(PHP Extension) PayPal - Create a PayPal Payment

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Creates a payment to be paid from a PayPal account (as opposed to being funded by a credit card).

Note: This example requires Chilkat v9.5.0.65 or greater.

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

<?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 containing the transaction information.
$json = new CkJsonObject();
$json->put_EmitCompact(false);
$json->UpdateString('intent','sale');
$json->UpdateString('redirect_urls.return_url','http://www.example.com/return_url');
$json->UpdateString('redirect_urls.cancel_url','http://www.example.com/cancel_url');
$json->UpdateString('payer.payment_method','paypal');
$json->UpdateString('transactions[0].amount.total','7.47');
$json->UpdateString('transactions[0].amount.currency','USD');
$json->UpdateString('transactions[0].description','This is the payment transaction description.');

print $json->emit() . "\n";

// The JSON created by the above code is this:

// 	{ 
// 	  "intent": "sale",
// 	  "redirect_urls": { 
// 	    "return_url": "http://www.example.com/return_url",
// 	    "cancel_url": "http://www.example.com/cancel_url"
// 	  },
// 	  "payer": { 
// 	    "payment_method": "paypal"
// 	  },
// 	  "transactions": [
// 	    { 
// 	      "amount": { 
// 	        "total": "7.47",
// 	        "currency": "USD"
// 	      },
// 	      "description": "This is the payment transaction description."
// 	    }
// 	  ]
// 	}

$rest->AddHeader('Authorization',$sbAuth->getAsString());
$rest->AddHeader('Content-Type','application/json');

// Send the POST request containign the JSON in the request body, and get the JSON response.
$sbJsonRequest = new CkStringBuilder();
$json->put_EmitCompact(true);
$json->EmitSb($sbJsonRequest);
$sbJsonResponse = new CkStringBuilder();
$success = $rest->FullRequestSb('POST','/v1/payments/payment',$sbJsonRequest,$sbJsonResponse);
if ($success != true) {
    print $rest->lastErrorText() . "\n";
    exit;
}

$json->put_EmitCompact(false);
$json->LoadSb($sbJsonResponse);

print 'Response Status Code = ' . $rest->get_ResponseStatusCode() . "\n";

// Did we get a 201 success response?
if ($rest->get_ResponseStatusCode() != 201) {
    print $json->emit() . "\n";
    print 'Failed.' . "\n";
    exit;
}

// Sample JSON response is shown below.
print $json->emit() . "\n";
print 'success' . "\n";

// ------------------------------------------------
// A sample JSON response:

// 	{ 
// 	  "id": "PAY-1XK50350XV338620BLA3CZGI",
// 	  "intent": "sale",
// 	  "state": "created",
// 	  "payer": { 
// 	    "payment_method": "paypal",
// 	    "use_vendor_currency_conversion": false
// 	  },
// 	  "transactions": [
// 	    { 
// 	      "amount": { 
// 	        "total": "7.47",
// 	        "currency": "USD"
// 	      },
// 	      "description": "This is the payment transaction description.",
// 	      "related_resources": [
// 	      ]
// 	    }
// 	  ],
// 	  "create_time": "2016-11-23T23:56:09Z",
// 	  "links": [
// 	    { 
// 	      "href": "https://api.sandbox.paypal.com/v1/payments/payment/PAY-1XK50350XV338620BLA3CZGI",
// 	      "rel": "self",
// 	      "method": "GET"
// 	    },
// 	    { 
// 	      "href": "https://www.sandbox.paypal.com/cgi-bin/webscr?cmd=_express-checkout&token=EC-0BG932459F977083J",
// 	      "rel": "approval_url",
// 	      "method": "REDIRECT"
// 	    },
// 	    { 
// 	      "href": "https://api.sandbox.paypal.com/v1/payments/payment/PAY-1XK50350XV338620BLA3CZGI/execute",
// 	      "rel": "execute",
// 	      "method": "POST"
// 	    }
// 	  ]
// 	}

?>