Selecting array elements based on an index range

[NotionCommotion]

I wish to return the object in an array with the highest index where its index falls between between integers, and return null should one not exist.

For instance, with the following and a min and max of 10,000 and 15,000, it should return OBJ4, and with a min and max of 15,000 and 20,000 it should return NULL.

Any thoughts?  Thanks

function getObj(int $min, int $max):?OBJ {
    $list=[
        12314=>'OBJ1',
        321=>'OBJ2',
        42142=>'OBJ3',
        14314=>'OBJ4',
        123=>'OBJ5',
        13314=>'OBJ6'
    ];
    return getIt($list, $min, $max);
}

 

[Barand]

One way ...

$list=[
        12314=>'OBJ1',
        321=>'OBJ2',
        42142=>'OBJ3',
        14314=>'OBJ4',
        123=>'OBJ5',
        13314=>'OBJ6'
    ];

function getIt($list, $min, $max)
{
    $arr = array_filter($list, function ($k) use ($min,$max) {
                                   return $k >= $min && $k <= $max;
                                }, ARRAY_FILTER_USE_KEY);
    krsort($arr);
    return current($arr);
}

echo getIt($list, 10000, 15000);          // OBJ4
echo getIt($list, 15000, 20000);          // false

 

[NotionCommotion]

Thanks Barand