PHP Get Highest Value from Array

Question

I\'m trying to get hold of the largest value in an array, while still preserving the item labels. I know I can do this by running sort(), but if I do so I simply lose the la

Answer 1

Here a solution inside an exercise:

function high($sentence)
{
    $alphabet = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'ñ', 'o', 'p', 'q', 'r', 't', 'u', 'v', 'w', 'x', 'y', 'z'];
    $alphabet = array_flip($alphabet);

    $words = explode(" ", $sentence);

    foreach ($words as $word) {
        $letters = str_split($word);
        $points = 0;
        foreach ($letters as $letter)
            $points += $alphabet[$letter];
        $score[$word] = $points;
    }

    $value = max($score);
    $key = array_search($value, $score);

    return $key;
}

echo high("what time are we climbing up the volcano");