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run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(strtotime("10 September 2000 first day of this month"));
Output for 5.3.0 - 7.1.0
int(967759200)
Output for 5.1.0 - 5.2.17
bool(false)
Output for 4.3.0 - 5.0.5
int(-1)