Apply Doctrine Coding Standard and fix

Fixes all current files and applies the standard.

.gitignore

@@ -3,3 +3,4 @@ composer.phar
 /vendor/
 .env
 .phpunit.result.cache
+.phpcs-cache

composer.json

@@ -18,6 +18,15 @@
         "mockery/mockery": "^1",
         "phpunit/phpunit": "^9",
         "vlucas/phpdotenv": "^5",
-        "deployer/deployer": "^7"
+        "deployer/deployer": "^7",
+        "doctrine/coding-standard": "^10.0"
+    },
+    "config": {
+        "allow-plugins": {
+            "dealerdirect/phpcodesniffer-composer-installer": true
+        }
+    },
+    "scripts": {
+        "phpcs": "phpcs"
     }
 }

phpcs.xml.dist

@@ -0,0 +1,18 @@
+<?xml version="1.0"?>
+<ruleset>
+    <arg name="basepath" value="."/>
+    <arg name="extensions" value="php"/>
+    <arg name="parallel" value="80"/>
+    <arg name="cache" value=".phpcs-cache"/>
+    <arg name="colors"/>
+
+    <!-- Ignore warnings, show progress of the run and show sniff names -->
+    <arg value="nps"/>
+
+    <!-- Directories to be checked -->
+    <file>src</file>
+    <file>tests</file>
+
+    <!-- Include full Doctrine Coding Standard -->
+    <rule ref="Doctrine"/>
+</ruleset>