Online PHP editor | output for q4fU2

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Warning: Undefined variable $new_array in /in/q4fU2 on line 5 Fatal error: Uncaught TypeError: array_merge(): Argument #1 must be of type array, null given in /in/q4fU2:5 Stack trace: #0 /in/q4fU2(5): array_merge(NULL, Array) #1 {main} thrown in /in/q4fU2 on line 5
Process exited with code 255.
Output for 7.3.12 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33: Notice: Undefined variable: new_array in /in/q4fU2 on line 5 Warning: array_merge(): Expected parameter 1 to be an array, null given in /in/q4fU2 on line 5 Warning: array_merge(): Expected parameter 1 to be an array, null given in /in/q4fU2 on line 9 Fatal error: Uncaught Error: Call to undefined function pr() in /in/q4fU2:11 Stack trace: #0 {main} thrown in /in/q4fU2 on line 11
Process exited with code 255.
Output for 7.3.32 - 7.3.33, 7.4.26: Warning: array_merge(): Expected parameter 1 to be an array, null given in /in/q4fU2 on line 5 Warning: array_merge(): Expected parameter 1 to be an array, null given in /in/q4fU2 on line 9 Fatal error: Uncaught Error: Call to undefined function pr() in /in/q4fU2:11 Stack trace: #0 {main} thrown in /in/q4fU2 on line 11
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33: Notice: Undefined variable: new_array in /in/q4fU2 on line 5 Warning: array_merge(): Argument #1 is not an array in /in/q4fU2 on line 5 Warning: array_merge(): Argument #1 is not an array in /in/q4fU2 on line 9 Fatal error: Uncaught Error: Call to undefined function pr() in /in/q4fU2:11 Stack trace: #0 {main} thrown in /in/q4fU2 on line 11
Process exited with code 255.
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28: Notice: Undefined variable: new_array in /in/q4fU2 on line 5 Warning: array_merge(): Argument #1 is not an array in /in/q4fU2 on line 5 Warning: array_merge(): Argument #1 is not an array in /in/q4fU2 on line 9 Fatal error: Call to undefined function pr() in /in/q4fU2 on line 11
Process exited with code 255.
Output for 5.0.0 - 5.0.3: Notice: Undefined variable: new_array in /in/q4fU2 on line 5 Warning: array_merge(): Argument #1 is not an array in /in/q4fU2 on line 5 Warning: array_merge(): Argument #1 is not an array in /in/q4fU2 on line 9 Fatal error: Call to undefined function pr() in /in/q4fU2 on line 11
Process exited with code 255.
Output for 4.4.5 - 4.4.9: Notice: Undefined variable: new_array in /in/q4fU2 on line 5 Fatal error: Call to undefined function: pr() in /in/q4fU2 on line 11
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4: Notice: Undefined variable: new_array in /in/q4fU2 on line 5 Fatal error: Call to undefined function: pr() in /in/q4fU2 on line 11
Process exited with code 255.
Output for 4.3.0 - 4.3.1: Notice: Undefined variable: new_array in /in/q4fU2 on line 5 Fatal error: Call to undefined function: pr() in /in/q4fU2 on line 11