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(PHP ActiveX) Insert PDF as Base64 into XML, then Extract back to PDF File

Demonstrates how to insert any file into XML using base64 encoding, and then extract back to the original file. This example embeds a PDF in the XML, but the type of file does not matter. It can be any type of file.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

Note: The php_com_dotnet.dll may need to be enabled inside of php.ini.

<?php

// Load our PDF file.
$bd = new COM("Chilkat_9_5_0.BinData");
$success = $bd->LoadFile('qa_data/helloWorld.pdf');
if ($success != 1) {
    print 'Failed to load PDF file.' . "\n";
    exit;
}

// Load the following XML:
// 
// <?xml version="1.0" encoding="utf-8" ?>
// <something>
//     <xyz>
//         <abc123>A base64 encoded PDF file will be inserted under this node.</abc123>
//     </xyz>
// </something>

$xml = new COM("Chilkat_9_5_0.Xml");
$success = $xml->LoadXmlFile('qa_data/xml/xmlToContainPdf.xml');
if ($success != 1) {
    print 'Failed to load XML file.' . "\n";
    exit;
}

// Insert the PDF into the XML.
$xml->NewChild2('xyz|pdfData',$bd->getEncoded('base64'));

// Show the new XML:
print $xml->getXml() . "\n";

// The XML now looks like this:
// <?xml version="1.0" encoding="utf-8" ?>
// <something>
//     <xyz>
//         <abc123>A base64 encoded PDF file will be inserted under this node.</abc123>
//         <pdfData>JVBERi0xL ... UlRU9GCg==</pdfData>
//     </xyz>
// </something>

// To extract the PDF data out and restore the PDF file:
$bd2 = new COM("Chilkat_9_5_0.BinData");
$success = $bd2->AppendEncoded($xml->getChildContent('xyz|pdfData'),'base64');
$success = $bd2->WriteFile('qa_output/helloWorld.pdf');

print 'Success.' . "\n";

?>

 

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