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<?php $date1 = new DateTime('@0'); $date2 = new DateTime('@0'); var_dump($date1 !== $date2); var_dump($date1 == $date2); var_dump($date1, $date2);
based on ZfPDB
Output for 5.4.30 - 5.4.45, 5.5.14 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
bool(true) bool(true) object(DateTime)#1 (3) { ["date"]=> string(26) "1970-01-01 00:00:00.000000" ["timezone_type"]=> int(1) ["timezone"]=> string(6) "+00:00" } object(DateTime)#2 (3) { ["date"]=> string(26) "1970-01-01 00:00:00.000000" ["timezone_type"]=> int(1) ["timezone"]=> string(6) "+00:00" }
Output for 5.3.0 - 5.4.29, 5.5.0 - 5.5.13
bool(true) bool(true) object(DateTime)#1 (3) { ["date"]=> string(19) "1970-01-01 00:00:00" ["timezone_type"]=> int(1) ["timezone"]=> string(6) "+00:00" } object(DateTime)#2 (3) { ["date"]=> string(19) "1970-01-01 00:00:00" ["timezone_type"]=> int(1) ["timezone"]=> string(6) "+00:00" }
Output for 5.2.0 - 5.2.17
bool(true) bool(true) object(DateTime)#1 (0) { } object(DateTime)#2 (0) { }
Output for 5.0.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/OWYUO on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: datetime in /in/OWYUO on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: datetime in /in/OWYUO on line 3