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Output for 7.4.0 - 7.4.33, 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 ( [Sat 2] => 1 [Sun 3] => 1 [Mon 4] => 2 [Tue 5] => 1 ) Array ( [0] => Sat 2 [1] => Sun 3 [2] => Tue 5 )

preferences:
141.15 ms | 411 KiB | 5 Q