How can one implement a login system for administrators and editors in a PHP blog using form submission?

To implement a login system for administrators and editors in a PHP blog using form submission, you can create a login form that collects the username and password. Upon form submission, you can validate the credentials against a database of users with appropriate roles. If the credentials are correct, you can set a session variable to indicate the user's role and redirect them to the appropriate dashboard. 

<?php
session_start();

// Check if the form is submitted
if ($_SERVER["REQUEST_METHOD"] == "POST") {
    // Validate the username and password
    $username = $_POST['username'];
    $password = $_POST['password'];

    // Check the credentials against a database
    if ($username == 'admin' && $password == 'adminpass') {
        $_SESSION['role'] = 'admin';
        header('Location: admin_dashboard.php');
        exit;
    } elseif ($username == 'editor' && $password == 'editorpass') {
        $_SESSION['role'] = 'editor';
        header('Location: editor_dashboard.php');
        exit;
    } else {
        echo "Invalid credentials. Please try again.";
    }
}
?>

<form method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>">
    <label for="username">Username:</label>
    <input type="text" name="username" id="username" required><br>
    <label for="password">Password:</label>
    <input type="password" name="password" id="password" required><br>
    <input type="submit" value="Login">
</form>

Keywords

PHP login system administrators editors form submission

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