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run code in 200+ php & hhvm versions
Bugs & Features
<?php $dt = new DateTime(null, new DateTimeZone('UTC')); var_dump(constant(sprintf('%s::ISO8601', get_class($dt))));
based on koLuF
Output for 5.2.0 - 7.2.0
string(13) "Y-m-d\TH:i:sO"
Output for 5.0.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/0Jb32 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/0Jb32 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/0Jb32 on line 3