diff options
| -rw-r--r-- | smppclient.class.php | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/smppclient.class.php b/smppclient.class.php index 1b39849..1d6fd53 100644 --- a/smppclient.class.php +++ b/smppclient.class.php @@ -580,8 +580,11 @@ class SmppClient // Read PDUs until the one we are looking for shows up, or a generic nack pdu with matching sequence or null sequence do{ $pdu=$this->readPDU(); - if ($pdu->sequence == $seq_number && ($pdu->id == $command_id || $pdu->id == SMPP::GENERIC_NACK)) return $pdu; - if ($pdu->sequence == null && $pdu->id == SMPP::GENERIC_NACK) return $pdu; + if ($pdu) { + if ($pdu->sequence == $seq_number && ($pdu->id == $command_id || $pdu->id == SMPP::GENERIC_NACK)) return $pdu; + if ($pdu->sequence == null && $pdu->id == SMPP::GENERIC_NACK) return $pdu; + array_push($this->pdu_queue, $pdu); // unknown PDU push to queue + } } while($pdu); return false; } |