I am displaying all questions from the mysql database. When i click submit the name, and emailadress is saved correctly.
But question_id and answer_id is just saving blank rows? Why?
I'm i missing something with the sql function for insert the answers?
index.php:
include ('connection.php');
function getQuestions($con) {
// generate all quetions
$query = "SELECT * FROM questions";
$result = @mysqli_query($con, $query);
if ($result) {
while($row = mysqli_fetch_array($result, MYSQLI_ASSOC)) {
$body = $row['question_body'];
$question_id = $row['question_id'];
echo '
<tr>
<form action="insert.php" method="POST">
<td>'.$question_id, $body.'</td>
<td><input type="radio" name="answer_value" value="1"></td>
<td><input type="radio" name="answer_value" value="2"></td>
<td><input type="radio" name="answer_value" value="3"></td>
</tr>
</form>
<br/>';
}
}
}
echo'
<form action="insert.php" method="post">
Firstname: <input type="text" name="firstname">
Lastname: <input type="text" name="lastname">
Email: <input type="text" name="email">
<input type="submit">
</form>';
insert.php:
<?php
include ('connection.php');
// escape variables for security
$firstname = mysqli_real_escape_string($con, $_POST['firstname']);
$lastname = mysqli_real_escape_string($con, $_POST['lastname']);
$email = mysqli_real_escape_string($con, $_POST['email']);
$sql="INSERT INTO users (FirstName, LastName, Email)
VALUES ('$firstname', '$lastname', '$email')";
if (!mysqli_query($con,$sql)) {
die('Error: ' . mysqli_error($con));
}
echo "User added <br>";
// escape variables for security
$question_id = mysqli_real_escape_string($con, $_POST['question_id']);
$answer_value = mysqli_real_escape_string($con, $_POST['answer_value']);
$sql="INSERT INTO answers (question_id, answer_value)
VALUES ('$question_id', '$answer_value')";
if (!mysqli_query($con,$sql)) {
die('Error: ' . mysqli_error($con));
}
echo "Answers added";
mysqli_close($con);
?>