3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $x = array(0); // let the current overflow next($x); // the aliasing here... //$z = &$x; // ... forces this assignment to be executed istantly (no copy-on-write) $y = $x; // $y was reset, but not $x, which makes sense, echo "x: " . current($x) . "\n"; echo "y: " . current($y) . "\n"; ?>
Output for 4.4.1, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
x: y:
Output for 4.3.0 - 4.4.0, 4.4.2 - 5.6.28
x: 0 y: