Chilkat HOME .NET Core C# Android™ AutoIt C C# C++ Chilkat2-Python CkPython Classic ASP DataFlex Delphi ActiveX Delphi DLL Go Java Lianja Mono C# Node.js Objective-C PHP ActiveX PHP Extension Perl PowerBuilder PowerShell PureBasic Ruby SQL Server Swift 2 Swift 3,4,5... Tcl Unicode C Unicode C++ VB.NET VBScript Visual Basic 6.0 Visual FoxPro Xojo Plugin
(PHP Extension) PayPal Generate QR CodeGenerates a QR code for an invoice, by ID. The QR code is a PNG image in Base64-encoded format that corresponds to the invoice ID. Note: A QR code can only be generated for an invoice that has been both created and sent. See also Generate QR Code
<?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 v9.5.0.64 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 a path using an invoice ID. $sbPath = new CkStringBuilder(); $sbPath->Append('/v1/invoicing/invoices/invoice_id/qr-code'); $numReplacements = $sbPath->Replace('invoice_id','INV2-ZG2H-HKAW-PMWU-N6ZR'); $rest->AddHeader('Authorization',$sbAuth->getAsString()); // A 500x500 image results in a PNG file of approx. 4K bytes in size. $rest->AddQueryParam('width','500'); $rest->AddQueryParam('height','500'); $rest->AddQueryParam('action','pay'); // Send the GET request and get the PNG image data as base64. // A successful JSON response looks like this: // {"image":"iVBORw0KGgoAA....AASUVORK5CYII="} $sbJsonResponse = new CkStringBuilder(); $success = $rest->FullRequestNoBodySb('GET',$sbPath->getAsString(),$sbJsonResponse); if ($success != true) { print $rest->lastErrorText() . "\n"; exit; } $json = new CkJsonObject(); $json->put_EmitCompact(false); $json->LoadSb($sbJsonResponse); print 'Response Status Code = ' . $rest->get_ResponseStatusCode() . "\n"; // Did we get a 200 success response? if ($rest->get_ResponseStatusCode() != 200) { print $json->emit() . "\n"; print 'Failed.' . "\n"; exit; } // If the 200 response is received, the response body contains the PNG data. // Save the PNG to a file. $pngData = new CkBinData(); $pngData->AppendEncoded($json->stringOf('image'),'base64'); $success = $pngData->WriteFile('qa_output/paypal_qr_code.png'); if ($success == false) { print 'Failed to save PNG file.' . "\n"; exit; } print 'Success.' . "\n"; ?> |
© 2000-2024 Chilkat Software, Inc. All Rights Reserved.