Added Github Action for PHP

.github/workflows/php.yml

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+name: PHP tests
+on: [push, pull_request]
+jobs:
+    # Check there is no syntax errors in the project
+    php-linter:
+        name: PHP Syntax check 5.6 => 8.1
+        runs-on: ubuntu-latest
+        steps:
+            - name: Checkout
+              uses: actions/[email protected]
+
+            - name: PHP syntax checker 5.6
+              uses: prestashop/github-action-php-lint/5.6@master
+
+            - name: PHP syntax checker 7.2
+              uses: prestashop/github-action-php-lint/7.2@master
+
+            - name: PHP syntax checker 7.3
+              uses: prestashop/github-action-php-lint/7.3@master
+
+            - name: PHP syntax checker 7.4
+              uses: prestashop/github-action-php-lint/7.4@master
+
+            - name: PHP syntax checker 8.0
+              uses: prestashop/github-action-php-lint/8.0@master
+
+            - name: PHP syntax checker 8.1
+              uses: prestashop/github-action-php-lint/8.1@master
+
+    # Check the PHP code follow the coding standards
+    php-cs-fixer:
+        name: PHP-CS-Fixer
+        runs-on: ubuntu-latest
+        steps:
+            - name: Setup PHP
+              uses: shivammathur/setup-php@v2
+              with:
+                php-version: '7.4'
+
+            - name: Checkout
+              uses: actions/[email protected]
+
+            - name: Cache dependencies
+              uses: actions/cache@v2
+              with:
+                path: vendor
+                key: php-${{ hashFiles('composer.lock') }}
+
+            - name: Install dependencies
+              run: composer install
+
+            - name: Run PHP-CS-Fixer
+              run: ./vendor/bin/php-cs-fixer fix --dry-run --diff --using-cache=no --diff-format udiff
+
+    # Run PHPStan against the module and a PrestaShop release
+    phpstan:
+        name: PHPStan
+        runs-on: ubuntu-latest
+        strategy:
+            matrix:
+                presta-versions: ['1.7.1.2', '1.7.2.5', '1.7.3.4', '1.7.4.4', '1.7.5.1', '1.7.6', '1.7.7', '1.7.8', 'latest']
+        steps:
+            - name: Setup PHP
+              uses: shivammathur/setup-php@v2
+              with:
+                  php-version: '7.4'
+
+            - name: Checkout
+              uses: actions/[email protected]
+
+            # Add vendor folder in cache to make next builds faster
+            - name: Cache vendor folder
+              uses: actions/cache@v1
+              with:
+                  path: vendor
+                  key: php-${{ hashFiles('composer.lock') }}
+
+            # Add composer local folder in cache to make next builds faster
+            - name: Cache composer folder
+              uses: actions/cache@v1
+              with:
+                  path: ~/.composer/cache
+                  key: php-composer-cache
+
+            - run: composer install
+
+            # Docker images prestashop/prestashop may be used, even if the shop remains uninstalled
+            - name: Execute PHPStan on PrestaShop (Tag ${{ matrix.presta-versions }})
+              run: ./tests/phpstan.sh ${{ matrix.presta-versions }}

.php_cs.dist

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+<?php
+
+$config = new PrestaShop\CodingStandards\CsFixer\Config();
+
+$config
+    ->setUsingCache(true)
+    ->getFinder()
+    ->in(__DIR__)
+    ->exclude('vendor');
+
+return $config;

tests/index.php

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+<?php
+/**
+ * 2007-2020 PrestaShop SA and Contributors
+ *
+ * NOTICE OF LICENSE
+ *
+ * This source file is subject to the Academic Free License 3.0 (AFL-3.0)
+ * that is bundled with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * https://opensource.org/licenses/AFL-3.0
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to [email protected] so we can send you a copy immediately.
+ *
+ * DISCLAIMER
+ *
+ * Do not edit or add to this file if you wish to upgrade PrestaShop to newer
+ * versions in the future. If you wish to customize PrestaShop for your
+ * needs please refer to https://www.prestashop.com for more information.
+ *
+ * @author    PrestaShop SA <[email protected]>
+ * @copyright 2007-2020 PrestaShop SA and Contributors
+ * @license   https://opensource.org/licenses/AFL-3.0 Academic Free License 3.0 (AFL-3.0)
+ * International Registered Trademark & Property of PrestaShop SA
+ */
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+
+header('Location: ../');
+exit;

tests/phpstan.sh

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+#!/bin/bash
+PS_VERSION=$1
+
+set -e
+
+# Docker images prestashop/prestashop may be used, even if the shop remains uninstalled
+echo "Pull PrestaShop files (Tag ${PS_VERSION})"
+
+docker rm -f temp-ps || true
+docker volume rm -f ps-volume || true
+
+docker run -tid --rm -v ps-volume:/var/www/html --name temp-ps prestashop/prestashop:$PS_VERSION
+
+# Clear previous instance of the module in the PrestaShop volume
+echo "Clear previous module"
+
+docker exec -t temp-ps rm -rf /var/www/html/modules/graphnvd3
+
+# Run a container for PHPStan, having access to the module content and PrestaShop sources.
+# This tool is outside the composer.json because of the compatibility with PHP 5.6
+echo "Run PHPStan using phpstan-${PS_VERSION}.neon file"
+
+docker run --rm --volumes-from temp-ps \
+       -v $PWD:/var/www/html/modules/graphnvd3 \
+       -e _PS_ROOT_DIR_=/var/www/html \
+       --workdir=/var/www/html/modules/graphnvd3 phpstan/phpstan:0.12 \
+       analyse \
+       --configuration=/var/www/html/modules/graphnvd3/tests/phpstan/phpstan-$PS_VERSION.neon

tests/phpstan/index.php

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+<?php
+/**
+ * Copyright since 2007 PrestaShop SA and Contributors
+ * PrestaShop is an International Registered Trademark & Property of PrestaShop SA
+ *
+ * NOTICE OF LICENSE
+ *
+ * This source file is subject to the Academic Free License 3.0 (AFL-3.0)
+ * that is bundled with this package in the file LICENSE.md.
+ * It is also available through the world-wide-web at this URL:
+ * https://opensource.org/licenses/AFL-3.0
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to [email protected] so we can send you a copy immediately.
+ *
+ * DISCLAIMER
+ *
+ * Do not edit or add to this file if you wish to upgrade PrestaShop to newer
+ * versions in the future. If you wish to customize PrestaShop for your
+ * needs please refer to https://devdocs.prestashop.com/ for more information.
+ *
+ * @author    PrestaShop SA and Contributors <[email protected]>
+ * @copyright Since 2007 PrestaShop SA and Contributors
+ * @license   https://opensource.org/licenses/AFL-3.0 Academic Free License 3.0 (AFL-3.0)
+ */
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+
+header('Location: ../');
+exit;

tests/phpstan/phpstan-1.7.1.2.neon

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+includes:
+	- %currentWorkingDirectory%/tests/phpstan/phpstan.neon

tests/phpstan/phpstan-1.7.2.5.neon

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+includes:
+	- %currentWorkingDirectory%/tests/phpstan/phpstan.neon

tests/phpstan/phpstan-1.7.3.4.neon

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+includes:
+	- %currentWorkingDirectory%/tests/phpstan/phpstan.neon

tests/phpstan/phpstan-1.7.4.4.neon

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+includes:
+	- %currentWorkingDirectory%/tests/phpstan/phpstan.neon

tests/phpstan/phpstan-1.7.5.1.neon

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+includes:
+	- %currentWorkingDirectory%/tests/phpstan/phpstan.neon

tests/phpstan/phpstan-1.7.6.neon

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+includes:
+	- %currentWorkingDirectory%/tests/phpstan/phpstan.neon

tests/phpstan/phpstan-1.7.7.neon

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+includes:
+	- %currentWorkingDirectory%/tests/phpstan/phpstan.neon

tests/phpstan/phpstan-1.7.8.neon

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+includes:
+	- %currentWorkingDirectory%/tests/phpstan/phpstan.neon

tests/phpstan/phpstan-latest.neon

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+includes:
+	- %currentWorkingDirectory%/tests/phpstan/phpstan.neon

tests/phpstan/phpstan.neon

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+includes:
+	- %currentWorkingDirectory%/vendor/prestashop/php-dev-tools/phpstan/ps-module-extension.neon
+parameters:
+  paths:
+    # From PHPStan 0.12, paths to check are relative to the neon file
+    - ../../graphnvd3.php
+  level: 5