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(PHP Extension) PayPal - Cancel Sent InvoiceCancels a sent invoice, by ID, and, optionally, sends a notification about the cancellation to the payer, merchant, and Cc: emails. Note: This example requires Chilkat v9.5.0.65 or greater.
<?php // The version number (9_5_0) should match version of the Chilkat extension used, omitting the micro-version number. // For example, if using Chilkat v9.5.0.48, then include as shown here: include("chilkat_9_5_0.php"); // Note: Requires Chilkat v9.5.0.65 or greater. // This requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // Load our previously obtained access token. (see PayPal OAuth2 Access Token) $jsonToken = new CkJsonObject(); $jsonToken->LoadFile('qa_data/tokens/paypal.json'); // Build the Authorization request header field value. $sbAuth = new CkStringBuilder(); // token_type should be "Bearer" $sbAuth->Append($jsonToken->stringOf('token_type')); $sbAuth->Append(' '); $sbAuth->Append($jsonToken->stringOf('access_token')); // Make the initial connection. // A single REST object, once connected, can be used for many PayPal REST API calls. // The auto-reconnect indicates that if the already-established HTTPS connection is closed, // then it will be automatically re-established as needed. $rest = new CkRest(); $bAutoReconnect = true; $success = $rest->Connect('api.sandbox.paypal.com',443,true,$bAutoReconnect); if ($success != true) { print $rest->lastErrorText() . "\n"; exit; } // ---------------------------------------------------------------------------------------------- // The code above this comment could be placed inside a function/subroutine within the application // because the connection does not need to be made for every request. Once the connection is made // the app may send many requests.. // ---------------------------------------------------------------------------------------------- // Build the JSON request body containing the reminder information: $json = new CkJsonObject(); $json->put_EmitCompact(false); $json->UpdateString('subject','Past due'); $json->UpdateString('note','Canceling invoice'); $json->UpdateBool('send_to_merchant',true); $json->UpdateBool('send_to_payer',true); print $json->emit() . "\n"; // The JSON created by the above code: // { // "subject": "Past due", // "note": "Canceling invoice", // "send_to_merchant": true, // "send_to_payer": true // } // Build a path using a previously-sent invoice ID. $sbPath = new CkStringBuilder(); $sbPath->Append('/v1/invoicing/invoices/invoice_id/cancel'); $numReplacements = $sbPath->Replace('invoice_id','INV2-XPWZ-NUTQ-LNWB-P8NC'); $json->put_EmitCompact(true); $sbRequestBody = new CkStringBuilder(); $sbResponseBody = new CkStringBuilder(); $rest->AddHeader('Content-Type','application/json'); $rest->AddHeader('Authorization',$sbAuth->getAsString()); $json->EmitSb($sbRequestBody); $success = $rest->FullRequestSb('POST',$sbPath->getAsString(),$sbRequestBody,$sbResponseBody); if ($success != true) { print $rest->lastErrorText() . "\n"; exit; } print 'Response Status Code = ' . $rest->get_ResponseStatusCode() . "\n"; // In our testing, we received a 204 response, which is a success HTTP response code, but // differs from the PayPal REST API reference documentation, which states that a 202 response // is expected. I suspect an error in the PayPal documentation, or in the PayPal responder. // Check for either 202 or 204.. // Did we get a 202 accepted response? if (($rest->get_ResponseStatusCode() != 202) and ($rest->get_ResponseStatusCode() != 204)) { print $sbResponseBody->getAsString() . "\n"; print 'Failed.' . "\n"; exit; } // The 202/204 response should be empty. (Again, our experience differs from the online PayPal documentation..) print 'Success.' . "\n"; ?> |
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