3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $list = new SplDoublyLinkedList(); $list->push($a); $list->push($b); foreach($list as $a) { foreach($list as $b) { echo "($a, $b)"; } }
Output for 5.3.0 - 5.6.28, 7.0.0 - 7.1.0
Notice: Undefined variable: a in /in/T9YpK on line 5 Notice: Undefined variable: b in /in/T9YpK on line 6 (, )(, )(, )(, )
Output for hhvm-3.10.0 - 3.12.0
Notice: Undefined variable: a in /in/T9YpK on line 5 Notice: Undefined variable: b in /in/T9YpK on line 6 (, )(, )
Output for 5.0.0 - 5.2.17
Fatal error: Class 'SplDoublyLinkedList' not found in /in/T9YpK on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: spldoublylinkedlist in /in/T9YpK on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: spldoublylinkedlist in /in/T9YpK on line 3