Fatal error: Uncaught Error: Using $this when not in object context in /in/PBg0b:30
Stack trace:
#0 /in/PBg0b(35): BasicMath::add(1, 2)
#1 {main}
thrown in /in/PBg0b on line 30
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Fatal error: Using $this when not in object context in /in/PBg0b on line 30
Process exited with code 255.