krsort < PHP

The krsort function sorts an array by key in descending order.

    $capitals = array('New York' => 'Albany', 'Texas' => 'Austin', 'Florida' => 'Tallahassee');

    krsort($capitals);

    print_r($capitals);
    // Array (
    //  [Texas] => Austin
    //  [New York] => Albany
    //  [Florida] => Tallahassee
    //)