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run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(date('y'));
Output for 7.2.1
string(2) "18"
Output for 4.3.0 - 5.6.30, hhvm-3.10.1 - 3.17.3, 7.0.0 - 7.2.0
string(2) "16"