/**
* Reverts headers to previous state after use of apply_once() & disable_once()
*/
static function _reset()
{
if (!empty(self::$tmp)) {
self::$args = self::$tmp;
self::$tmp = array();
} elseif (self::$tmp === false) {
self::$args = array();
self::$tmp = array();
self::remove();
} else {
self::add();
}
remove_action('phpmailer_init', array(__CLASS__, '_reset'));
}
