Online PHP editor | output for CVOHk

Output for 8.0.10 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: count($emptyit): Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, EmptyIterator given in /in/CVOHk:3 Stack trace: #0 {main} thrown in /in/CVOHk on line 3
Process exited with code 255.
Output for 8.0.0 - 8.0.9: count($emptyit): Fatal error: Uncaught TypeError: count(): Argument #1 ($var) must be of type Countable|array, EmptyIterator given in /in/CVOHk:3 Stack trace: #0 {main} thrown in /in/CVOHk on line 3
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33: count($emptyit): Warning: count(): Parameter must be an array or an object that implements Countable in /in/CVOHk on line 3 1 $emptyit->count(): Fatal error: Uncaught Error: Call to undefined method EmptyIterator::count() in /in/CVOHk:4 Stack trace: #0 {main} thrown in /in/CVOHk on line 4
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33: count($emptyit): 1 $emptyit->count(): Fatal error: Uncaught Error: Call to undefined method EmptyIterator::count() in /in/CVOHk:4 Stack trace: #0 {main} thrown in /in/CVOHk on line 4
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28: count($emptyit): 1 $emptyit->count(): Fatal error: Call to undefined method EmptyIterator::count() in /in/CVOHk on line 4
Process exited with code 255.
Output for 5.0.0 - 5.0.5: Fatal error: Class 'EmptyIterator' not found in /in/CVOHk on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9: Fatal error: Cannot instantiate non-existent class: emptyiterator in /in/CVOHk 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/CVOHk on line 2