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<?php $iterator = new EmptyIterator(); var_dump(array( 'count' => count($iterator), 'empty' => empty($iterator), 'is countable' => $iterator instanceof Countable, ));
Output for 8.0.10 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, EmptyIterator given in /in/vIfLn:5 Stack trace: #0 {main} thrown in /in/vIfLn on line 5
Process exited with code 255.
Output for 8.0.0 - 8.0.9
Fatal error: Uncaught TypeError: count(): Argument #1 ($var) must be of type Countable|array, EmptyIterator given in /in/vIfLn:5 Stack trace: #0 {main} thrown in /in/vIfLn on line 5
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
Warning: count(): Parameter must be an array or an object that implements Countable in /in/vIfLn on line 5 array(3) { ["count"]=> int(1) ["empty"]=> bool(false) ["is countable"]=> bool(false) }
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33
array(3) { ["count"]=> int(1) ["empty"]=> bool(false) ["is countable"]=> bool(false) }
preferences:
210.29 ms | 403 KiB | 259 Q