3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = new ArrayIterator(); $b = new CallbackFilterIterator($a, 'phpinfo'); var_dump($b);
based on 8YEmC
Output for 5.4.0 - 5.6.28, 7.0.0 - 7.1.0
object(CallbackFilterIterator)#2 (0) { }
Output for hhvm-3.10.0 - 3.12.0
object(CallbackFilterIterator)#2 (6) { ["callback":protected]=> string(7) "phpinfo" ["it":"FilterIterator":private]=> object(ArrayIterator)#1 (2) { ["storage":"ArrayIterator":private]=> array(0) { } ["flags":"ArrayIterator":private]=> int(0) } ["iterator":"IteratorIterator":private]=> NULL ["current":"IteratorIterator":private]=> NULL ["key":"IteratorIterator":private]=> NULL ["position":"IteratorIterator":private]=> NULL }
Output for 5.0.0 - 5.3.29
Fatal error: Class 'CallbackFilterIterator' not found in /in/1S79L on line 4
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: arrayiterator in /in/1S79L on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: arrayiterator in /in/1S79L on line 3