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run code in 150+ php & hhvm versions
Bugs & Features
<?php $a=array(); if (empty($a) || is_array($a)) echo "is a array"; var_dump($a); var_dump(is_array($a));
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
is a arrayarray(0) { } bool(true)
Output for hhvm-3.10.0

Process exited with code 153.