(PHP Extension) Examine the Contents of a .p7m by Converting to XML

Examines the contents of a .p7m signature by converting it to XML.

Chilkat PHP Downloads PHP Extension for Windows, Linux, MacOS, Alpine Linux

<?php

include("chilkat.php");
// Use "chilkat_9_5_0.php" for versions of Chilkat < 10.0.0

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

$asn = new CkAsn();

$success = $asn->LoadBinaryFile('qa_data/p7m/a.p7m');
if ($success != true) {
    print $asn->lastErrorText() . "\n";
    exit;
}

// Convert to XML.
$strXml = $asn->asnToXml();

// The XML returned by AsnToXml will be compact.
// To get the XML indented in human-readable form, load
// into the Chilkat XML object and emit..
$xml = new CkXml();
$xml->LoadXml($strXml);

print $xml->getXml() . "\n";
$xml->SaveXml('qa_output/a.xml');

// -----------------------------------------------------------------------------------------
// Also see Chilkat's online tool to examine a .p7m and generate code to duplicate the .p7m
// -----------------------------------------------------------------------------------------

?>