Get current user info in wordpress.

<?php global $current_user;
get_currentuserinfo();

echo ‘Username: ‘ . $current_user->user_login . “n”;
echo ‘User email: ‘ . $current_user->user_email . “n”;
echo ‘User level: ‘ . $current_user->user_level . “n”;
echo ‘User first name: ‘ . $current_user->user_firstname . “n”;
echo ‘User last name: ‘ . $current_user->user_lastname . “n”;
echo ‘User display name: ‘ . $current_user->display_name . “n”;
echo ‘User ID: ‘ . $current_user->ID . “n”;
?>