var maxConsecutiveAnswers = function(answerKey, k) { let [left, right, numOfTrue, numOfFalse, max] = new Array(5).fill(0); const moreChanges = () => numOfTrue > k && numOfFalse > k; while (right < answerKey.length) { if(answerKey[right] === 'T') numOfTrue++; if(answerKey[right] === 'F') numOfFalse++; while(moreChanges()) { if(answerKey[left] === 'T') numOfTrue--; if(answerKey[left] === 'F') numOfFalse--; left++; } max = Math.max(max, right - left + 1); right++; } return max; };

function max_consecutive_answers(array $answerKey, int $k): int
    {
        // TODO: Write your code here
        $left = 0;
        $right = 0;
        $numOfTrue = 0;
        $numOfFalse = 0;
        $max = 0;
        $moreChanges = function ($numOfTrue, $numOfFalse, $k) {
            return $numOfTrue > $k && $numOfFalse > $k;
        };
        while ($right < count($answerKey)) {
            if ($answerKey[$right] === 'T') {
                $numOfTrue++;
            }
            if ($answerKey[$right] === 'F') {
                $numOfFalse++;
            }
            while ($moreChanges($numOfTrue, $numOfFalse, $k)) {
                if ($answerKey[$left] === 'T') {
                    $numOfTrue--;
                }
                if ($answerKey[$left] === 'F') {
                    $numOfFalse--;