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run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump((boolean) null);
Output for 4.3.0 - 5.6.30, hhvm-3.10.1 - 3.18.4, hhvm-3.19.2 - 3.21.0, hhvm-3.22.0, 7.0.0 - 7.2.6
bool(false)
Output for hhvm-3.18.5, hhvm-3.21.3

Process exited with code 153.