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<div style="font-weight: bold;margin-left:15px;">qrexample09.php</div><link rel="stylesheet" href="../phphl.css" type="text/css"><div class="hl-main"><table class="hl-table" width="100%"><tr><td class="hl-gutter" align="right" valign="top"><pre>1
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</pre></td><td class="hl-main" valign="top"><pre><span class="hl-inlinetags">&lt;?php</span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> Example 9 : QR Barcode with data read from file and different colors</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> Include the library</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-reserved">require_once</span><span class="hl-code"> </span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">jpgraph/jpgraph.php</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-reserved">require_once</span><span class="hl-code"> </span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">jpgraph/QR/qrencoder.inc.php</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$readFromFilename</span><span class="hl-code"> = </span><span class="hl-quotes">'</span><span class="hl-string">qr-input.txt</span><span class="hl-quotes">'</span><span class="hl-code">;
</span><span class="hl-comment">//</span><span class="hl-comment"> Create a new instance of the encoder and let the library</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> decide a suitable QR version and error level</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$encoder</span><span class="hl-code"> = </span><span class="hl-reserved">new</span><span class="hl-code"> </span><span class="hl-identifier">QREncoder</span><span class="hl-brackets">(</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-comment">//</span><span class="hl-comment"> Use the image backend</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$backend</span><span class="hl-code"> = </span><span class="hl-identifier">QRCodeBackendFactory</span><span class="hl-code">::</span><span class="hl-identifier">Create</span><span class="hl-brackets">(</span><span class="hl-var">$encoder</span><span class="hl-code">, </span><span class="hl-identifier">BACKEND_IMAGE</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-comment">//</span><span class="hl-comment"> Set the module size (quite big)</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$backend</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetModuleWidth</span><span class="hl-brackets">(</span><span class="hl-number">5</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-comment">//</span><span class="hl-comment"> Use blue and white colors instead</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$backend</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetColor</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">navy</span><span class="hl-quotes">'</span><span class="hl-code">,</span><span class="hl-quotes">'</span><span class="hl-string">white</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-comment">//</span><span class="hl-comment"> .. send the barcode back to the browser for the data in the file</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$backend</span><span class="hl-code">-&gt;</span><span class="hl-identifier">StrokeFromFile</span><span class="hl-brackets">(</span><span class="hl-var">$readFromFilename</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-inlinetags">?&gt;</span></pre></td></tr></table></div>