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run code in 200+ php & hhvm versions
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<?php $d1 = new DateTime('2015-03-01'); $d2 = new DateTime('2015-03-21'); var_dump($d2->diff($d1)->days);
based on KDOhv
Output for 5.3.0 - 7.2.0
int(20)
Output for 5.2.0 - 5.2.17
Fatal error: Call to undefined method DateTime::diff() in /in/NiYAi on line 5
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/NiYAi 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/NiYAi on line 5
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/NiYAi on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/NiYAi on line 5
Process exited with code 255.