You can use this:
$user = get_user_by( 'email', '[email protected]' );/*$user gives you all data*/
$first_name = $user->first_name;/*$first_name gives you first name*/
$last_name = $user->last_name;
You can use this:
$user = get_user_by( 'email', '[email protected]' );/*$user gives you all data*/
$first_name = $user->first_name;/*$first_name gives you first name*/
$last_name = $user->last_name;