How can PHP beginners troubleshoot issues with login functionality on their website?

To troubleshoot login functionality on a website, beginners can start by checking the database connection, verifying the user input validation, and ensuring the session management is correctly implemented. They can also debug the code by using print statements or error logs to identify any errors in the login process. 

// Sample code snippet for checking database connection
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "database";

$conn = new mysqli($servername, $username, $password, $dbname);

if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
}

Keywords

PHP login functionality troubleshooting error messages debugging

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