3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $threads = array(1=>1234, 3=>7462, 4=>8472); foreach($threads as $task=>&$thread) { forkTask($thread, $task); } function forkTask($thread, $task) { if($task==1) { $thread = 4321; } return; } print_r($threads);
based on 4PcGh
Output for 5.0.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [1] => 1234 [3] => 7462 [4] => 8472 )
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /in/UCZJe on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected '&', expecting T_VARIABLE or '$' in /in/UCZJe on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/UCZJe on line 3
Process exited with code 255.