74 lines
2.2 KiB
PHP
74 lines
2.2 KiB
PHP
<?php
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// =======================================================
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// Example of how to format US Postal shipping information
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// =======================================================
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require_once ('jpgraph/jpgraph_barcode.php');
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// The Full barcode standard is described in
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// http://www.usps.com/cpim/ftp/pubs/pub91/91c4.html#508hdr1
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//
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// The data start with AI=420 which means
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// "Ship to/Deliver To Postal Code (within single authority)
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//
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class USPS_Confirmation {
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function USPS_Confirmation() {
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}
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// Private utility function
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function _USPS_chkd($aData) {
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$n = strlen($aData);
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// Add all even numbers starting from position 1 from the end
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$et = 0 ;
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for( $i=1; $i <= $n; $i+=2 ) {
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$d = intval(substr($aData,-$i,1));
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$et += $d;
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}
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// Add all odd numbers starting from position 2 from the end
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$ot = 0 ;
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for( $i=2; $i <= $n; $i+=2 ) {
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$d = intval(substr($aData,-$i,1));
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$ot += $d;
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}
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$tot = 3*$et + $ot;
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$chkdigit = (10 - ($tot % 10))%10;;
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return $chkdigit;
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}
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// Get type 1 of confirmation code (with ZIP)
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function GetPICwithZIP($aZIP,$aServiceType,$aDUNS,$aSeqNbr) {
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// Convert to USPS format with AI=420 and extension starting with AI=91
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$data = '420'. $aZIP . '91' . $aServiceType . $aDUNS . $aSeqNbr;
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// Only calculate the checkdigit from the AI=91 and forward
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// and do not include the ~1 (FUNC1) in the calculation
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$cd = $this->_USPS_chkd(substr($data,8));
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$data = '420'. $aZIP . '~191' . $aServiceType . $aDUNS . $aSeqNbr;
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return $data . $cd;
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}
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// Get type 2 of confirmation code (without ZIP)
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function GetPIC($aServiceType,$aDUNS,$aSeqNbr) {
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// Convert to USPS format with AI=91
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$data = '91' . $aServiceType . $aDUNS . $aSeqNbr;
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$cd = $this->_USPS_chkd($data);
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return $data . $cd;
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}
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}
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$usps = new USPS_Confirmation();
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$zip = '92663';
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$service = '21';
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$DUNS = '805213907';
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$seqnr = '04508735';
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$data = $usps->GetPICwithZIP($zip,$service,$DUNS,$seqnr);
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//$data = $usps->GetPIC('01','123456789','00000001');
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$encoder = BarcodeFactory::Create(ENCODING_EAN128);
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$e = BackendFactory::Create(BACKEND_IMAGE,$encoder);
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$e->SetModuleWidth(2);
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$e->SetFont(FF_ARIAL,FS_NORMAL,14);
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$e->Stroke($data);
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?>
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