What best practices should be followed when implementing a counter for correct and incorrect quiz answers in PHP, considering the code shared in the forum thread?

The best practice when implementing a counter for correct and incorrect quiz answers in PHP is to initialize the counters outside of the loop to prevent resetting them on each iteration. This ensures that the counts are accurately maintained throughout the quiz. Additionally, using conditional statements to increment the appropriate counter based on the user's input will help track the correct and incorrect answers effectively. 

$correctCount = 0;
$incorrectCount = 0;

foreach ($quizAnswers as $question => $userAnswer) {
    $correctAnswer = getCorrectAnswer($question);

    if ($userAnswer == $correctAnswer) {
        $correctCount++;
    } else {
        $incorrectCount++;
    }
}

echo "Correct Answers: " . $correctCount . "<br>";
echo "Incorrect Answers: " . $incorrectCount;

Keywords

session variables validation security SQL injection error handling

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