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PHP Requires Chilkat v11.0.0+

Parse Multipart Binary Http Response

See more HTTP Examples

This example demonstrates how to parse an HTTP response that is multipart and contains a binary file, such as a .zip or .pdf.

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Chilkat2 PHP
<?php

use Chilkat2\BinData;
use Chilkat2\Http;
use Chilkat2\HttpRequest;
use Chilkat2\HttpResponse;
use Chilkat2\Mime;

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

$http = new Http();
$req = new HttpRequest();

// ...
// Insert code here to construct some kind of HTTP request.
// this example is to show how to parse a particular kind of response.
// ...
// ...

// Send the request (whatever it may be in your case) to get the HTTP response object.
$resp = new HttpResponse();
try {
    $http->HttpSReq('www.somedomain.com', 443, true, $req, $resp);

    // Get the response body (which is expected to be binary)
    $respBody = new BinData();
    $resp->GetBodyBd($respBody);

    // For this example, the response body contains something like this:

    // ------=_Part_21302_2029949381.1547401515443
    // Content-Type: application/xop+xml; charset=UTF-8; type="text/xml"
    // Content-Transfer-Encoding: 8bit
    // Content-ID: <rootpart@ws.jboss.org>
    //
    // <env:Envelope xmlns:env='http://schemas.xmlsoap.org/soap/envelope/'><env:Header></env:Header><env:Body>...</env:Body></env:Envelope>
    // ------=_Part_21302_2029949381.1547401515443
    // Content-Type: application/octet-stream
    // Content-Transfer-Encoding: binary
    // Content-Id: <fileArchivio-7d302908-4d64-43d3-bf4e-79ce806d43b3@ws.jboss.org>
    //
    // BINARY_CONTENT_HERE...
    //
    // ------=_Part_21302_2029949381.1547401515443--
    //

    // Load it into a Chilkat MIME object.
    $mime = new Mime();
    $mime->LoadMimeBd($respBody);
} catch (\Chilkat2\Exception $e) {
    echo $e->getMessage(), "\n";
    exit;
}

$numParts = $mime->NumParts;
if ($numParts < 2) {
    echo "Expected multipart MIME with at least 2 sub-parts.\n";
    exit;
}

// Get the 1st sub-part, which is the XML.

$part0 = new Mime();
$mime->PartAt(0, $part0);

// Should be OK because we checked NumParts above..
$xmlStr = $part0->GetBodyDecoded();
echo $xmlStr, "\n";
echo "----\n";

// Save the 2nd part to a file.  (It is a .zip file in our test case..)

$part1 = new Mime();
$mime->PartAt(1, $part1);

$part1->SaveBody('qa_output/attachedZip.zip');

// Alternatively, we could extract the binary data to a BinData and use elsewhere..
$zipData = new BinData();
$part1->GetBodyBd($zipData);
$zipData->WriteFile('qa_output/attachedZip_again.zip');

echo "OK.\n";