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run code in 200+ php & hhvm versions
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<?php $datetime1 = new DateTime('2009-10-11'); $datetime2 = new DateTime('2009-10-13'); $interval = $datetime1->diff($datetime2); echo $interval->invert(); echo $interval->format('%R%a days');
Output for 7.0.0 - 7.3.0rc4
Fatal error: Uncaught Error: Call to undefined method DateInterval::invert() in /in/dUOqW:6 Stack trace: #0 {main} thrown in /in/dUOqW on line 6
Process exited with code 255.
Output for hhvm-3.22.0
Fatal error: Uncaught Error: Call to undefined method DateInterval::invert() in /in/dUOqW:-1 Stack trace: #0 {main}
Process exited with code 255.
Output for hhvm-3.11.1 - 3.21.3
Fatal error: Uncaught Error: Call to undefined method DateInterval::invert() in /in/dUOqW:6 Stack trace: #0 {main}
Process exited with code 255.
Output for 5.3.0 - 5.6.38, hhvm-3.10.1
Fatal error: Call to undefined method DateInterval::invert() in /in/dUOqW on line 6
Process exited with code 255.
Output for 5.2.0 - 5.2.17
Fatal error: Call to undefined method DateTime::diff() in /in/dUOqW on line 5
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/dUOqW 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/dUOqW 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/dUOqW on line 3