Fix links to Developer API Reference #1302

* Fix links to Developer API Reference

sample/billing/CreateBillingAgreementWithPayPal.php

@@ -3,8 +3,8 @@
 // # Create Billing Agreement with PayPal as Payment Source
 //
 // This sample code demonstrate how you can create a billing agreement, as documented here at:
-// https://developer.paypal.com/docs/api/#create-an-agreement
-// API used: /v1/payments/billing-agreements
+// https://developer.paypal.com/docs/api/payments.billing-agreements/v1/#billing-agreements_post
+// API used: POST /v1/payments/billing-agreements
 
 // Retrieving the Plan from the Create Update Sample. This would be used to
 // define Plan information to create an agreement. Make sure the plan you are using is in active state.

sample/billing/CreatePlan.php

@@ -3,8 +3,8 @@
 // # Create Plan Sample
 //
 // This sample code demonstrate how you can create a billing plan, as documented here at:
-// https://developer.paypal.com/docs/api/#create-a-plan
-// API used: /v1/payments/billing-plans
+// https://developer.paypal.com/docs/api/payments.billing-plans/v1/#billing-plans_post
+// API used: POST /v1/payments/billing-plans
 
 require __DIR__ . '/../bootstrap.php';
 use PayPal\Api\ChargeModel;

sample/billing/DeletePlan.php

@@ -3,8 +3,8 @@
 // # Delete Plan Sample
 //
 // This sample code demonstrate how you can delete a billing plan, as documented here at:
-// https://developer.paypal.com/docs/api/#retrieve-a-plan
-// API used: /v1/payments/billing-plans
+// https://developer.paypal.com/docs/api/payments.billing-plans/v1/#billing-plans_patch
+// API used: PATCH /v1/payments/billing-plans/{plan_id}
 
 // Retrieving the Plan object from Create Plan Sample
 /** @var Plan $createdPlan */

sample/billing/GetBillingAgreement.php

@@ -3,8 +3,8 @@
 // # Get Billing Agreement Sample
 //
 // This sample code demonstrate how you can get a billing agreement, as documented here at:
-// https://developer.paypal.com/docs/api/#retrieve-an-agreement
-// API used: /v1/payments/billing-agreements/<Agreement-Id>
+// https://developer.paypal.com/docs/api/payments.billing-agreements/v1/#billing-agreements_get
+// API used: GET /v1/payments/billing-agreements/{agreement_id}
 require __DIR__ . '/../bootstrap.php';
 
 // Retrieving the Agreement object from Create Agreement From Credit Card Sample

sample/billing/GetPlan.php

@@ -3,8 +3,8 @@
 // # Get Plan Sample
 //
 // This sample code demonstrate how you can get a billing plan, as documented here at:
-// https://developer.paypal.com/docs/api/#retrieve-a-plan
-// API used: /v1/payments/billing-plans
+// https://developer.paypal.com/docs/api/payments.billing-plans/v1/#billing-plans_get
+// API used: GET /v1/payments/billing-plans
 
 // Retrieving the Plan object from Create Plan Sample
 /** @var Plan $createdPlan */

sample/billing/ListPlans.php

@@ -3,8 +3,8 @@
 // # Get List of Plan Sample
 //
 // This sample code demonstrate how you can get a list of billing plan, as documented here at:
-// https://developer.paypal.com/docs/api/#list-plans
-// API used: /v1/payments/billing-plans
+// https://developer.paypal.com/docs/api/payments.billing-plans/v1/#billing-plans_list
+// API used: GET /v1/payments/billing-plans
 
 // Retrieving the Plan object from Create Plan Sample to demonstrate the List
 /** @var Plan $createdPlan */

sample/billing/ReactivateBillingAgreement.php

@@ -3,8 +3,8 @@
 // # Reactivate an agreement
 //
 // This sample code demonstrate how you can reactivate a billing agreement, as documented here at:
-// https://developer.paypal.com/docs/api/#suspend-an-agreement
-// API used: /v1/payments/billing-agreements/<Agreement-Id>/suspend
+// https://developer.paypal.com/docs/api/payments.billing-agreements/v1/#billing-agreements_re-activate
+// API used: POST /v1/payments/billing-agreements/{agreement_id}/re-activate
 
 // Retrieving the Agreement object from Suspend Agreement Sample to demonstrate the List
 /** @var Agreement $suspendedAgreement */

sample/billing/SearchBillingTransactions.php

@@ -3,8 +3,8 @@
 // # Search Billing Transactions Sample
 //
 // This sample code demonstrate how you can search all billing transactions, as documented here at:
-// https://developer.paypal.com/docs/api/#search-for-transactions
-// API used: GET /v1/payments/billing-agreements/<Agreement-Id>/transactions? start-date=yyyy-mm-dd&end-date=yyyy-mm-dd
+// https://developer.paypal.com/docs/api/payments.billing-agreements/v1/#billing-agreements_transactions
+// API used: GET /v1/payments/billing-agreements/{agreement_id}/transactions? start-date=yyyy-mm-dd&end-date=yyyy-mm-dd
 
 // Retrieving the Agreement object from Get Billing Agreement. This may not be necessary if you are trying to search for transactions of already created Agreement.
 /** @var Agreement $agreement */

sample/billing/SuspendBillingAgreement.php

@@ -3,8 +3,8 @@
 // # Suspend an agreement
 //
 // This sample code demonstrate how you can suspend a billing agreement, as documented here at:
-// https://developer.paypal.com/docs/api/#suspend-an-agreement
-// API used: /v1/payments/billing-agreements/<Agreement-Id>/suspend
+// https://developer.paypal.com/docs/api/payments.billing-agreements/v1/#billing-agreements_suspend
+// API used: POST /v1/payments/billing-agreements/{agreement_id}/suspend
 
 // Retrieving the Agreement object from Create Agreement Sample to demonstrate the List
 require __DIR__ . '/../bootstrap.php';

sample/billing/UpdateBillingAgreement.php

@@ -3,8 +3,8 @@
 // # Update an agreement
 //
 // This sample code demonstrate how you can update a billing agreement, as documented here at:
-// https://developer.paypal.com/docs/api/#update-an-agreement
-// API used: /v1/payments/billing-agreements/<Agreement-Id>
+// https://developer.paypal.com/docs/api/payments.billing-agreements/v1/#billing-agreements_patch
+// API used: PATCH /v1/payments/billing-agreements/{agreement_id}
 
 require __DIR__ . '/../bootstrap.php';
 

sample/billing/UpdatePlan.php

@@ -3,8 +3,8 @@
 // # Update a plan
 //
 // This sample code demonstrate how you can update a billing plan, as documented here at:
-// https://developer.paypal.com/docs/api/#update-a-plan
-// API used:  /v1/payments/billing-plans/<Plan-Id>
+// https://developer.paypal.com/docs/api/payments.billing-plans/v1/#billing-plans_patch
+// API used: PATCH /v1/payments/billing-plans/{plan_id}
 
 // ### Making Plan Active
 // This example demonstrate how you could activate the Plan.

sample/billing/UpdatePlanPaymentDefinitions.php

@@ -3,8 +3,8 @@
 // # Update a plan
 //
 // This sample code demonstrate how you can update a billing plan, as documented here at:
-// https://developer.paypal.com/docs/api/#update-a-plan
-// API used:  /v1/payments/billing-plans/<Plan-Id>
+// https://developer.paypal.com/docs/api/payments.billing-plans/v1/#billing-plans_patch
+// API used: PATCH /v1/payments/billing-plans/{plan_id}
 
 // ### Changing Plan Amount
 // This example demonstrate how you could change the plan amount