add_action( 'show_user_profile', 'my_custom_user_fields' );
add_action( 'edit_user_profile', 'my_custom_user_fields' );
function my_custom_user_fields( $user ) {
    add_action( 'show_user_profile', 'my_custom_user_fields' );
add_action( 'edit_user_profile', 'my_custom_user_fields' );
function my_custom_user_fields( $user ) {
    $user_id = $user->ID;
    $facebook   = get_user_meta( $user_id, 'facebook', true );
    $twitter    = get_user_meta( $user_id, 'twitter', true );
    $youtube    = get_user_meta( $user_id, 'youtube', true );
    $template = '
    
Social Media Accounts
    

        

            
Facebook
            

                

                Please enter your Facebook URL.
            
        
        

            
Twitter
            

                

                Please enter your Twitter URL.
            
        
        
        

            
Youtube
            

                

                Please enter your Youtube URL.
            
        
    
    ';
    echo $template;
}
}
        

                
add_action( 'personal_options_update', 'save_my_custom_usermeta_fields' );
add_action( 'edit_user_profile_update', 'save_my_custom_usermeta_fields' );
 
function save_my_custom_usermeta_fields( $user_id ) {
    if ( !current_user_can( 'edit_user', $user_id ) ){
        // Do not run the code if current user can't edit user
        return false;
    }
    update_usermeta( $user_id, 'facebook', $_POST['facebook'] );
    update_usermeta( $user_id, 'twitter', $_POST['twitter'] );
    update_usermeta( $user_id, 'youtube', $_POST['youtube'] );
}