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<?php $date = new DateTime("1899-12-31"); // "-2209078800" var_dump($date->format("U")); // false var_dump($date->getTimestamp());
Output for 5.3.0 - 7.1.0
string(11) "-2209076372" int(-2209076372)
Output for 5.2.0 - 5.2.17
string(11) "-2209076372" Fatal error: Call to undefined method DateTime::getTimestamp() in /in/UKJZA on line 6
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/UKJZA on line 2
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: datetime in /in/UKJZA on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: datetime in /in/UKJZA on line 2