Online PHP editor | output for kn0Y5

Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.25, 7.3.0 - 7.3.12, 7.4.0: Warning: str_shuffle() expects parameter 1 to be string, array given in /in/kn0Y5 on line 3 Warning: implode(): Invalid arguments passed in /in/kn0Y5 on line 3
Output for 5.2.5 - 5.2.17: Notice: Array to string conversion in /in/kn0Y5 on line 3 Warning: implode(): Invalid arguments passed in /in/kn0Y5 on line 3
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: Notice: Array to string conversion in /in/kn0Y5 on line 3 Warning: implode(): Bad arguments. in /in/kn0Y5 on line 3
Output for 4.3.0 - 4.3.1: Notice: Array to string conversion in /in/kn0Y5 on line 3 Warning: implode() [http://www.php.net/function.implode]: Bad arguments. in /in/kn0Y5 on line 3