Online PHP editor | output for hmW4n

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: Warning: Undefined variable $МояФункція in /in/hmW4n on line 7 Fatal error: Uncaught Error: Value of type null is not callable in /in/hmW4n:7 Stack trace: #0 {main} thrown in /in/hmW4n on line 7
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 Warning: Undefined variable $МояФункція in /in/hmW4n on line 7 Fatal error: Uncaught Error: Value of type null is not callable in /in/hmW4n:7 Stack trace: #0 {main} thrown in /in/hmW4n on line 7
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33: Notice: Undefined variable: МояФункція in /in/hmW4n on line 7 Fatal error: Uncaught Error: Function name must be a string in /in/hmW4n:7 Stack trace: #0 {main} thrown in /in/hmW4n on line 7
Process exited with code 255.
Output for 7.3.32 - 7.3.33: Fatal error: Uncaught Error: Function name must be a string in /in/hmW4n:7 Stack trace: #0 {main} thrown in /in/hmW4n on line 7
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28: Notice: Undefined variable: МояФункція in /in/hmW4n on line 7 Fatal error: Function name must be a string in /in/hmW4n on line 7
Process exited with code 255.