[Solved] check And Count Value over php array [closed]

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I would run first on the ranges array ($arr2) and for each of those find how many items from the first array fit. The exact details though really depends on the expected result.

//Comps Esg Grades
$arr1 = [1,2,3,9,5,6,20,35,9,10];
//Final Compare
$arr2 = [0,1.7,10.4,20,30,44,60];
$countArray = [];


for ($i=0; $i<count($arr2)-1; $i++) {
    $min = $arr2[$i];
    $max = $arr2[$i+1];
    $countArray[$i] = 0;

    for ($j=0; $j<count($arr1); $j++) {
        
        if ($arr1[$j] >= $min && $arr1[$j] <= $max) {
            $countArray[$i]++;
        }
    }
}

print_r($countArray);

Output:

Array
(
    [0] => 1
    [1] => 7
    [2] => 1
    [3] => 1
    [4] => 1
    [5] => 0
)

solved check And Count Value over php array [closed]