Online PHP editor | output for tofaS

Output for 7.2.0 - 7.2.33, 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(1) { [12]=> string(6) "foobar" } bool(true) array(1) { [12]=> string(6) "foobar" } bool(true)
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(1) { [12]=> string(6) "foobar" } bool(true) array(1) { [12]=> string(6) "foobar" } bool(true)
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.30, 7.0.17 - 7.0.20, 7.1.3 - 7.1.33: array(1) { ["12"]=> string(6) "foobar" } bool(false) array(1) { [12]=> string(6) "foobar" } bool(true)
Output for 7.0.0 - 7.0.16, 7.1.0 - 7.1.2: array(1) { ["12"]=> string(6) "foobar" } bool(false) array(1) { ["12"]=> string(6) "foobar" } bool(false)
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17: Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/tofaS on line 2 array(1) { ["12"]=> string(6) "foobar" } bool(false) array(1) { [12]=> string(6) "foobar" } bool(true)
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9: Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/tofaS on line 2 array(1) { [12]=> string(6) "foobar" } bool(true) array(1) { [12]=> string(6) "foobar" } bool(true)