获取循环中的所有数组值

Question

So here's my code in getting an input from a user on how many questions (multiple choice) he/she would like to make:

       Multiple choice: <input type = "text" name="MC"><br>

       <input type = "submit" name = "confirm" value = "Confirm">

After that, this is the code of how many questions the system will generate:

<?php

if(isset($_POST['confirm'])){

$MC = $_POST['MC'];
echo "<form method = 'POST' name = 'items' action ='createquestions.php'>";
$items = 1;

    for ($x = 1; $x <= $MC; $x++) {

        echo "Question Number $items:"; echo "<input type = 'text' name = 'questions[]' style='width: 500px'><br><br>";
        echo "A. "; echo "<input type = 'text' name = 'ans1[]'>";
        echo "B. "; echo "<input type = 'text' name = 'ans2[]'><br>";
        echo "C. "; echo "<input type = 'text' name = 'ans3[]'>";
        echo "D. "; echo "<input type = 'text' name = 'ans4[]'><br>";
        echo "Correct Answer: "; echo "<input type = 'text' name ='cans[]'><br><br>";
        $items++;

    }
        echo "<input type ='submit' name = 'save' value = 'Save'>";
        echo "</form>";
}
?>
<?php

The problem is that it will only save the last input of the user. For example, I have inputted 2 in the Multiple choice: --textbox here-- This code will generate 2 questions, 8 choices, 2 cans = correct answer but it will only save the 2nd question, answers, and the correct answer. the system won't get the record of the 1st question, answer, and the correct answer.

Here is the code where I would insert it on the database:

<?php

    if(isset($_POST['save'])){

        $user_id = $_SESSION['id'];
        $questions = $_POST['questions']; 
        $ans1 = $_POST['ans1'];
        $ans2 = $_POST['ans2'];
        $ans3 = $_POST['ans3'];
        $ans4 = $_POST['ans4'];
        $cans = $_POST['cans'];


        foreach($questions as $q){
            echo "<input type = 'hidden' value = '$q'>";
        }

        require_once('xcon.php');

        $query = "INSERT INTO mcq (mc_id, user_id, questions, ans1, ans2, ans3, ans4, cans) 
              VALUES ('NULL','$user_id','$q','$ans1','$ans2','$ans3','$ans4','$cans')";
    $result = mysql_query($query);

    if($result){
        echo 'Insert Success!';
    }
    else{
        echo 'Error';
    }

}

?>

Answer 1

When you save you should be running through a loop again. Try this maybe?

<?php

    if(isset($_POST['save'])){
        $user_id = $_SESSION['id'];
        require_once('xcon.php');
        foreach ($_POST['questions'] as $key => $question){
            $ans1 = $_POST['ans1'][$key];
            $ans2 = $_POST['ans2'][$key];
            $ans3 = $_POST['ans3'][$key];
            $ans4 = $_POST['ans4'][$key];
            $cans = $_POST['cans'][$key];


            echo "<input type = 'hidden' value = '$question'>";

            $query = "INSERT INTO mcq (mc_id, user_id, questions, ans1, ans2, ans3, ans4, cans) 
                  VALUES ('NULL','$user_id','$question','$ans1','$ans2','$ans3','$ans4','$cans')";
            $result = mysql_query($query);

            if($result){
                echo 'Insert Success!<br>';
            }else{
                echo 'Error<br>';
            }
        }    
    }

?>