composer > squizlabs/php_codesniffer package > use ^3.4 (instead of ^2.9)

.gitignore

@@ -43,6 +43,13 @@
 /.php_cs.cache
 
 
+# ------------------------------------------------------------------------------
+### PHP_CodeSniffer
+# ------------------------------------------------------------------------------
+/.phpcs-cache
+/phpcs.xml
+
+
 # -----------------------------------------------------------------------------
 ### Build files
 # -----------------------------------------------------------------------------
@@ -117,6 +124,7 @@ Temporary Items
 # ------------------------------------------------------------------------------
 # Windows thumbnail cache files
 Thumbs.db
+Thumbs.db:encryptable
 ehthumbs.db
 ehthumbs_vista.db
 

composer.json

@@ -27,7 +27,7 @@
         "phpstan/phpstan": "^0.11.1",
         "phpunit/phpunit": "^8.0",
         "sebastian/phpcpd": "^4.1",
-        "squizlabs/php_codesniffer": " ^2.9",
+        "squizlabs/php_codesniffer": "^3.4",
         "vimeo/psalm": "^3.0"
     },
     "autoload": {

docs/Development.md

@@ -105,13 +105,6 @@ docker-compose exec php phing -f phing/tests.xml test:phpunit
 docker-compose run --rm phpunit --verbose --no-coverage
 ```
 
-# Versions of packages
-
-### squizlabs/php_codesniffer
-
-I have to use [squizlabs/php_codesniffer](https://packagist.org/packages/squizlabs/php_codesniffer) `^2.9` instead of
-`^3.3`, because [Phing doesn't support 3.x PHP_CodeSniffer](https://github.com/phingofficial/phing/issues/716).
-
 # Mutation Tests
 
 Served by [Infection — Mutation Testing Framework](https://infection.github.io).

phing/properties.dist

@@ -47,6 +47,7 @@ dir.tests = ${project.basedir}/tests
 dir.build = ${project.basedir}/build
 dir.reports = ${dir.build}/reports
 dir.reports.coverage = ${dir.reports}/phpunit-coverage
+dir.reports.code_sniffer = ${dir.reports}/code_sniffer
 
 # Data directories
 #
@@ -72,6 +73,10 @@ check.php_coveralls.command = ./vendor/bin/php-coveralls --ansi -v
 #
 tests.cs_fixer.command = ./vendor/bin/php-cs-fixer fix --verbose
 
+# Path of the PHP_CodeSniffer (https://github.com/squizlabs/PHP_CodeSniffer)
+#
+tests.code_sniffer.command = ./vendor/bin/phpcs --report-full=${dir.reports.code_sniffer}/full.txt --report-summary=${dir.reports.code_sniffer}/summary.txt --report-checkstyle=${dir.reports.code_sniffer}/checkstyle.xml
+
 # Test database path
 #
 tests.database = ${dir.data.temporary}/database.sqlite

phing/tests.xml

@@ -55,14 +55,9 @@
                     test:infection"
     />
 
-    <!-- Symfony2 code sniffer -->
+    <!-- PHP_CodeSniffer -->
     <target name="check:cs" depends="build:prepare">
-        <phpcodesniffer standard="PSR2" showWarnings="true">
-            <fileset refid="sourcecode"/>
-            <formatter type="checkstyle" outfile="${dir.reports}/checkstyle.xml"/>
-            <formatter type="csv" outfile="${dir.reports}/checkstyle.csv"/>
-            <formatter type="summary" outfile="${dir.reports}/checkstyle-summary.txt"/>
-        </phpcodesniffer>
+        <exec command="${tests.code_sniffer.command}" passthru="true"/>
     </target>
 
     <!-- copy/paste detector -->
@@ -112,6 +107,7 @@
     <target name="build:prepare" depends="build:clean">
         <mkdir dir="${dir.reports}"/>
         <mkdir dir="${dir.reports.coverage}"/>
+        <mkdir dir="${dir.reports.code_sniffer}"/>
     </target>
 
     <!-- Checkout and finalization -->

phpcs.xml.dist

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<ruleset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="vendor/squizlabs/php_codesniffer/phpcs.xsd">
+
+    <arg name="basepath" value="."/>
+    <arg name="cache" value=".phpcs-cache"/>
+    <arg name="colors"/>
+    <arg name="extensions" value="php"/>
+
+    <rule ref="PSR2"/>
+
+    <file>src/</file>
+    <file>tests/</file>
+
+</ruleset>