3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(strtotime("last day of this month"));
based on q75Oj
Output for 5.3.0 - 7.3.0
int(1443645342)
Output for 5.1.0 - 5.2.17
bool(false)
Output for 4.3.0 - 5.0.5
int(-1)