Fatal error: Uncaught Error: Undefined constant "arr" in /in/TFF1Z:3
Stack trace:
#0 {main}
thrown in /in/TFF1Z on line 3
Process exited with code 255.
Warning: Use of undefined constant arr - assumed 'arr' (this will throw an Error in a future version of PHP) in /in/TFF1Z on line 3
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
Notice: Use of undefined constant arr - assumed 'arr' in /in/TFF1Z on line 3
Output for 5.6.0 - 5.6.40
Fatal error: Cannot use isset() on the result of an expression (you can use "null !== expression" instead) in /in/TFF1Z on line 3
Process exited with code 255.
Output for 5.5.0 - 5.5.38
Parse error: syntax error, unexpected '[' in /in/TFF1Z on line 3
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '[', expecting :: (T_PAAMAYIM_NEKUDOTAYIM) in /in/TFF1Z on line 3
Process exited with code 255.