3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $iterator = new \RecursiveIteratorIterator(new \ArrayObject());
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught InvalidArgumentException: An instance of RecursiveIterator or IteratorAggregate creating it is required in /in/v2fMI:3 Stack trace: #0 /in/v2fMI(3): RecursiveIteratorIterator->__construct(Object(ArrayObject)) #1 {main} thrown in /in/v2fMI on line 3
Process exited with code 255.
Output for hhvm-3.12.0
Fatal error: Uncaught exception 'InvalidArgumentException' with message 'An instance of RecursiveIterator or IteratorAggregate creating it is required' in /in/v2fMI:3 Stack trace: #0 /in/v2fMI(3): RecursiveIteratorIterator->__construct() #1 {main}
Process exited with code 255.
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.3.0 - 5.6.28
Fatal error: Uncaught exception 'InvalidArgumentException' with message 'An instance of RecursiveIterator or IteratorAggregate creating it is required' in /in/v2fMI:3 Stack trace: #0 /in/v2fMI(3): RecursiveIteratorIterator->__construct(Object(ArrayObject)) #1 {main} thrown in /in/v2fMI on line 3
Process exited with code 255.
Output for 5.1.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/v2fMI on line 3 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/v2fMI on line 3 Fatal error: Uncaught exception 'InvalidArgumentException' with message 'An instance of RecursiveIterator or IteratorAggregate creating it is required' in /in/v2fMI:3 Stack trace: #0 /in/v2fMI(3): RecursiveIteratorIterator->__construct(Object(ArrayObject)) #1 {main} thrown in /in/v2fMI on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/v2fMI on line 3 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/v2fMI on line 3 Fatal error: Argument 1 must implement interface RecursiveIterator in /in/v2fMI on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/v2fMI on line 3 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/v2fMI on line 3 Fatal error: Cannot instantiate non-existent class: recursiveiteratoriterator in /in/v2fMI on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/v2fMI on line 3 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/v2fMI on line 3 Fatal error: Cannot instantiate non-existent class: recursiveiteratoriterator in /in/v2fMI on line 3