Online PHP editor | output for QP3Lu

Output for 7.0.0 - 7.0.11, 7.0.13, 7.0.16 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.26, 7.3.0 - 7.3.13, 7.4.0 - 7.4.1, 8.1.28, 8.2.17 - 8.2.18, 8.3.3 - 8.3.4, 8.3.6: Fatal error: Uncaught Error: Using $this when not in object context in /in/QP3Lu:3 Stack trace: #0 {main} thrown in /in/QP3Lu on line 3
Process exited with code 255.
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught Error: Using $this when not in object context in /in/QP3Lu:3 Stack trace: #0 {main} thrown in /in/QP3Lu on line 3
Process exited with code 255.
Output for 5.6.20, 5.6.32 - 5.6.34, 7.0.12, 7.0.14 - 7.0.15: Process exited with code 137.
Output for 5.0.0 - 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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.19, 5.6.21 - 5.6.31, 5.6.35 - 5.6.40: Fatal error: Using $this when not in object context in /in/QP3Lu on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9: Fatal error: Call to a member function on a non-object in /in/QP3Lu on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1: Fatal error: Call to a member function on a non-object in /in/QP3Lu on line 3