Allow PHP 8.2 and higher

.editorconfig

@@ -0,0 +1,10 @@
+root = true
+
+[*]
+charset = utf-8
+indent_size = 4
+indent_style = space
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+max_line_length = 120

.github/workflows/unit.yaml

@@ -0,0 +1,39 @@
+name: Testing
+
+on: [push]
+
+jobs:
+
+  phpunit:
+    strategy:
+      matrix:
+        php-versions: [ '8.0', '8.1', '8.2' ]
+    name: 'PHPUnit [PHP ${{ matrix.php-versions }}]'
+    runs-on: ubuntu-latest
+    steps:
+      -   name: Checkout
+          uses: actions/checkout@master
+      -   name: Setup PHP
+          uses: shivammathur/setup-php@v2
+          with:
+            php-version: ${{ matrix.php-versions }}
+            tools: composer:v2
+            extensions: 'json curl xml openssl'
+          env:
+            update: true
+      -   name: Get Composer Cache Directory
+          id: composer-cache
+          run: 'echo "::set-output name=dir::$(composer config cache-files-dir)"'
+      -   name: Cache Composer Dependencies
+          uses: actions/cache@v2
+          with:
+            path: vendor
+            key: composer-${{ hashFiles('composer.lock') }}
+      -   name: Installing Composer Packages
+          run: 'composer install --no-scripts --prefer-dist'
+      -   name: Unit Tests
+          run: composer test:coverage -- --coverage-clover clover.xml
+      -   name: Upload to codecov
+          uses: codecov/codecov-action@v2
+          with:
+            files: ./clover.xml

.gitignore

@@ -2,3 +2,5 @@ vendor
 composer.lock
 amazon-pay.phar
 build
+
+.idea

AmazonPay/Client.php

@@ -7,22 +7,13 @@
  * returns Response Object
  */
 
-require_once 'ResponseParser.php';
-require_once 'HttpCurl.php';
-require_once 'ClientInterface.php';
-require_once 'Regions.php';
-if (!interface_exists('\Psr\Log\LoggerAwareInterface')) {
-    require_once(__DIR__.'/../Psr/Log/LoggerAwareInterface.php');
-}
-
-if (!interface_exists('\Psr\Log\LoggerInterface')) {
-    require_once(__DIR__.'/../Psr/Log/LoggerInterface.php');
-}
 use Psr\Log\LoggerAwareInterface;
-use Psr\Log\LoggerInterface;
+use Psr\Log\LoggerAwareTrait;
 
 class Client implements ClientInterface, LoggerAwareInterface
 {
+    use LoggerAwareTrait;
+
     const SDK_VERSION = '3.7.1';
     const MWS_VERSION = '2013-01-01';
     const MAX_ERROR_RETRY = 3;
@@ -62,9 +53,6 @@ class Client implements ClientInterface, LoggerAwareInterface
     private $profileEndpointUrls;
     private $regionMappings;
 
-    // Implement a logging library that utilizes the PSR 3 logger interface
-    private $logger = null;
-
     // Boolean variable to check if the API call was a success
     public $success = false;
 
@@ -101,11 +89,6 @@ public function __construct($config = null)
     }
 
 
-    public function setLogger(LoggerInterface $logger = null) {
-        $this->logger = $logger;
-    }
-
-
     /* Helper function to log data within the Client */
     private function logMessage($message) {
         if ($this->logger) {

AmazonPay/HttpCurl.php

@@ -5,8 +5,6 @@
  * Handles Curl POST function for all requests
  */
 
-require_once 'HttpCurlInterface.php';
-
 class HttpCurl implements HttpCurlInterface
 {
     private $config = array();

AmazonPay/IpnHandler.php

@@ -6,19 +6,12 @@
  * verifies that the IPN is from the right resource and has the valid data
  */
 
-require_once 'HttpCurl.php';
-require_once 'IpnHandlerInterface.php';
-if (!interface_exists('\Psr\Log\LoggerAwareInterface')) {
-    require_once(__DIR__.'/../Psr/Log/LoggerAwareInterface.php');
-}
-if (!interface_exists('\Psr\Log\LoggerInterface')) {
-    require_once(__DIR__.'/../Psr/Log/LoggerInterface.php');
-}
 use Psr\Log\LoggerAwareInterface;
-use Psr\Log\LoggerInterface;
+use Psr\Log\LoggerAwareTrait;
 
 class IpnHandler implements IpnHandlerInterface, LoggerAwareInterface
 {
+    use LoggerAwareTrait;
 
     private $headers = null;
     private $body = null;
@@ -29,9 +22,6 @@ class IpnHandler implements IpnHandlerInterface, LoggerAwareInterface
     private $expectedCnName = 'sns.amazonaws.com';
     private $defaultHostPattern = '/^sns\.[a-zA-Z0-9\-]{3,}\.amazonaws\.com(\.cn)?$/';
 
-    // Implement a logging library that utilizes the PSR 3 logger interface
-    private $logger = null;
-
     private $ipnConfig = array('cabundle_file'  => null,
                    'proxy_host'     => null,
                                'proxy_port'     => -1,
@@ -86,10 +76,6 @@ private function checkConfigKeys($ipnConfig)
         }
     }
 
-    public function setLogger(LoggerInterface $logger = null) {
-        $this->logger = $logger;
-    }
-
     /* Helper function to log data within the Client */
 
     private function logMessage($message) {

AmazonPay/ResponseParser.php

@@ -5,8 +5,6 @@
  * Methods provided to convert the Response from the POST to XML, Array or JSON
  */
 
-require_once 'ResponseInterface.php';
-
 class ResponseParser implements ResponseInterface
 {
     public $response = null;