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run code in 200+ php & hhvm versions
Bugs & Features
<?php echo date('F',strtotime("February")); print_r(strtotime("February"));
Output for 5.2.0 - 5.6.30, hhvm-3.11.1 - 3.17.3, 7.0.0 - 7.1.7
March1393801200
Output for hhvm-3.10.1

Process exited with code 137.
Output for 5.1.0 - 5.1.6
January
Output for 4.3.0 - 5.0.5
January-1