Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, function "fn 1" not found or invalid function name in /in/nfZNB:7
Stack trace:
#0 {main}
thrown in /in/nfZNB on line 7
Process exited with code 255.
Output for 8.0.0 - 8.0.9
Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($function) must be a valid callback, function "fn 1" not found or invalid function name in /in/nfZNB:7
Stack trace:
#0 {main}
thrown in /in/nfZNB on line 7
Process exited with code 255.
Warning: call_user_func_array(): First argument is expected to be a valid callback, 'fn 1' was given in /in/nfZNB on line 7
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Warning: call_user_func_array(): First argumented is expected to be a valid callback, 'fn 1' was given in /in/nfZNB on line 7
Output for 4.3.0 - 4.3.1
Warning: call_user_func_array() [http://www.php.net/function.call-user-func-array]: First argumented is expected to be a valid callback, 'fn 1' was given in /in/nfZNB on line 7