| 1 | <?php
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| 2 | // =======================================================
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| 3 | // Example of how to format US Postal shipping information
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| 4 | // =======================================================
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| 5 | require_once ('jpgraph/jpgraph_barcode.php');
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| 6 |
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| 7 | // The Full barcode standard is described in
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| 8 | // http://www.usps.com/cpim/ftp/pubs/pub91/91c4.html#508hdr1
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| 9 | //
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| 10 | // The data start with AI=420 which means
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| 11 | // "Ship to/Deliver To Postal Code (within single authority)
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| 12 | //
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| 13 | class USPS_Confirmation {
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| 14 | function USPS_Confirmation() {
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| 15 | }
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| 16 |
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| 17 | // Private utility function
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| 18 | function _USPS_chkd($aData) {
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| 19 | $n = strlen($aData);
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| 20 |
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| 21 | // Add all even numbers starting from position 1 from the end
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| 22 | $et = 0 ;
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| 23 | for( $i=1; $i <= $n; $i+=2 ) {
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| 24 | $d = intval(substr($aData,-$i,1));
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| 25 | $et += $d;
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| 26 | }
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| 27 |
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| 28 | // Add all odd numbers starting from position 2 from the end
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| 29 | $ot = 0 ;
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| 30 | for( $i=2; $i <= $n; $i+=2 ) {
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| 31 | $d = intval(substr($aData,-$i,1));
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| 32 | $ot += $d;
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| 33 | }
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| 34 | $tot = 3*$et + $ot;
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| 35 | $chkdigit = (10 - ($tot % 10))%10;;
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| 36 | return $chkdigit;
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| 37 | }
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| 38 |
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| 39 | // Get type 1 of confirmation code (with ZIP)
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| 40 | function GetPICwithZIP($aZIP,$aServiceType,$aDUNS,$aSeqNbr) {
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| 41 | // Convert to USPS format with AI=420 and extension starting with AI=91
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| 42 | $data = '420'. $aZIP . '91' . $aServiceType . $aDUNS . $aSeqNbr;
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| 43 | // Only calculate the checkdigit from the AI=91 and forward
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| 44 | // and do not include the ~1 (FUNC1) in the calculation
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| 45 | $cd = $this->_USPS_chkd(substr($data,8));
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| 46 | $data = '420'. $aZIP . '~191' . $aServiceType . $aDUNS . $aSeqNbr;
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| 47 | return $data . $cd;
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| 48 | }
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| 49 |
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| 50 | // Get type 2 of confirmation code (without ZIP)
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| 51 | function GetPIC($aServiceType,$aDUNS,$aSeqNbr) {
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| 52 | // Convert to USPS format with AI=91
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| 53 | $data = '91' . $aServiceType . $aDUNS . $aSeqNbr;
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| 54 | $cd = $this->_USPS_chkd($data);
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| 55 | return $data . $cd;
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| 56 | }
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| 57 |
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| 58 | }
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| 59 |
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| 60 | $usps = new USPS_Confirmation();
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| 61 | $zip = '92663';
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| 62 | $service = '21';
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| 63 | $DUNS = '805213907';
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| 64 | $seqnr = '04508735';
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| 65 | $data = $usps->GetPICwithZIP($zip,$service,$DUNS,$seqnr);
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| 66 | //$data = $usps->GetPIC('01','123456789','00000001');
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| 67 |
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| 68 | $encoder = BarcodeFactory::Create(ENCODING_EAN128);
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| 69 | $e = BackendFactory::Create(BACKEND_IMAGE,$encoder);
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| 70 | $e->SetModuleWidth(2);
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| 71 | $e->SetFont(FF_ARIAL,FS_NORMAL,14);
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| 72 | $e->Stroke($data);
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| 73 |
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| 74 | ?> |
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