3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(serialize(new SplDoublyLinkedList()));
Output for 5.4.0 - 5.6.28, 7.0.0 - 7.1.0
string(35) "C:19:"SplDoublyLinkedList":4:{i:0;}"
Output for hhvm-3.10.0 - 3.12.0
string(56) "C:19:"SplDoublyLinkedList":24:{a:2:{i:0;a:0:{}i:1;i:0;}}"
Output for 5.3.0 - 5.3.29
string(31) "O:19:"SplDoublyLinkedList":0:{}"
Output for 5.0.0 - 5.2.17
Fatal error: Class 'SplDoublyLinkedList' not found in /in/tWSf4 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/tWSf4 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/tWSf4 on line 3