Inizializzazione

jpgraph-3.5.0b1/src/Examples/qrexample12.php

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+<?php
+// Include the library
+require_once ('jpgraph/QR/qrencoder.inc.php');
+
+// Example 11 : Generate postscript output
+
+$data         = 'ABCDEFGH01234567'; // Data to be encoded
+$version      = -1;  // -1 = Let the library decide version (same as default)
+$corrlevel    = QRCapacity::ErrH; // Error correction level H (Highest possible)
+$modulewidth  = 1;
+
+// Create a new instance of the encoder using the specified
+// QR version and error correction
+$encoder = new QREncoder($version,$corrlevel);
+
+// Use the image backend
+$backend = QRCodeBackendFactory::Create($encoder, BACKEND_ASCII);
+
+// Set the module size
+$backend->SetModuleWidth($modulewidth);
+
+// Store the barcode in the specifed file
+$ps_str = $backend->Stroke($data);
+
+echo '<pre>'.$ps_str.'</pre>';
+?>