// 4) Make them unique -- weed out duplicates
// (Coded for PHP 4.0.0)
$url_replytoall_extra_addrs =
- array_keys(array_flip($url_replytoall_extra_addrs);
+ array_keys(array_flip($url_replytoall_extra_addrs));
// 5) Remove the addresses we'll be sending the message 'to'
$url_replytoall_avoid_addrs = parseAddrs($message->header->replyto);