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Output for 5.6.38, 7.1.0 - 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
array(2) { [0]=> array(2) { ["value"]=> string(4) "2310" ["label"]=> string(12) "Root >> test" } [1]=> array(2) { ["value"]=> string(4) "2314" ["label"]=> string(18) "Root >> TV >> test" } } array(2) { [2310]=> string(12) "Root >> test" [2314]=> string(18) "Root >> TV >> test" }

preferences:
151.54 ms | 413 KiB | 5 Q