build: add PHPCompatibility sniffs

composer.json

@@ -10,8 +10,8 @@
         "lint:fix": "composer run lint:php:fix && npm run lint:fix",
         "format": "npm run format",
         "format:fix": "npm run format:fix",
-        "lint:php": "./vendor/bin/phpcs --standard='WordPress' --colors --encoding=utf-8 -n -p --ignore=*/vendor/* ./*.php ./*/*.php ./*/*/*.php",
+        "lint:php": "./vendor/bin/phpcs --standard=WordPress --colors --encoding=utf-8 -n -p --ignore=./vendor,./node_modules ./**/*.php && ./vendor/bin/phpcs --standard=PHPCompatibilityWP --runtime-set testVersion 7.0- --colors --encoding=utf-8 -n -p --ignore=./vendor,./node_modules ./**/*.php",
-        "lint:php:fix": "./vendor/bin/phpcbf --standard='WordPress' --encoding=utf-8 -p --ignore=*/vendor/* ./*.php ./*/*.php ./*/*/*.php", 
+        "lint:php:fix": "./vendor/bin/phpcbf --standard=WordPress --encoding=utf-8 -p --ignore=./vendor,./node_modules ./**/*.php && ./vendor/bin/phpcbf --standard=PHPCompatibilityWP --runtime-set testVersion 7.0- --encoding=utf-8 -p --ignore=./vendor,./node_modules ./**/*.php", 
         "lint:css": "npm run lint:css",
         "lint:css:fix": "npm run lint:css:fix",
         "lint:js": "npm run lint:js",
@@ -24,9 +24,12 @@
     },
     "require-dev": {
         "dealerdirect/phpcodesniffer-composer-installer": "^0.7.1",
+        "phpcompatibility/php-compatibility": "*",
         "wp-coding-standards/wpcs": "^2.3",
         "phpdocumentor/phpdocumentor": "^3.0",
         "damianopetrungaro/php-commitizen": "^0.2.0",
-        "marcocesarato/php-conventional-changelog": "^1.9"
+        "marcocesarato/php-conventional-changelog": "^1.9",
-    }
+        "phpcompatibility/phpcompatibility-wp": "*"
+    },
+    "prefer-stable": true
 }

composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "c15a58a62ba5d8b2d7f3273717a8381a",
+    "content-hash": "635644be9174c16cb944ef5f2bf46e80",
     "packages": [],
     "packages-dev": [
         {
@@ -1624,6 +1624,178 @@
             },
             "time": "2020-12-20T10:01:03+00:00"
         },
+        {
+            "name": "phpcompatibility/php-compatibility",
+            "version": "9.3.5",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/PHPCompatibility/PHPCompatibility.git",
+                "reference": "9fb324479acf6f39452e0655d2429cc0d3914243"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/PHPCompatibility/PHPCompatibility/zipball/9fb324479acf6f39452e0655d2429cc0d3914243",
+                "reference": "9fb324479acf6f39452e0655d2429cc0d3914243",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3",
+                "squizlabs/php_codesniffer": "^2.3 || ^3.0.2"
+            },
+            "conflict": {
+                "squizlabs/php_codesniffer": "2.6.2"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "~4.5 || ^5.0 || ^6.0 || ^7.0"
+            },
+            "suggest": {
+                "dealerdirect/phpcodesniffer-composer-installer": "^0.5 || This Composer plugin will sort out the PHPCS 'installed_paths' automatically.",
+                "roave/security-advisories": "dev-master || Helps prevent installing dependencies with known security issues."
+            },
+            "type": "phpcodesniffer-standard",
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "LGPL-3.0-or-later"
+            ],
+            "authors": [
+                {
+                    "name": "Wim Godden",
+                    "homepage": "https://github.com/wimg",
+                    "role": "lead"
+                },
+                {
+                    "name": "Juliette Reinders Folmer",
+                    "homepage": "https://github.com/jrfnl",
+                    "role": "lead"
+                },
+                {
+                    "name": "Contributors",
+                    "homepage": "https://github.com/PHPCompatibility/PHPCompatibility/graphs/contributors"
+                }
+            ],
+            "description": "A set of sniffs for PHP_CodeSniffer that checks for PHP cross-version compatibility.",
+            "homepage": "http://techblog.wimgodden.be/tag/codesniffer/",
+            "keywords": [
+                "compatibility",
+                "phpcs",
+                "standards"
+            ],
+            "support": {
+                "issues": "https://github.com/PHPCompatibility/PHPCompatibility/issues",
+                "source": "https://github.com/PHPCompatibility/PHPCompatibility"
+            },
+            "time": "2019-12-27T09:44:58+00:00"
+        },
+        {
+            "name": "phpcompatibility/phpcompatibility-paragonie",
+            "version": "1.3.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/PHPCompatibility/PHPCompatibilityParagonie.git",
+                "reference": "ddabec839cc003651f2ce695c938686d1086cf43"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/PHPCompatibility/PHPCompatibilityParagonie/zipball/ddabec839cc003651f2ce695c938686d1086cf43",
+                "reference": "ddabec839cc003651f2ce695c938686d1086cf43",
+                "shasum": ""
+            },
+            "require": {
+                "phpcompatibility/php-compatibility": "^9.0"
+            },
+            "require-dev": {
+                "dealerdirect/phpcodesniffer-composer-installer": "^0.7",
+                "paragonie/random_compat": "dev-master",
+                "paragonie/sodium_compat": "dev-master"
+            },
+            "suggest": {
+                "dealerdirect/phpcodesniffer-composer-installer": "^0.7 || This Composer plugin will sort out the PHP_CodeSniffer 'installed_paths' automatically.",
+                "roave/security-advisories": "dev-master || Helps prevent installing dependencies with known security issues."
+            },
+            "type": "phpcodesniffer-standard",
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "LGPL-3.0-or-later"
+            ],
+            "authors": [
+                {
+                    "name": "Wim Godden",
+                    "role": "lead"
+                },
+                {
+                    "name": "Juliette Reinders Folmer",
+                    "role": "lead"
+                }
+            ],
+            "description": "A set of rulesets for PHP_CodeSniffer to check for PHP cross-version compatibility issues in projects, while accounting for polyfills provided by the Paragonie polyfill libraries.",
+            "homepage": "http://phpcompatibility.com/",
+            "keywords": [
+                "compatibility",
+                "paragonie",
+                "phpcs",
+                "polyfill",
+                "standards"
+            ],
+            "support": {
+                "issues": "https://github.com/PHPCompatibility/PHPCompatibilityParagonie/issues",
+                "source": "https://github.com/PHPCompatibility/PHPCompatibilityParagonie"
+            },
+            "time": "2021-02-15T10:24:51+00:00"
+        },
+        {
+            "name": "phpcompatibility/phpcompatibility-wp",
+            "version": "2.1.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/PHPCompatibility/PHPCompatibilityWP.git",
+                "reference": "b7dc0cd7a8f767ccac5e7637550ea1c50a67b09e"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/PHPCompatibility/PHPCompatibilityWP/zipball/b7dc0cd7a8f767ccac5e7637550ea1c50a67b09e",
+                "reference": "b7dc0cd7a8f767ccac5e7637550ea1c50a67b09e",
+                "shasum": ""
+            },
+            "require": {
+                "phpcompatibility/php-compatibility": "^9.0",
+                "phpcompatibility/phpcompatibility-paragonie": "^1.0"
+            },
+            "require-dev": {
+                "dealerdirect/phpcodesniffer-composer-installer": "^0.7"
+            },
+            "suggest": {
+                "dealerdirect/phpcodesniffer-composer-installer": "^0.7 || This Composer plugin will sort out the PHP_CodeSniffer 'installed_paths' automatically.",
+                "roave/security-advisories": "dev-master || Helps prevent installing dependencies with known security issues."
+            },
+            "type": "phpcodesniffer-standard",
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "LGPL-3.0-or-later"
+            ],
+            "authors": [
+                {
+                    "name": "Wim Godden",
+                    "role": "lead"
+                },
+                {
+                    "name": "Juliette Reinders Folmer",
+                    "role": "lead"
+                }
+            ],
+            "description": "A ruleset for PHP_CodeSniffer to check for PHP cross-version compatibility issues in projects, while accounting for polyfills provided by WordPress.",
+            "homepage": "http://phpcompatibility.com/",
+            "keywords": [
+                "compatibility",
+                "phpcs",
+                "standards",
+                "wordpress"
+            ],
+            "support": {
+                "issues": "https://github.com/PHPCompatibility/PHPCompatibilityWP/issues",
+                "source": "https://github.com/PHPCompatibility/PHPCompatibilityWP"
+            },
+            "time": "2021-02-15T12:58:46+00:00"
+        },
         {
             "name": "phpdocumentor/flyfinder",
             "version": "1.0.0",
@@ -5232,7 +5404,7 @@
     "aliases": [],
     "minimum-stability": "stable",
     "stability-flags": [],
-    "prefer-stable": false,
+    "prefer-stable": true,
     "prefer-lowest": false,
     "platform": [],
     "platform-dev": [],