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run code in 150+ php & hhvm versions
Bugs & Features
<?php $foo = '0'; var_dump($foo); if (!$foo) { var_dump($foo); }
based on HcKaO
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
string(1) "0" string(1) "0"