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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 - 8.1.31, 8.2.0 - 8.2.27, 8.3.0 - 8.3.19, 8.4.1 - 8.4.5
<pre>Array ( [0] => Array ( [class] => one [sub] => Array ( [0] => music [1] => social [2] => health [3] => science [4] => math ) ) [1] => Array ( [class] => two [sub] => music ) ) </pre>
preferences:
150.33 ms | 413 KiB | 5 Q