3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(strtotime('-1 day', ''));
based on 6nsK2
Output for 7.0.0 - 7.2.0
Warning: strtotime() expects parameter 2 to be integer, string given in /in/UK8i4 on line 2 bool(false)
Output for 5.3.18 - 5.6.28
Warning: strtotime() expects parameter 2 to be long, string given in /in/UK8i4 on line 2 bool(false)