Add PHPCS (+ fixer) and set coding style to PSR12

.editorconfig

@@ -0,0 +1,26 @@
+# This file is for unifying the coding style for different editors and IDEs
+# editorconfig.org
+
+root = true
+
+[*.md]
+charset = utf-8
+end_of_line = lf
+
+[{*.neon, *.xml}]
+indent_style = tab
+indent_size = 4
+
+[*.json]
+indent_style = space
+indent_size = 4
+
+# PHP PSR-12 Coding Standards
+# http://www.php-fig.org/psr/psr-12/
+[*.php]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+indent_style = space
+indent_size = 4

.github/workflows/ci.yml

@@ -85,6 +85,30 @@ jobs:
         run: |
           vendor/bin/php-coveralls --coverage_clover="./clover.xml" --json_path="./coveralls-upload.json" -v
 
+  php-compatibility:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@e2f20e631ae6d7dd3b768f56a5d2af784dd54791 # v2.5.0
+
+      - name: Get Composer Cache Directory
+        id: composer-cache
+        run: |
+          echo "::set-output name=dir::$(composer config cache-files-dir)"
+
+      - uses: actions/cache@9b0c1fce7a93df8e3bb8926b0d6e9d89e92f20a7 # v3.0.11
+        with:
+          path: ${{ steps.composer-cache.outputs.dir }}
+          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-composer-
+
+      - name: Install Dependencies
+        run: composer install --no-ansi --no-interaction --no-scripts --no-progress --prefer-dist --ignore-platform-req php
+
+      - name: Run PHP Code Sniffer using the PHPCompatibility standard
+        run: vendor/bin/phpcs
+
   php-static-analysis:
     runs-on: ubuntu-latest
 

composer.json

@@ -1,50 +1,59 @@
 {
-	"name": "10up/wp_mock",
-	"description": "A mocking library to take the pain out of unit testing for WordPress",
-	"license": "GPL-2.0-or-later",
-	"version": "0.5.0",
-	"require": {
-		"php": ">=7.3 < 9.0",
-		"phpunit/phpunit": "^9.5.24",
-		"mockery/mockery": "^1.5",
-		"antecedent/patchwork": "^2.1"
-	},
-	"require-dev": {
-		"behat/behat": "^v3.11.0",
-		"sebastian/comparator": "^4.0.8",
-		"php-coveralls/php-coveralls": "^v2.5.3",
-		"sempro/phpunit-pretty-print": "^1.4",
-		"phpstan/phpstan": "^1.9",
-		"phpstan/phpstan-phpunit": "^1.2",
-		"phpstan/phpstan-mockery": "^1.1"
-	},
-	"autoload": {
-		"psr-4": {
-			"WP_Mock\\": "./php/WP_Mock"
-		},
-		"classmap": [
-			"php/WP_Mock.php"
-		]
-	},
-	"config": {
-		"platform": {
-			"php" : "7.3"
-		}
-	},
-	"autoload-dev"   : {
-		"classmap": ["tests"]
-	},
-	"scripts": {
-		"test:behat": "behat",
-		"test:phpunit": "phpunit",
-		"test:phpunitcov": "phpunit --coverage-clover build/logs/clover.xml",
-		"test": [
-			"@test:behat",
-			"@test:phpunit"
-		],
-		"coverage": [
-			"@test:behat",
-			"@test:phpunitcov"
-		]
-	}
-}
+    "name": "10up/wp_mock",
+    "description": "A mocking library to take the pain out of unit testing for WordPress",
+    "license": "GPL-2.0-or-later",
+    "version": "0.5.0",
+    "prefer-stable" : true,
+    "require": {
+        "php": ">=7.3 < 9.0",
+        "phpunit/phpunit": "^9.5.24",
+        "mockery/mockery": "^1.5",
+        "antecedent/patchwork": "^2.1"
+    },
+    "require-dev": {
+        "behat/behat": "^v3.11.0",
+        "sebastian/comparator": "^4.0.8",
+        "php-coveralls/php-coveralls": "^v2.5.3",
+        "sempro/phpunit-pretty-print": "^1.4",
+        "phpstan/phpstan": "^1.9",
+        "phpstan/phpstan-phpunit": "^1.2",
+        "phpstan/phpstan-mockery": "^1.1",
+        "phpcompatibility/php-compatibility": "^9.3",
+        "friendsofphp/php-cs-fixer": "^3.4",
+        "dealerdirect/phpcodesniffer-composer-installer": "^0.7.2"
+    },
+    "autoload": {
+        "psr-4": {
+            "WP_Mock\\": "./php/WP_Mock"
+        },
+        "classmap": [
+            "php/WP_Mock.php"
+        ]
+    },
+    "config": {
+        "platform": {
+            "php" : "7.3"
+        },
+        "allow-plugins": {
+            "dealerdirect/phpcodesniffer-composer-installer": true
+        }
+    },
+    "autoload-dev"   : {
+        "classmap": ["tests"]
+    },
+    "scripts": {
+        "test:behat": "behat",
+        "test:phpunit": "phpunit",
+        "test:phpunitcov": "phpunit --coverage-clover build/logs/clover.xml",
+        "test": [
+            "@test:behat",
+            "@test:phpunit"
+        ],
+        "coverage": [
+            "@test:behat",
+            "@test:phpunitcov"
+        ],
+        "post-install-cmd": "\"vendor/bin/phpcs\" --config-set installed_paths vendor/phpcompatibility/php-compatibility",
+        "post-update-cmd" : "\"vendor/bin/phpcs\" --config-set installed_paths vendor/phpcompatibility/php-compatibility"
+    }
+}