if (user_exists($username)) { echo $username . ' exists'; } else { echo $username . ' does not exist'; }
$user_info = get_user_info($username); echo 'Username: ' . $user_info['username']; echo 'Email: ' . $user_info['email']; echo 'Bio: ' . $user_info['bio'];Package library: It is difficult to determine the package library for the php User whoIs function as it is commonly implemented as a custom function within a specific application or website rather than being included in a widely-used package or library.