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webbserverprogrammering/projekt/quiz/
createtable.php
dbconnection.php
deletepost.php
deletetable.php
insertdefaultposts.php
insertposts.php
leaderboard.php
log_in.php
log_out.php
main.php
question_maker.php
quiz_form.php
quiz_list.php
quiz_maker.php
result.php
selectposts.php
sign_in.php
style.js
updateposts.php
updateposts.php
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<!-- updatepost.php -->
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Update</title>
</head>
<body>
<?php
include ('dbconnection.php');
$message = null;
$getid = null;
$getusername = null;
$getpassword = null;
if (isset($_POST['username']) && isset($_POST['password']) &&
isset($_POST['id']) && !empty($_POST['username']) &&
!empty($_POST['password']) && !empty($_POST['id'])) {
$id = $_POST['id'];
$username = $_POST['username'];
$password = $_POST['password'];
try {
# prepare
$sql = "UPDATE quiz_users' SET username=?, password=?
WHERE id=?";
$stmt = $dbconn->prepare($sql);
# the data we want to insert
$data = array($username, $password, $id);
# execute width array-parameter
$stmt->execute($data);
$message .= "<br />Record updated successfully.<br />";
// clear form from info
$_GET['id'] = null;
}
catch(PDOException $e)
{
$message .= $sql . "<br>" . $e->getMessage();
}
} else {
$message .= "<br />Först väljer du en post.
Sen måste du fylla i minst förnamn och efternamn!<br /><br />";
}
if (isset($_GET['id']) && !empty($_GET['id']) ) {
$id = $_GET['id'];
try {
# prepare
$sql = "SELECT * FROM quiz_users' WHERE id=?";
$stmt = $dbconn->prepare($sql);
# the data we want to insert
$data = array($id);
# execute width array-parameter
$stmt->execute($data);
$res = $stmt->fetch(PDO::FETCH_ASSOC);
$getid = htmlentities($res['id']);
$getusername = htmlentities($res['username']);
$getpassword = htmlentities($res['password']);
$message .= "<br />Record was selected successfully.<br />";
}
catch(PDOException $e)
{
$message .= $sql . "<br>" . $e->getMessage();
}
} else {
$message .= "<br />Välj en ny post att uppdatera.<br /><br />";
}
echo $message;
?>
<form method="post" action="">
<table>
<tr>
<td>Förnamn*:</td>
<td>
<input type="text" name="username" size="40" maxlength="40"
value="<?= $getusername; ?>">
</td>
</tr>
<tr>
<td>Efternamn*:</td>
<td>
<input type="text" name="password" size="40" maxlength="40"
value="<?= $getpassword; ?>">
</td>
</tr>
<tr>
<td>* = obligatoriskt</td>
<td>
<button type="submit">Lägg till</button>
<input type="hidden" name="id" value="<?= $getid; ?>">
</td>
</tr>
</table>
</form>
<?php
// Ouput table with all posts
/*** The SQL SELECT statement ***/
$sql = "SELECT * FROM quiz_users'";
$stmt = $dbconn->prepare($sql);
// fetch width column names, create a table
$data = array();
$stmt->execute($data);
$output = "<table><caption>En ostylad tabell!</caption>";
while ($res = $stmt->fetch(PDO::FETCH_ASSOC)) {
$idx = htmlentities($res['id']);
$first = htmlentities($res['username']);
$last = htmlentities($res['password']);
$output .= "<tr>".
"<td><a href='?id=$idx'>$idx</a></td>".
"<td>$first</td>".
"<td>$last</td>".
"</tr>";
}
$output .= "</table>";
echo "$output";
$dbconn = null;
?>
</body>
</html>