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run code in 150+ php & hhvm versions
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<?php $a = new DateTime('2011-01-01'); $b = new DateTime(); var_dump($a->diff($b)->day);
based on JX5Tt
Output for 5.3.6 - 5.6.28, 7.0.0 - 7.1.0
Notice: Undefined property: DateInterval::$day in /in/smPmL on line 6 NULL
Output for hhvm-3.10.0 - 3.12.0
Fatal error: Uncaught exception 'Exception' with message 'Undefined property 'day) on DateInterval object' in /in/smPmL:6 Stack trace: #0 /in/smPmL(6): DateInterval->__get() #1 {main}
Process exited with code 255.
Output for 5.3.0 - 5.3.5
Fatal error: main(): Unknown property (day) in /in/smPmL 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/smPmL on line 6
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/smPmL on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_OBJECT_OPERATOR in /in/smPmL on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_OBJECT_OPERATOR in /in/smPmL on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/smPmL on line 6
Process exited with code 255.