fix: refine issues with running cs

WPDesk/ruleset.xml

 <?xml version="1.0"?>
 <ruleset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" name="WPDesk">
+
 	<description>Sniffs for WordPress WPDesk plugins</description>
 
     <!-- Always exclude all files in version management related directories. -->
@@ -13,7 +14,7 @@
 	<!-- Always exclude all tests. Differences between PHPUnit, mocking libraries and WPCS make it hard to enforce some CS. -->
 	<exclude-pattern>*/tests/*</exclude-pattern>
 
-	<exclude-pattern>scoper.inc.php</exclude-pattern>
+	<exclude-pattern>scoper\.inc\.php$</exclude-pattern>
 
     <rule ref="WordPress">
         <!-- Follow PSR-4 for autoloading naming convention -->
@@ -27,7 +28,6 @@
 
 		<!-- The only required comments are for the classes. -->
 		<exclude name="Squiz.Commenting.FunctionComment"/>
-        <exclude name="Squiz.Commenting.FileComment.Missing"/>
 		<exclude name="Generic.Commenting.DocComment.MissingShort"/>
 
 		<!-- You can use short if-else form. -->
@@ -82,17 +82,9 @@
 		</properties>
 	</rule>
 
-
-	<!--
-	#############################################################################
-	SNIFF FOR PHP CROSS-VERSION COMPATIBILITY
-	#############################################################################
-	-->
-	<config name="testVersion" value="7.0-"/>
-	<rule ref="PHPCompatibility">
+	<rule ref="PHPCompatibilityWP">
 		<include-pattern>*\.php$</include-pattern>
 	</rule>
-
 	<!--
 	#############################################################################
 	ADD SOME SPECIFIC EXTRA SNIFFS

composer.json

@@ -15,9 +15,9 @@
     "require": {
 		"php": ">=7.0",
         "dealerdirect/phpcodesniffer-composer-installer": "0.6|^0.7",
-        "phpcompatibility/php-compatibility": "^9.3",
         "squizlabs/php_codesniffer": "^3.6",
-        "wp-coding-standards/wpcs": "^2.3"
+        "wp-coding-standards/wpcs": "^2.3",
+		"phpcompatibility/phpcompatibility-wp": "^2.1.1"
     },
 	"require-dev": {
 		"roave/security-advisories": "dev-latest"
@@ -25,6 +25,9 @@
     "scripts": {
 		"install-codestandards" : [
 			"Dealerdirect\\Composer\\Plugin\\Installers\\PHPCodeSniffer\\Plugin::run"
+		],
+		"post-install-cmd": [
+			"@install-codestandards"
 		]
     }
 }

phpcs.xml → phpcs.xml.dist

@@ -9,7 +9,8 @@
 	-->
 
 	<!-- Scan all files. -->
-	<file>.</file>
+	<file>./src</file>
+	<file>./templates</file>
 
 	<!-- Only check PHP files. -->
 	<arg name="extensions" value="php"/>
@@ -20,8 +21,8 @@
 	<!-- Check up to 8 files simultaneously. -->
 	<arg name="parallel" value="8"/>
 
-	<!-- Cache the results between runs. -->
-	<arg name="cache" value="./.cache/phpcs.cache"/>
+	<!-- Cache outcomes for better performance. Remember to add the file to .gitignore. -->
+	<arg name="cache" value="./.phpcs-cache"/>
 
 	<!--
 	#############################################################################
@@ -35,7 +36,7 @@
 	<!-- This value should be aligned with WordPress support version declared in plugin header -->
 	<config name="minimum_supported_wp_version" value="5.0"/>
 
-	<!-- WPDeskCS supports PHP 7.0 or higher. -->
+	<!-- Set value aligned with supported PHP Version for PHPCompatibilityWP check. -->
 	<config name="testVersion" value="7.0-"/>
 
 	<rule ref="WPDesk"/>