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run code in 150+ php & hhvm versions
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<?php /** * */ function FIXME_UNSET(&$variable) { return $variable; } $i = 0; var_dump(FIXME_UNSET($notes[$i]['disabled']));
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
NULL
Output for hhvm-3.10.0

Process exited with code 153.