Question

How to find the maximum repeating number in array with PHP

Answer 1

function MaxRepertingElement($array) {
    $size = count($array);
    
    for ($i = 0; $i < $size; $i++) {
        $array[$array[$i] % $size] += $size;
        // array[i] % size = 3 4 8 3 8 2 3 9 4 4 4 7 7 7 4 
    	// array = [3, 4, 23, 48, 83, 2, 3, 54, 34, 19, 4, 7, 7, 7, 4] 
    }
    
    $max_element = PHP_INT_MIN;
    $repeating = 0;
    
    for ($i = 0; $i < $size; $i++) {
        if ($array[$i] > $max_element) {
            $max_element = $array[$i];
            $repeating = $i;
        }
    }

    return $repeating;
}
        
$array = array(3, 4, 8, 3, 8, 2, 3, 9, 4, 4, 4, 7, 7, 7, 4);

echo MaxRepertingElement($array);




/*
run:

4

*/

 

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