What are some common pitfalls to avoid when implementing server login with .htaccess in PHP?

One common pitfall to avoid when implementing server login with .htaccess in PHP is not properly handling the authentication credentials passed by the server. To solve this issue, you should use PHP's `$_SERVER['PHP_AUTH_USER']` and `$_SERVER['PHP_AUTH_PW']` variables to access the username and password provided by the server. 

$username = $_SERVER['PHP_AUTH_USER'];
$password = $_SERVER['PHP_AUTH_PW'];

if ($username == 'admin' && $password == 'password') {
    // User is authenticated, proceed with the application
} else {
    header('WWW-Authenticate: Basic realm="Restricted Area"');
    header('HTTP/1.0 401 Unauthorized');
    echo 'Access Denied';
    exit;
}

Keywords

.htaccess server login PHP authentication security

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