Online PHP editor | output for WqSSI

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Fatal error: Uncaught ValueError: explode(): Argument #1 ($separator) cannot be empty in /in/WqSSI:6 Stack trace: #0 /in/WqSSI(6): explode('', 'abcdefffefa') #1 {main} thrown in /in/WqSSI on line 6
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33: Warning: explode(): Empty delimiter in /in/WqSSI on line 6 Warning: array_unique() expects parameter 1 to be array, bool given in /in/WqSSI on line 6 afe
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33: Warning: explode(): Empty delimiter in /in/WqSSI on line 6 Warning: array_unique() expects parameter 1 to be array, boolean given in /in/WqSSI on line 6 afe
Output for 5.2.5 - 5.2.17: Warning: explode(): Empty delimiter in /in/WqSSI on line 6 Warning: array_unique(): The argument should be an array in /in/WqSSI on line 6 afe
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.4: Warning: explode(): Empty delimiter. in /in/WqSSI on line 6 Warning: array_unique(): The argument should be an array in /in/WqSSI on line 6 afe
Output for 4.3.0 - 4.3.1: Warning: explode() [http://www.php.net/function.explode]: Empty delimiter. in /in/WqSSI on line 6 Warning: array_unique() [http://www.php.net/function.array-unique]: The argument should be an array in /in/WqSSI on line 6 afe