Online PHP editor | output for 253rp

Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 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 - 8.3.4, 8.3.6: array(2) { [0]=> int(3) [1]=> int(7) }
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 array(2) { [0]=> int(3) [1]=> int(7) }
Output for 7.0.0 - 7.0.33: array(2) { [0]=> int(3) [1]=> int(7) } Fatal error: Uncaught TypeError: Return value of main() must be an instance of void, none returned in /in/253rp:21 Stack trace: #0 /in/253rp(23): main() #1 {main} thrown in /in/253rp on line 21
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40: Warning: Unsupported declare 'strict_types' in /in/253rp on line 1 Parse error: syntax error, unexpected ':', expecting '{' in /in/253rp on line 3
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17: Parse error: syntax error, unexpected ':', expecting '{' in /in/253rp on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.5: Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/253rp 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/253rp 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/253rp on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error, expecting `')'' in /in/253rp on line 3
Process exited with code 255.