Online PHP editor | output for NUt0d

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, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Fatal error: Uncaught Error: Using $this when not in object context in /in/NUt0d:12 Stack trace: #0 {main} thrown in /in/NUt0d on line 12
Process exited with code 255.
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.19 - 7.0.33: Notice: Undefined variable: this in /in/NUt0d on line 12 Warning: preg_replace_callback(): Requires argument 2, 'Array', to be a valid callback in /in/NUt0d on line 13 valami_underscored_cucc
Output for 7.0.0 - 7.0.18: Notice: Undefined variable: this in /in/NUt0d on line 12 Warning: preg_replace_callback(): Requires argument 2, 'Array', to be a valid callback in /in/NUt0d on line 12 valami_underscored_cucc
Output for 5.1.0 - 5.1.6: Notice: Undefined variable: this in /in/NUt0d on line 12 Warning: preg_replace_callback(): requires argument 2, 'Array', to be a valid callback in /in/NUt0d on line 13 valami_underscored_cucc
Output for 5.0.0 - 5.0.5: Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/NUt0d on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9: Parse error: syntax error, unexpected T_ARRAY, expecting ')' in /in/NUt0d 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 T_ARRAY, expecting ')' in /in/NUt0d on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error, expecting `')'' in /in/NUt0d on line 3
Process exited with code 255.