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run code in 150+ php & hhvm versions
Bugs & Features
<?php $iterator = new ArrayIterator(array('one' => array())); $iterator->rewind(); $iterator->next(); var_dump($iterator->key());
Output for 5.0.0 - 7.1.0
NULL
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: arrayiterator in /in/go20i 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/go20i on line 3