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Output for 7.1.25 - 7.1.33, 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 - 8.1.32, 8.2.0 - 8.2.28, 8.3.0 - 8.3.19, 8.4.1 - 8.4.5
<pre>Array ( [artists] => Array ( [1] => Array ( [id] => 1 [firstname] => John [lastname] => Doe [songs] => Array ( [0] => Array ( [name] => song_2 [year] => 1987 ) [1] => Array ( [name] => song_1 [year] => 1999 ) ) ) [2] => Array ( [id] => 2 [firstname] => Jane [lastname] => Doe [songs] => Array ( [0] => Array ( [name] => song_2 [year] => 1999 ) [1] => Array ( [name] => song_1 [year] => 2000 ) ) ) [3] => Array ( [id] => 3 [firstname] => Mark [lastname] => Doe [songs] => Array ( [0] => Array ( [name] => song_2 [year] => 1983 ) [1] => Array ( [name] => song_1 [year] => 1984 ) ) ) ) ) </pre>

preferences:
181.15 ms | 422 KiB | 5 Q