutable Object ( [date] => 2016-04-09 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.6.19
DateTimeImmutable Object ( [date] => 2016-03-07 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.6.18
DateTimeImmutable Object ( [date] => 2016-03-14 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.6.17
DateTimeImmutable Object ( [date] => 2016-03-19 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.6.16
DateTimeImmutable Object ( [date] => 2016-03-27 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.6.15
DateTimeImmutable Object ( [date] => 2016-03-28 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.6.14
DateTimeImmutable Object ( [date] => 2016-04-13 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.6.13
DateTimeImmutable Object ( [date] => 2016-04-14 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.6.12
DateTimeImmutable Object ( [date] => 2016-04-19 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.6.11
DateTimeImmutable Object ( [date] => 2016-04-23 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.6.10
DateTimeImmutable Object ( [date] => 2016-04-24 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.6.9
DateTimeImmutable Object ( [date] => 2016-04-26 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.6.8
DateTimeImmutable Object ( [date] => 2016-04-29 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.5.35
DateTimeImmutable Object ( [date] => 2016-05-22 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.5.34
DateTimeImmutable Object ( [date] => 2016-04-10 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.5.33
DateTimeImmutable Object ( [date] => 2016-03-08 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.5.32
DateTimeImmutable Object ( [date] => 2016-03-16 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.5.31
DateTimeImmutable Object ( [date] => 2016-03-20 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.5.30
DateTimeImmutable Object ( [date] => 2016-03-31 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.5.29
DateTimeImmutable Object ( [date] => 2016-04-16 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.5.28
DateTimeImmutable Object ( [date] => 2016-04-20 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.5.27
DateTimeImmutable Object ( [date] => 2016-04-21 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.5.26
DateTimeImmutable Object ( [date] => 2016-04-25 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.5.25
DateTimeImmutable Object ( [date] => 2016-04-28 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.5.24
DateTimeImmutable Object ( [date] => 2016-05-23 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.3.22 - 5.4.45
Fatal error: Class 'DateTimeImmutable' not found in /in/mWkX3 on line 3
Process exited with code 255.