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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 - 8.3.19, 8.4.1 - 8.4.5
array(3) { [0]=> int(0) [1]=> int(1) [2]=> int(2) } array(3) { [0]=> int(0) [1]=> int(1) [2]=> &int(1) }

preferences:
98.48 ms | 411 KiB | 5 Q