Add VSCode devenv configuration

.php-cs-fixer.php

@@ -1,11 +1,14 @@
 <?php
 
-$finder = PhpCsFixer\Finder::create()
+use PhpCsFixer\Config;
+use PhpCsFixer\Finder;
+
+$finder = Finder::create()
     ->in(__DIR__.'/src')
     ->in(__DIR__.'/tests')
 ;
 
-$config = (new PhpCsFixer\Config())
+$config = (new Config())
     ->setRules([
         '@PhpCsFixer' => true,
         '@PSR2' => true,

.vscode/extensions.json

@@ -0,0 +1,20 @@
+{
+  // List of extensions which should be recommended for users of this workspace.
+  "recommendations": [
+    // For intellisense and navigation in code:
+    "bmewburn.vscode-intelephense-client",
+
+    // For formatting and linting:
+    "junstyle.php-cs-fixer",
+
+    // For exploring and running tests:
+    "hbenl.vscode-test-explorer",
+    "recca0120.vscode-phpunit",
+
+    // For debugging:
+    "xdebug.php-debug" // to make this work, you need xdebug installed - see the description of the extension
+  ],
+
+  // List of extensions recommended by VS Code that should not be recommended for users of this workspace.
+  "unwantedRecommendations": []
+}

.vscode/launch.json

@@ -0,0 +1,23 @@
+{
+  // Use IntelliSense to learn about possible attributes.
+  // Hover to view descriptions of existing attributes.
+  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+  "version": "0.2.0",
+  "configurations": [
+    {
+      // To debug tests, you need to launch this configuration first, then run the test to debug from the test explorer.
+      "name": "Listen for XDebug",
+      "type": "php",
+      "request": "launch",
+      "port": 9003
+    },
+    {
+      "name": "Launch currently open script",
+      "type": "php",
+      "request": "launch",
+      "program": "${file}",
+      "cwd": "${fileDirname}",
+      "port": 9003
+    }
+  ]
+}

.vscode/settings.json

@@ -0,0 +1,12 @@
+{
+  "intelephense.environment.phpVersion": "8.1.0",
+  "phpunit.args": [
+    "-c",
+    "${workspaceFolder}/phpunit.xml"
+  ],
+  "php-cs-fixer.executablePath": "php-cs-fixer",
+  "php-cs-fixer.executablePathWindows": "${workspaceFolder}/vendor/bin/php-cs-fixer.bat",
+  "[php]": {
+    "editor.defaultFormatter": "junstyle.php-cs-fixer"
+  }
+}