Inizializzazione

jpgraph-3.5.0b1/src/Examples/qrexample10.php

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+<?php
+    // Example 10 : Specified error correction level
+
+    // Include the library
+    require_once ('jpgraph/QR/qrencoder.inc.php');
+
+    $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)
+
+    // 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_IMAGE);
+
+    // Set the module size
+    $backend->SetModuleWidth(3);
+
+    // Set color
+    $backend->SetColor('brown','white');
+
+    // Store the barcode in the specifed file
+    $backend->Stroke($data);
+?>