Online PHP editor | output for DLmql

Output for 5.1.2 - 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 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.31, 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 - 8.3.7: $yearDoubleBack => 2017 $YearDoubleAhead => 2021 Array ( [0] => 2017 [1] => 2018 [2] => 2019 [3] => 2020 [4] => 2021 )
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 $yearDoubleBack => 2017 $YearDoubleAhead => 2021 Array ( [0] => 2017 [1] => 2018 [2] => 2019 [3] => 2020 [4] => 2021 )
Output for 5.1.0 - 5.1.1: $yearDoubleBack => 1970 $YearDoubleAhead => 1970 Array ( [0] => 1970 )
Output for 4.3.10 - 4.3.11, 4.4.0 - 4.4.9, 5.0.2 - 5.0.5: $yearDoubleBack => 2021 $YearDoubleAhead => 2021 Array ( [0] => 2021 )
Output for 4.3.3 - 4.3.9, 5.0.0 - 5.0.1: $yearDoubleBack => 2021 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/DLmql on line 8 PHP_EOL$YearDoubleAhead => 2021 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/DLmql on line 10 PHP_EOLArray ( [0] => 2021 )
Output for 4.3.0 - 4.3.2: $yearDoubleBack => 2021 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/DLmql on line 8 PHP_EOL$YearDoubleAhead => 2021 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/DLmql on line 10 PHP_EOLArray ( [0] => 2 )