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<?php $arr = Array ( 0 => 1 , 1 => 2 , 2 => 2 , 3 => 1 , 4 => 2 , 5 => 2, ) ; $temp = array_count_values($arr); echo array_search(max($temp), $temp);

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27.03 ms | 406 KiB | 5 Q