3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = new ArrayIterator(array()); array(&$$a);
Output for 7.1.0 - 7.3.0rc4
Recoverable fatal error: Object of class ArrayIterator could not be converted to string in /in/Y4bCW on line 3
Process exited with code 255.
Output for 5.2.0 - 7.0.20
Catchable fatal error: Object of class ArrayIterator could not be converted to string in /in/Y4bCW on line 3
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Notice: Object of class ArrayIterator to string conversion in /in/Y4bCW on line 3
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: arrayiterator in /in/Y4bCW on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: arrayiterator in /in/Y4bCW on line 2