3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $iterator = new ArrayIterator(array('one' => array())); foreach($iterator as $row) { var_dump($row->key()); }
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Call to a member function key() on array in /in/FcosT:6 Stack trace: #0 {main} thrown in /in/FcosT on line 6
Process exited with code 255.
Output for 5.6.0 - 5.6.28
Fatal error: Call to a member function key() on array in /in/FcosT on line 6
Process exited with code 255.
Output for 5.0.0 - 5.5.38
Fatal error: Call to a member function key() on a non-object in /in/FcosT on line 6
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: arrayiterator in /in/FcosT 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/FcosT on line 3