Online PHP editor | output for VTmlg

Output for 8.0.10 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3: Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /in/VTmlg:5 Stack trace: #0 {main} thrown in /in/VTmlg on line 5
Process exited with code 255.
Output for 8.0.0 - 8.0.9: Fatal error: Uncaught TypeError: count(): Argument #1 ($var) must be of type Countable|array, null given in /in/VTmlg:5 Stack trace: #0 {main} thrown in /in/VTmlg on line 5
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33: Warning: count(): Parameter must be an array or an object that implements Countable in /in/VTmlg 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, 7.1.0 - 7.1.33
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17: Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/VTmlg on line 5 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/VTmlg on line 6
Output for 5.0.0 - 5.0.5: Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/VTmlg on line 5 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/VTmlg on line 6 Fatal error: Class 'RuntimeException' not found in /in/VTmlg on line 6
Process exited with code 255.
Output for 4.4.2 - 4.4.9: Parse error: syntax error, unexpected '{' in /in/VTmlg on line 3
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: Parse error: parse error, unexpected '{' in /in/VTmlg on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/VTmlg on line 3
Process exited with code 255.