/** * Clean up user inputted Periscope username value before saving the option * * @since 1.3.0 * * @param string $username inputted Periscope username value * * @return string sanitized Periscope username value */ public static function sanitize($username) { if (!is_string($username)) { return ''; } $username = trim($username); if (!$username) { return ''; } $username = sanitize_text_field($username); if (!$username) { return ''; } return \Twitter\Helpers\Validators\PeriscopeUsername::sanitize($username); }