3v4l.org

run code in 150+ php & hhvm versions
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<?php $array = array('k' => 'oui'); unset($array['k']); var_dump($array); unset($array['knon']); var_dump($array); ?>
based on EdASj
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(0) { } array(0) { }