Question

我在点击提交后尝试获取该页面，告诉用户他们是否正确的问题。截至目前，它始终表示正确，无论在文本框中键入的内容是否正确答案。非常感谢任何帮助。

以下是相关代码。第一部分来自创建问题的html文件。

 <form action="Graded.php" method="post" id="quiz">
    Question 7: How many signs are in the Chinese zodiac?
    <input type="text" name="question-7-answers" value="" required>

    Question 8: Which is the only reptile that is a sign in the Chinese zodiac?
    <input type="text" name="question-8-answers" value="" required>

    Question 9: Which is the only imaginary animal that is a sign in the Chinese zodiac?
    <input type="text" name="question-9-answers" value="" required>

    Question 10: Which is the only bird that is a sign in the Chinese zodiac?
    <input type="text" name="question-10-answers" value="" required>

    <input type="submit" value="Submit Quiz"/>
    <input type="reset" value="Reset Quiz" class="reset_button"/>
</form>

这是php部分，用于检查答案是否正确，并在点击提交后在页面上发布结果。

$answer7 = $_POST['question-7-answers'];
$answer8 = $_POST['question-8-answers'];
$answer9 = $_POST['question-9-answers'];
$answer10 = $_POST['question-10-answers'];


if ($answer7 == "12" || "twelve") { $totalCorrect++; echo "Answer 7 was Correct <br />\n";}
else echo"Incorrect answer. This is the correct answer: Question 7: How many signs are in the Chinese zodiac?    Answer: 12 <br />\n";

if ($answer8 == "Snake" || "snake") { $totalCorrect++; echo "Answer 8 was Correct <br />\n";}
else echo "Incorrect answer. This is the correct answer: Question 8: Which is the only reptile that is a sign in the Chinese zodiac? Answer: Snake <br />\n";

if ($answer9 == "Dragon" ||  "dragon") { $totalCorrect++; echo "Answer 9 was Correct <br />\n";}
else echo "Incorrect answer. This is the correct answer: Question 9: Which is the only imaginary animal that is a sign in the Chinese zodiac?   Answer: Dragon <br />\n";

if ($answer10 == "Rooster" || "rooster") { $totalCorrect++; echo "Answer 10 was Correct <br />\n";}
else echo "Incorrect answer. This is the correct answer: Question 10: Which is the only bird that is a sign in the Chinese zodiac?    Answer: Rooster <br />\n";

以下是带有固定if语句的更新代码

if ($answer7 == "12" ||  $answer7 == "twelve") { $totalCorrect++; echo "Answer 7 was Correct <br />\n";}
else echo"Incorrect answer. This is the correct answer: Question 7: How many signs are in the Chinese zodiac?    Answer: 12 <br />\n";

if ($answer8 == "Snake" || $answer8 == "snake") { $totalCorrect++; echo "Answer 8 was Correct <br />\n";}
else echo "Incorrect answer. This is the correct answer: Question 8: Which is the only reptile that is a sign in the Chinese zodiac? Answer: Snake <br />\n";

if ($answer9 == "Dragon" || $answer9 == "dragon") { $totalCorrect++; echo "Answer 9 was Correct <br />\n";}
else echo "Incorrect answer. This is the correct answer: Question 9: Which is the only imaginary animal that is a sign in the Chinese zodiac?   Answer: Dragon <br />\n";

if ($answer10 == "Rooster" ||  $answer10 == "rooster") { $totalCorrect++; echo "Answer 10 was Correct <br />\n";}
else echo "Incorrect answer. This is the correct answer: Question 10: Which is the only bird that is a sign in the Chinese zodiac?    Answer: Rooster <br />\n";

Answer 1

您的if条件错误。

他们应该是if ( $answer7 == "12" || $answer7 == "twelve")

另请注意==和===执行不同的比较：How do the PHP equality (== double equals) and identity (=== triple equals) comparison operators differ?

更新：您应使用trim清除任何尾随空格的输入，并使用strtolower强制小写：

$answer7 = strtolower(trim($answer7));

Answer 2

您的条件如下：

if ($answer7 == "12" || "twelve")

应该是

if ($answer7 == "12" || $answer7 == "twelve")

或

if ( in_array($answer7, array("12","twelve")  )

由于你的第二个条件“十二”，你的支票总是如此。转换为布尔值的非空字符串被解释为true。

[以完整示例编辑]

$questions = array(
   7 => array(
    'question' => "How many signs are in the Chinese zodiac ?",
    'reponses' => array("12","douze")
   ),
   8 => array(
    'question' => "Which is the only reptile that is a sign in the Chinese zodiac ?",
    'reponses' => array("snake")
   ),
   9 => array(
    'question' => "Which is the only imaginary animal that is a sign in the Chinese zodiac ?",
    'reponses' => array("dragon")
   )
);

if( $_SERVER['REQUEST_METHOD'] == 'POST' ) {

    $totalCorrect = 0;

    foreach( $questions as $num => $question ) {
        $input = "question-{$num}-answers";
        if( isset($_POST[$input]) ) {
           if( in_array(strtolower(trim($_POST[$input])), $question['reponses']) ) {
              $totalCorrect++; 
              echo "Answer {$num} was Correct";
           }
           else 
              echo "Incorrect answer. This is the correct answer: Question {$num} : {$question['question']}    Answer : {$question['reponses'][0]}";
           echo "<br />\n"
        }
    }
}

对于非整数响应，您甚至可以使用 similar_text 或 levenshtein 等函数接受任何小的输入错误。

PHP测验表总是说填空题是真的

2 个答案: