3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $x = array(); $x['a']['b'] = true; $x['a']['c'] = false; if (!isset($x['a']['b']['d']['e'])) { print "empty"; } else { print "not empty"; } print "\n"; if (!isset($x['a']['b'])) { print "empty"; } else { print "not empty"; }
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
empty not empty