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run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(date(DateTime::ISO8601));
based on AGKZT
Output for 5.6.0 - 5.6.30, hhvm-3.21.3, 7.0.0 - 7.3.0beta1
string(24) "2018-03-14T09:30:37+0100"
Output for hhvm-3.18.5, hhvm-3.22.0
string(24) "2018-03-14T09:30:38+0100"