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run code in 150+ php & hhvm versions
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<?php $date = new DateTime(); $new = $date->add(new DateIntervall ('P5i') ); echo $new->format( 'd.m.Y H:i' ); echo $date->format( 'd.m.Y H:i' );
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Class 'DateIntervall' not found in /in/bVfZ1:3 Stack trace: #0 {main} thrown in /in/bVfZ1 on line 3
Process exited with code 255.
Output for hhvm-3.12.0
Fatal error: Class undefined: DateIntervall in /in/bVfZ1 on line 3
Process exited with code 255.
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.3.0 - 5.6.28
Fatal error: Class 'DateIntervall' not found in /in/bVfZ1 on line 3
Process exited with code 255.
Output for 5.2.0 - 5.2.17
Fatal error: Call to undefined method DateTime::add() in /in/bVfZ1 on line 3
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/bVfZ1 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/bVfZ1 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/bVfZ1 on line 2