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run code in 200+ php & hhvm versions
Bugs & Features
<?php echo date('Y-m-d', strtotime('first day of this month +2 months', strtotime('2015-05-01')));
Output for 5.3.0 - 7.3.0rc4
2015-07-01
Output for 4.3.0 - 5.2.17
1970-01-01