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run code in 200+ php & hhvm versions
Bugs & Features
<?php echo date('c', mktime(0, 0, 0, 1, 1, 2014));
Output for 5.0.0 - 7.2.0
2014-01-01T00:00:00+01:00
Output for 4.3.0 - 4.4.9
c