3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = new SplStack (3); var_dump($a);
Output for 5.3.0 - 5.6.28, 7.0.0 - 7.1.0
object(SplStack)#1 (2) { ["flags":"SplDoublyLinkedList":private]=> int(6) ["dllist":"SplDoublyLinkedList":private]=> array(0) { } }
Output for hhvm-3.10.0 - 3.12.0
object(SplStack)#1 (6) { ["head":protected]=> NULL ["tail":protected]=> NULL ["key":protected]=> int(0) ["current":protected]=> NULL ["count":protected]=> int(0) ["mode":protected]=> int(2) }
Output for 5.0.0 - 5.2.17
Fatal error: Class 'SplStack' not found in /in/3YsBs on line 2
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: splstack in /in/3YsBs on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: splstack in /in/3YsBs on line 2