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run code in 200+ php & hhvm versions
Bugs & Features
<?php $date1 = date_create(); $date2 = date_create('-1 month'); $interval = $date1->diff($date2); var_dump($interval->format('%a'));
based on nrAMZ
Output for 5.3.19 - 5.5.24, 5.5.35, 5.6.21 - 5.6.28, 7.0.6 - 7.2.0
string(2) "30"
Output for 5.5.25 - 5.5.30, 5.5.34, 5.6.8 - 5.6.14, 5.6.20, 7.0.5
string(2) "31"
Output for 5.5.31 - 5.5.33, 5.6.15 - 5.6.19, 7.0.0 - 7.0.4
string(2) "29"