3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = new ArrayIterator(); $b = new CallbackFilterIterator($a, 'phpinfo'); echo $b;
based on 5tBii
Output for 7.1.0
Recoverable fatal error: Object of class CallbackFilterIterator could not be converted to string in /in/8YEmC on line 5
Process exited with code 255.
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.0.14
Catchable fatal error: Object of class CallbackFilterIterator could not be converted to string in /in/8YEmC on line 5
Process exited with code 255.
Output for 5.0.0 - 5.3.29
Fatal error: Class 'CallbackFilterIterator' not found in /in/8YEmC 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/8YEmC 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/8YEmC on line 3