Online PHP editor | output for JrBaG

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: Fatal error: Uncaught Error: Undefined constant "a" in /in/JrBaG:3 Stack trace: #0 {main} thrown in /in/JrBaG 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: Undefined constant "a" in /in/JrBaG:3 Stack trace: #0 {main} thrown in /in/JrBaG on line 3
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33: Warning: Use of undefined constant a - assumed 'a' (this will throw an Error in a future version of PHP) in /in/JrBaG on line 3 Array ( [0] => 1 [1] => 2 [2] => 3 [3] => 4 [4] => 5 [5] => 6 [6] => 7 [7] => 8 [8] => 9 )
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.2, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20: Notice: Use of undefined constant a - assumed 'a' in /in/JrBaG on line 3 Array ( [0] => 1 [1] => 2 [2] => 3 [3] => 4 [4] => 5 [5] => 6 [6] => 7 [7] => 8 [8] => 9 )
Output for 5.0.3 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17: Notice: Use of undefined constant a - assumed 'a' in /in/JrBaG on line 3 Warning: array_merge(): Argument #1 is not an array in /in/JrBaG on line 6 Warning: array_merge(): Argument #1 is not an array in /in/JrBaG on line 6 Warning: array_merge(): Argument #1 is not an array in /in/JrBaG on line 6
Output for 4.3.10 - 4.3.11, 4.4.0 - 4.4.9: Notice: Use of undefined constant a - assumed 'a' in /in/JrBaG on line 3 Array ( [0] => 0 [1] => 1 [2] => 2 [3] => 3 [4] => 4 [5] => 5 [6] => 6 [7] => 7 [8] => 8 [9] => 9 )