/**
* 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);
}