if ($signo == SIGINT || $signo == SIGTERM) {
$tx->close();
unset($tx);
exit;
}
}
/* Main
* a connection was openened. We send enquire_link to keep it up
* and listen to SMS coming this way.
*/
// send the first enquire_link if start_enquire is set
if ($tx->start_enquire) {
$tx->sendPDU(0x15, "", $tx->sequence_number++);
}
while (true) {
$sms = $tx->readSMS();
//check sms data
if ($sms && isset($sms['source_addr']) && isset($sms['destination_addr'])) {
$from = strlen($sms['source_addr']) == 11 ? substr($sms['source_addr'], 1) : $sms['source_addr'];
$short_code = $sms['destination_addr'];
// check where the message is stored in short_messsage or message_payload
if (!isset($sms['short_message']) || $sms['sm_length'] != strlen($sms['short_message']) || $sms['sm_length'] == 0) {
if (isset($sms['sar_total_segments']) && isset($sms['sar_segment_seqnum'])) {
if ($sms['sar_total_segments'] - $sms['sar_segment_seqnum'] == 0) {
//if it's the last part of payload, accumlate
$text = $sms['user_defined_payload'];
unset($sms['user_defined_payload']);
} else {
continue;
}
} else {
