3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $it = new EmptyIterator; var_dump(count($it));
Output for 7.2.0
Warning: count(): Parameter must be an array or an object that implements Countable in /in/1NTkj on line 3 int(1)
Output for 5.1.0 - 5.6.30, hhvm-3.10.1 - 3.22.0, 7.0.0 - 7.1.10
int(1)
Output for 5.0.0 - 5.0.5
Fatal error: Class 'EmptyIterator' not found in /in/1NTkj on line 2
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: emptyiterator in /in/1NTkj on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: emptyiterator in /in/1NTkj on line 2