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<?php $dateFrom = new DateTime('2014-01-31'); $dateTo = new DateTime('2014-02-07'); $di = $dateTo->diff($dateFrom); $di = $dateFrom->diff($dateTo); $di = (int)$di->format('%r%a'); var_dump($di);
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
int(7)
Output for 5.2.0 - 5.2.17
Fatal error: Call to undefined method DateTime::diff() in /in/U480s on line 7
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/U480s on line 4
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: datetime in /in/U480s on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: datetime in /in/U480s on line 4