Online PHP editor | output for k2J7v

Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Warning: {closure}(): Argument #1 ($r) must be passed by reference, value given in /in/k2J7v on line 3 Fatal error: Uncaught TypeError: Unsupported operand types: string + int in /in/k2J7v:5 Stack trace: #0 [internal function]: {closure}('', '08') #1 /in/k2J7v(3): array_reduce(Array, Object(Closure), '') #2 {main} thrown in /in/k2J7v on line 5
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28: Warning: {closure}(): Argument #1 ($r) must be passed by reference, value given in /in/k2J7v on line 6 Fatal error: Uncaught TypeError: Unsupported operand types: string + int in /in/k2J7v:5 Stack trace: #0 [internal function]: {closure}('', '08') #1 /in/k2J7v(6): array_reduce(Array, Object(Closure), '') #2 {main} thrown in /in/k2J7v on line 5
Process exited with code 255.
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33: Warning: A non-numeric value encountered in /in/k2J7v on line 5 Warning: A non-numeric value encountered in /in/k2J7v on line 5 Warning: A non-numeric value encountered in /in/k2J7v on line 5 Warning: A non-numeric value encountered in /in/k2J7v on line 5 Warning: A non-numeric value encountered in /in/k2J7v on line 5 Warning: A non-numeric value encountered in /in/k2J7v on line 5 Warning: A non-numeric value encountered in /in/k2J7v on line 5 Warning: A non-numeric value encountered in /in/k2J7v on line 5 Warning: A non-numeric value encountered in /in/k2J7v on line 5 Warning: A non-numeric value encountered in /in/k2J7v on line 5 Warning: A non-numeric value encountered in /in/k2J7v on line 5
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17: Parse error: syntax error, unexpected T_FUNCTION in /in/k2J7v on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5: Parse error: parse error, unexpected T_FUNCTION in /in/k2J7v on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/k2J7v on line 5
Process exited with code 255.