PHP ActiveX

Google Contacts - Delete a Contact

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Demonstrates how to delete a Google Contact. PHP ActiveX

<?php

$success = 0;

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

// --------------------------------------------------------------------------------------------------------
// Note: The code for setting up the Chilkat REST object and making the initial connection can be done once.
// Once connected, the REST object may be re-used for many REST API calls.
// (It's a good idea to put the connection setup code in a separate function/subroutine.)
// --------------------------------------------------------------------------------------------------------

// It is assumed we previously obtained an OAuth2 access token.
// This example loads the JSON access token file 
// saved by this example: Get Google Contacts OAuth2 Access Token

$jsonToken = new COM("Chilkat.JsonObject");
$success = $jsonToken->LoadFile('qa_data/tokens/googleContacts.json');
if ($success != 1) {
    print 'Failed to load googleContacts.json' . "\n";
    exit;
}

$gAuth = new COM("Chilkat.AuthGoogle");
$gAuth->AccessToken = $jsonToken->stringOf('access_token');

$rest = new COM("Chilkat.Rest");

// Connect using TLS.
$bAutoReconnect = 1;
$success = $rest->Connect('www.google.com',443,1,$bAutoReconnect);

// Provide the authentication credentials (i.e. the access token)
$rest->SetAuthGoogle($gAuth);

// ----------------------------------------------
// OK, the REST connection setup is completed..
// ----------------------------------------------

// To update a contact, we'll first get the contact information
// to get the etag.

// To retrieve the contact, send the following:
// 	GET /m8/feeds/contacts/default/full/{contactId}
// 	GData-Version: 3.0

$rest->AddHeader('GData-Version','3.0');

$sbPath = new COM("Chilkat.StringBuilder");
$sbPath->Append('/m8/feeds/contacts/default/full/{contactId}');
// Get the contact having contactId = "5b6d64980b1ed462"
$numReplacements = $sbPath->Replace('{contactId}','5b6d64980b1ed462');

$sbResponseBody = new COM("Chilkat.StringBuilder");
$success = $rest->FullRequestNoBodySb('GET',$sbPath->getAsString(),$sbResponseBody);
if ($success != 1) {
    print $rest->LastErrorText . "\n";
    exit;
}

// A successful response will have a status code equal to 200.
if ($rest->ResponseStatusCode != 200) {
    print 'response status code = ' . $rest->ResponseStatusCode . "\n";
    print 'response status text = ' . $rest->ResponseStatusText . "\n";
    print 'response header: ' . $rest->ResponseHeader . "\n";
    print 'response body: ' . $sbResponseBody->getAsString() . "\n";
    exit;
}

// If the 200 response was received, then the contacts XML is contained
// in the response body.
$xml = new COM("Chilkat.Xml");
$xml->LoadSb($sbResponseBody,0);

print $xml->getXml() . "\n";
print '-------------------' . "\n";

// Get the etag:
$lastKnownEtag = $xml->getAttrValue('gd:etag');
print 'lastKnownEtag = ' . $lastKnownEtag . "\n";
print '-------------------' . "\n";

// To delete, send the following:

// 	DELETE /m8/feeds/contacts/default/full/{contactId}
// 	If-Match: {lastKnownEtag}
// 	GData-Version: 3.0

$rest->ClearAllHeaders();
$rest->AddHeader('If-Match',$lastKnownEtag);
$rest->AddHeader('GData-Version','3.0');

// The sbPath already contains the correct path..
$success = $rest->FullRequestNoBodySb('DELETE',$sbPath->getAsString(),$sbResponseBody);
if ($success != 1) {
    print $rest->LastErrorText . "\n";
    exit;
}

// A successful response will have a status code equal to 200.
if ($rest->ResponseStatusCode != 200) {
    print 'response status code = ' . $rest->ResponseStatusCode . "\n";
    print 'response status text = ' . $rest->ResponseStatusText . "\n";
    print 'response header: ' . $rest->ResponseHeader . "\n";
    print 'response body: ' . $sbResponseBody->getAsString() . "\n";
    print 'request header: ' . $rest->LastRequestHeader . "\n";
    exit;
}

// The response body for a successful DELETE is empty.
print 'Response Body: (should be empty)' . "\n";
print $sbResponseBody->getAsString() . "\n";
print 'Success.' . "\n";

?>