3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $attempts = array(); $localTaskId = 3; $x =& $attempts[$localTaskId]; isset ($attempts[$localTaskId]) ? (++ $attempts[$localTaskId]) : ($attempts[$localTaskId] = 1); $attempts[$localTaskId] = $x; echo $attempts[$localTaskId]."\n"; isset ($attempts[$localTaskId]) ? (++ $attempts[$localTaskId]) : ($attempts[$localTaskId] = 1); echo $attempts[$localTaskId]."\n";
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
1 2