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Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.32, 8.2.0 - 8.2.28, 8.3.0 - 8.3.20, 8.4.1 - 8.4.6
array ( 'uid_1' => array ( 'sub_1' => array ( 'sub_sub_1' => array ( 'id1' => 'val_1', 'id2' => 'val_2', 'id5' => 'val_5', ), ), 'sub_2' => array ( 'sub_sub_1' => array ( 'id1' => 'val_1', 'id2' => 'val_2', 'id5' => 'val_5', ), 'sub_sub_2' => array ( 'id3' => 'val_3', 'id4' => 'val_4', ), ), ), 'uid_2' => array ( 'sub_1' => array ( 'sub_sub_1' => array ( 'id1' => 'val_1', 'id3' => 'val_3', 'id5' => 'val_5', ), ), ), )

preferences:
87.52 ms | 413 KiB | 5 Q