Inizializzazione

jpgraph-3.5.0b1/src/Examples/qrexample08.php

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+<?php
+    // Example 8 : QR Barcode with data read from file
+
+    // Include the library
+    require_once ('jpgraph/jpgraph.php');
+    require_once ('jpgraph/QR/qrencoder.inc.php');
+
+    $readFromFilename = 'qr-input.txt';
+
+    // Create a new instance of the encoder and let the library
+    // decide a suitable QR version and error level
+    $encoder=new QREncoder();
+
+    // Use the image backend
+    $backend=QRCodeBackendFactory::Create($encoder, BACKEND_IMAGE);
+
+    // Set the module size (quite big)
+    $backend->SetModuleWidth(5);
+
+    // .. send the barcode back to the browser for the data in the file
+    $backend->StrokeFromFile($readFromFilename);
+?>