Housekeeping

.gitattributes

@@ -1,11 +1,10 @@
 /.gitattributes         export-ignore
 /.editorconfig          export-ignore
 /.gitignore             export-ignore
-/.travis.yml            export-ignore
 /composer.lock          export-ignore
-/CODE_OF_CONDUCT.md     export-ignore
-/CONTRIBUTING.md        export-ignore
 /phpunit.xml.dist       export-ignore
+/phpunit.xml            export-ignore
+/phpstan.neon           export-ignore
 /tests                  export-ignore
 /.github                export-ignore
 

CODE_OF_CONDUCT.md → .github/CODE_OF_CONDUCT.md

@@ -106,7 +106,7 @@ Violating these terms may lead to a permanent ban.
 ### 4. Permanent Ban
 
 **Community Impact**: Demonstrating a pattern of violation of community
-standards, including sustained inappropriate behavior,  harassment of an
+standards, including sustained inappropriate behavior, harassment of an
 individual, or aggression toward or disparagement of classes of individuals.
 
 **Consequence**: A permanent ban from any sort of public interaction within

CONTRIBUTING.md → .github/CONTRIBUTING.md

@@ -14,7 +14,8 @@ Please be considerate towards maintainers when raising issues or presenting pull
 world that developers are civilized and selfless people.
 
 It's the duty of the maintainer to ensure that all submissions to the project are of sufficient
-quality to benefit the project. Many developers have different skillsets, strengths, and weaknesses. Respect the maintainer's decision, and do not be upset or abusive if your submission is not used.
+quality to benefit the project. Many developers have different skillsets, strengths, and weaknesses. Respect the
+maintainer's decision, and do not be upset or abusive if your submission is not used.
 
 ## Viability
 
@@ -40,16 +41,23 @@ Before submitting a pull request:
 
 If the project maintainer has any additional requirements, you will find them listed here.
 
-- **[PSR-2 Coding Standard](https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-2-coding-style-guide.md)** - The easiest way to apply the conventions is to install [PHP Code Sniffer](https://pear.php.net/package/PHP_CodeSniffer).
+- **[PSR-2 Coding Standard](https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-2-coding-style-guide.md)**
+  - The easiest way to apply the conventions is to
+  install [PHP Code Sniffer](https://pear.php.net/package/PHP_CodeSniffer).
 
 - **Add tests!** - Your patch won't be accepted if it doesn't have tests.
 
-- **Document any change in behaviour** - Make sure the `README.md` and any other relevant documentation are kept up-to-date.
+- **Document any change in behaviour** - Make sure the `README.md` and any other relevant documentation are kept
+  up-to-date.
 
-- **Consider our release cycle** - We try to follow [SemVer v2.0.0](https://semver.org/). Randomly breaking public APIs is not an option.
+- **Consider our release cycle** - We try to follow [SemVer v2.0.0](https://semver.org/). Randomly breaking public APIs
+  is not an option.
 
 - **One pull request per feature** - If you want to do more than one thing, send multiple pull requests.
 
-- **Send coherent history** - Make sure each individual commit in your pull request is meaningful. If you had to make multiple intermediate commits while developing, please [squash them](https://www.git-scm.com/book/en/v2/Git-Tools-Rewriting-History#Changing-Multiple-Commit-Messages) before submitting.
+- **Send coherent history** - Make sure each individual commit in your pull request is meaningful. If you had to make
+  multiple intermediate commits while developing,
+  please [squash them](https://www.git-scm.com/book/en/v2/Git-Tools-Rewriting-History#Changing-Multiple-Commit-Messages)
+  before submitting.
 
 **Happy coding**!

.github/ISSUE_TEMPLATE/bug_report.md

@@ -12,6 +12,7 @@ A clear and concise description of what the bug is.
 
 **To Reproduce**
 Steps to reproduce the behavior:
+
 1. Go to '...'
 2. Click on '....'
 3. Scroll down to '....'

.github/ISSUE_TEMPLATE/feature_request.md

@@ -8,7 +8,7 @@ assignees: ''
 ---
 
 **Is your feature request related to a problem? Please describe.**
-A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+A clear and concise description of what the issue is. Ex. I'm always frustrated when [...]
 
 **Describe the solution you'd like**
 A clear and concise description of what you want to happen.

.github/workflows/php.yml

@@ -1,10 +1,15 @@
 name: Tests
 
-on: [ push, pull_request ]
+on:
+  push:
+  pull_request:
+  schedule:
+    - cron: '0 0 1 * *'
 
 jobs:
   test:
     runs-on: ${{ matrix.os }}
+    timeout-minutes: 5
     strategy:
       fail-fast: true
       matrix:
@@ -16,7 +21,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2

README.md

@@ -5,21 +5,18 @@
 [![Total Downloads](http://poser.pugx.org/phpjuice/paypal-http-client/downloads)](https://packagist.org/packages/phpjuice/paypal-http-client)
 [![License](http://poser.pugx.org/phpjuice/paypal-http-client/license)](https://packagist.org/packages/phpjuice/paypal-http-client)
 
-This Package is a PHP Http Client. It provides a simple, fluent API to interact with PayPal rest API with both sandbox
-and production environments supported.
+This Package is a PHP Http Client. It provides a simple, fluent API to interact with PayPal rest API.
 
 To learn all about it, head over to the extensive [documentation](https://phpjuice.gitbook.io/paypal-checkout-sdk).
 
 ## Installation
 
-PayPal HTTP Client Package requires PHP 7.4 or higher.
+This Package requires PHP 7.4 or higher.
 
-> **INFO:** If you are using an older version of php this package may not function correctly.
-
-The supported way of installing PayPal HTTP Client package is via Composer.
+One can install this package via Composer.
 
 ```bash
-composer require phpjuice/paypal-http-client
+composer require "phpjuice/paypal-http-client"
 ```
 
 ## Setup
@@ -28,18 +25,19 @@ PayPal HTTP Client is designed to simplify using the new PayPal checkout api in
 
 ### Setup Credentials
 
-Get client ID and client secret by going
-to [https://developer.paypal.com/developer/applications](https://developer.paypal.com/developer/applications) and
-generating a REST API app. Get Client ID and Secret from there.
+Get client ID and client secret by visiting
+the [PayPal Developer Account](https://developer.paypal.com/developer/applications) and
+generating a REST API app.
 
-### Setup a Paypal Client
+### Setup Paypal Client
 
-Inorder to communicate with PayPal platform we need to set up a client first :
+In order to communicate with PayPal platform we need to set up a client first :
 
 #### Create a client with sandbox environment:
 
 ```php
-// import namespace
+<?php
+
 use PayPal\Http\Environment\SandboxEnvironment;
 use PayPal\Http\PayPalClient;
 
@@ -57,7 +55,8 @@ $client = new PayPalClient($environment);
 #### Create a client with production environment:
 
 ```php
-// import namespace
+<?php
+
 use PayPal\Http\Environment\ProductionEnvironment;
 use PayPal\Http\PayPalClient;
 
@@ -74,11 +73,11 @@ $client = new PayPalClient($environment);
 
 ## Changelog
 
-Please see the [changelog](changelog.md) for more information on what has changed recently.
+Please see the [CHANGELOG](changelog.md) for more information on what has changed recently.
 
 ## Contributing
 
-Please see [CONTRIBUTING.md](./CONTRIBUTING.md) for details and a todo list.
+Please see [CONTRIBUTING](./.github/CONTRIBUTING.md) for details and a todo list.
 
 ## Security
 
@@ -91,10 +90,4 @@ If you discover any security related issues, please email author instead of usin
 
 ## License
 
-license. Please see the [Licence](https://github.com/phpjuice/paypal-http-client/blob/main/LICENSE) for more
-information.
-
-![Tests](https://github.com/phpjuice/paypal-http-client/workflows/Tests/badge.svg?branch=main)
-[![Latest Stable Version](http://poser.pugx.org/phpjuice/paypal-http-client/v)](https://packagist.org/packages/phpjuice/paypal-http-client)
-[![Total Downloads](http://poser.pugx.org/phpjuice/paypal-http-client/downloads)](https://packagist.org/packages/phpjuice/paypal-http-client)
-[![License](http://poser.pugx.org/phpjuice/paypal-http-client/license)](https://packagist.org/packages/phpjuice/paypal-http-client)
+Please see the [Licence](./LICENSE) file.

composer.json

@@ -18,9 +18,9 @@
         }
     ],
     "require": {
-        "php": "^7.4|^8.0|^8.1",
+        "php": "^7.4 || ^8.0 || ^8.1",
         "ext-json": "*",
-        "guzzlehttp/psr7": "^1.6|^2.0",
+        "guzzlehttp/psr7": "^1.6 || ^2.0",
         "guzzlehttp/guzzle": "^7.0"
     },
     "require-dev": {
@@ -49,6 +49,9 @@
         ]
     },
     "config": {
-        "sort-packages": true
+        "sort-packages": true,
+        "allow-plugins": {
+            "pestphp/pest-plugin": true
+        }
     }
 }

src/AccessToken.php

@@ -6,29 +6,22 @@ class AccessToken
 {
     /**
      * Access token returned by PayPal.
-     *
-     * @var string
      */
     protected string $token;
 
     /**
      * Access token type.
      *
-     * @var string
      */
     protected string $token_type;
 
     /**
-     * time for access token to expires in seconds.
-     *
-     * @var int
+     * Time for access token to expires in seconds.
      */
     protected int $expires_in;
 
     /**
-     * time for creating access token to expires in seconds.
-     *
-     * @var int
+     * Time for creating access token to expires in seconds.
      */
     protected int $created_at;
 
@@ -41,34 +34,34 @@ public function __construct(string $token, string $token_type, int $expires_in)
     }
 
     /**
-     * gets the token.
+     * Get the token.
      */
     public function getToken(): ?string
     {
         return $this->token;
     }
 
     /**
-     * gets the token.
+     * Get the token type.
      */
     public function getTokenType(): ?string
     {
         return $this->token_type;
     }
 
     /**
-     * returns authorization string.
+     * Returns authorization string.
      */
     public function authorizationString(): string
     {
         return $this->token_type.' '.$this->token;
     }
 
     /**
-     * returns if a token is expired or not.
+     * Determines if the token is expired or not.
      */
     public function isExpired(): bool
     {
-        return time() >= $this->created_at + $this->expires_in;
+        return time() >= ($this->created_at + $this->expires_in);
     }
 }

src/Environment/Environment.php

@@ -4,18 +4,9 @@
 
 interface Environment
 {
-    /**
-     * @return string
-     */
     public function name(): string;
 
-    /**
-     * @return string
-     */
     public function baseUrl(): string;
 
-    /**
-     * @return string
-     */
     public function basicAuthorizationString(): string;
 }

src/Environment/PayPalEnvironment.php

@@ -6,15 +6,11 @@ abstract class PayPalEnvironment implements Environment
 {
     /**
      * Paypal client id.
-     *
-     * @var string
      */
     protected string $clientId;
 
     /**
      * PayPal client secret.
-     *
-     * @var string
      */
     protected string $clientSecret;
 
@@ -24,9 +20,6 @@ public function __construct(string $clientId, string $clientSecret)
         $this->clientSecret = $clientSecret;
     }
 
-    /**
-     * @return string
-     */
     public function basicAuthorizationString(): string
     {
         return base64_encode($this->clientId.':'.$this->clientSecret);

src/Environment/ProductionEnvironment.php

@@ -4,17 +4,11 @@
 
 class ProductionEnvironment extends PayPalEnvironment
 {
-    /**
-     * @return string
-     */
     public function baseUrl(): string
     {
         return 'https://api.paypal.com';
     }
 
-    /**
-     * @return string
-     */
     public function name(): string
     {
         return 'production';

src/Environment/SandboxEnvironment.php

@@ -4,17 +4,11 @@
 
 class SandboxEnvironment extends PayPalEnvironment
 {
-    /**
-     * @return string
-     */
     public function baseUrl(): string
     {
         return 'https://api.sandbox.paypal.com';
     }
 
-    /**
-     * @return string
-     */
     public function name(): string
     {
         return 'sandbox';