scruffydan

/**
 * Utility function to check if a gravatar exists for a given email or id
 * @param int|string|object $id_or_email A user ID,  email address, or comment object
 * @return bool if the gravatar exists or not
 */

function validate_gravatar($id_or_email) {
  //id or email code borrowed from wp-includes/pluggable.php
	$email = '';