Warning: Undefined variable $f in /in/cO2ER on line 3
Fatal error: Uncaught Error: Value of type null is not callable in /in/cO2ER:6
Stack trace:
#0 /in/cO2ER(9): {closure}(10)
#1 {main}
thrown in /in/cO2ER on line 6
Process exited with code 255.
Notice: Undefined variable: f in /in/cO2ER on line 3
Fatal error: Uncaught Error: Function name must be a string in /in/cO2ER:6
Stack trace:
#0 /in/cO2ER(9): {closure}(10)
#1 {main}
thrown in /in/cO2ER on line 6
Process exited with code 255.
Output for 7.3.32 - 7.3.33, 7.4.26
Fatal error: Uncaught Error: Function name must be a string in /in/cO2ER:6
Stack trace:
#0 /in/cO2ER(9): {closure}(10)
#1 {main}
thrown in /in/cO2ER on line 6
Process exited with code 255.