[WordPress] Programmatically Update User Profiles

update-user-profile.php

<?php

add_action( 'personal_options_update',  'acme_save_user_permissions' );
add_action( 'edit_user_profile_update', 'acme_save_user_permissions' );
/**
 * Allows an administrator to update his/her profile as well as all other
 * user profiles.
 *
 * @param int $user_id The ID of the user profile being edited.
 */
function acme_save_user_permissions( $user_id ) {

  // If the current user doesn't have administrative priveleges, exit.
	if ( ! current_user_can( 'manage_options' ) ) {
		return;
	}
	
	/* Check the contents of the data to be saved (and sanitize it), then update
	 * the information with the user's profile.
	 */
	 
}