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run code in 200+ php & hhvm versions
Bugs & Features
<?php $x = 1; $y = 2; var_dump( (!$x === $y) === (!($x === $y)) );
based on 0ROB8
Output for 4.3.0 - 5.6.30, hhvm-3.10.1 - 3.17.3, 7.0.0 - 7.2.0
bool(false)