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run code in 150+ php & hhvm versions
Bugs & Features
<?php function f($check, $interval='3') { if ($check == 'Recurring Alarm' && empty($interval)) return false; return true; } $result = f('Recurring Alarm'); var_dump($result);
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
bool(true)
Output for hhvm-3.10.0

Process exited with code 153.