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<div style="font-weight: bold;margin-left:15px;">qrexample04.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 4 : QR Barcode with specified version and error correction level</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/QR/qrencoder.inc.php</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"> Data to be encoded</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$data</span><span class="hl-code"> = </span><span class="hl-quotes">'</span><span class="hl-string">01234567</span><span class="hl-quotes">'</span><span class="hl-code">;
</span><span class="hl-var">$version</span><span class="hl-code"> = </span><span class="hl-number">12</span><span class="hl-code">; </span><span class="hl-comment">//</span><span class="hl-comment"> Use QR version 4</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$corrlevel</span><span class="hl-code"> = </span><span class="hl-identifier">QRCapacity</span><span class="hl-code">::</span><span class="hl-identifier">ErrH</span><span class="hl-code"> ; </span><span class="hl-comment">//</span><span class="hl-comment"> Level H error correction (the highest possible)</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> Create a new instance of the encoder using the specified</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> QR version and error correction</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$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-var">$version</span><span class="hl-code">,</span><span class="hl-var">$corrlevel</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</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$backend</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetModuleWidth</span><span class="hl-brackets">(</span><span class="hl-number">3</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-comment">//</span><span class="hl-comment"> Store the barcode in the specifed file</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$backend</span><span class="hl-code">-&gt;</span><span class="hl-identifier">Stroke</span><span class="hl-brackets">(</span><span class="hl-var">$data</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-inlinetags">?&gt;</span></pre></td></tr></table></div>