diff --git a/composer.json b/composer.json
index 75671d3..bed7460 100644
--- a/composer.json
+++ b/composer.json
@@ -96,7 +96,9 @@
         }
     },
     "require-dev": {
+        "phpstan/phpstan": "^1.11",
         "phpunit/phpunit": "^9.5",
+        "squizlabs/php_codesniffer": "*",
         "symfony/browser-kit": "7.1.*",
         "symfony/css-selector": "7.1.*",
         "symfony/debug-bundle": "7.1.*",
diff --git a/composer.lock b/composer.lock
index 04f3483..829dc0a 100644
--- a/composer.lock
+++ b/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": "3aa6efbb754ccfee8f386f7b0ee73bb4",
+    "content-hash": "da1e44cb7172bc9807c8d5806939ba4e",
     "packages": [
         {
             "name": "composer/semver",
@@ -7858,6 +7858,64 @@
             },
             "time": "2022-02-21T01:04:05+00:00"
         },
+        {
+            "name": "phpstan/phpstan",
+            "version": "1.11.8",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/phpstan/phpstan.git",
+                "reference": "6adbd118e6c0515dd2f36b06cde1d6da40f1b8ec"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/6adbd118e6c0515dd2f36b06cde1d6da40f1b8ec",
+                "reference": "6adbd118e6c0515dd2f36b06cde1d6da40f1b8ec",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.2|^8.0"
+            },
+            "conflict": {
+                "phpstan/phpstan-shim": "*"
+            },
+            "bin": [
+                "phpstan",
+                "phpstan.phar"
+            ],
+            "type": "library",
+            "autoload": {
+                "files": [
+                    "bootstrap.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "description": "PHPStan - PHP Static Analysis Tool",
+            "keywords": [
+                "dev",
+                "static analysis"
+            ],
+            "support": {
+                "docs": "https://phpstan.org/user-guide/getting-started",
+                "forum": "https://github.com/phpstan/phpstan/discussions",
+                "issues": "https://github.com/phpstan/phpstan/issues",
+                "security": "https://github.com/phpstan/phpstan/security/policy",
+                "source": "https://github.com/phpstan/phpstan-src"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/ondrejmirtes",
+                    "type": "github"
+                },
+                {
+                    "url": "https://github.com/phpstan",
+                    "type": "github"
+                }
+            ],
+            "time": "2024-07-24T07:01:22+00:00"
+        },
         {
             "name": "phpunit/php-code-coverage",
             "version": "9.2.31",
@@ -9243,6 +9301,86 @@
             ],
             "time": "2020-09-28T06:39:44+00:00"
         },
+        {
+            "name": "squizlabs/php_codesniffer",
+            "version": "3.10.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/PHPCSStandards/PHP_CodeSniffer.git",
+                "reference": "86e5f5dd9a840c46810ebe5ff1885581c42a3017"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/PHPCSStandards/PHP_CodeSniffer/zipball/86e5f5dd9a840c46810ebe5ff1885581c42a3017",
+                "reference": "86e5f5dd9a840c46810ebe5ff1885581c42a3017",
+                "shasum": ""
+            },
+            "require": {
+                "ext-simplexml": "*",
+                "ext-tokenizer": "*",
+                "ext-xmlwriter": "*",
+                "php": ">=5.4.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.0 || ^5.0 || ^6.0 || ^7.0 || ^8.0 || ^9.3.4"
+            },
+            "bin": [
+                "bin/phpcbf",
+                "bin/phpcs"
+            ],
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.x-dev"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Greg Sherwood",
+                    "role": "Former lead"
+                },
+                {
+                    "name": "Juliette Reinders Folmer",
+                    "role": "Current lead"
+                },
+                {
+                    "name": "Contributors",
+                    "homepage": "https://github.com/PHPCSStandards/PHP_CodeSniffer/graphs/contributors"
+                }
+            ],
+            "description": "PHP_CodeSniffer tokenizes PHP, JavaScript and CSS files and detects violations of a defined set of coding standards.",
+            "homepage": "https://github.com/PHPCSStandards/PHP_CodeSniffer",
+            "keywords": [
+                "phpcs",
+                "standards",
+                "static analysis"
+            ],
+            "support": {
+                "issues": "https://github.com/PHPCSStandards/PHP_CodeSniffer/issues",
+                "security": "https://github.com/PHPCSStandards/PHP_CodeSniffer/security/policy",
+                "source": "https://github.com/PHPCSStandards/PHP_CodeSniffer",
+                "wiki": "https://github.com/PHPCSStandards/PHP_CodeSniffer/wiki"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/PHPCSStandards",
+                    "type": "github"
+                },
+                {
+                    "url": "https://github.com/jrfnl",
+                    "type": "github"
+                },
+                {
+                    "url": "https://opencollective.com/php_codesniffer",
+                    "type": "open_collective"
+                }
+            ],
+            "time": "2024-07-21T23:26:44+00:00"
+        },
         {
             "name": "symfony/browser-kit",
             "version": "v7.1.1",
diff --git a/phpcs.xml.dist b/phpcs.xml.dist
new file mode 100644
index 0000000..37dd4e5
--- /dev/null
+++ b/phpcs.xml.dist
@@ -0,0 +1,23 @@
+<?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="PSR12"/>
+     <rule ref="Generic.Files.LineLength">
+  <properties>
+   <property name="lineLimit" value="N"/>
+   <property name="absoluteLineLimit" value="M"/>
+  </properties>
+ </rule>
+
+    <file>bin/</file>
+    <file>src/</file>
+    <file>tests/</file>
+
+</ruleset>
diff --git a/phpstan.dist.neon b/phpstan.dist.neon
new file mode 100644
index 0000000..e9bd41c
--- /dev/null
+++ b/phpstan.dist.neon
@@ -0,0 +1,8 @@
+parameters:
+    level: 8
+    paths:
+        - bin/
+        - config/
+        - public/
+        - src/
+        - tests/
diff --git a/symfony.lock b/symfony.lock
index c3b74f1..283e3b4 100644
--- a/symfony.lock
+++ b/symfony.lock
@@ -26,6 +26,18 @@
             "migrations/.gitignore"
         ]
     },
+    "phpstan/phpstan": {
+        "version": "1.11",
+        "recipe": {
+            "repo": "github.com/symfony/recipes-contrib",
+            "branch": "main",
+            "version": "1.0",
+            "ref": "5e490cc197fb6bb1ae22e5abbc531ddc633b6767"
+        },
+        "files": [
+            "phpstan.dist.neon"
+        ]
+    },
     "phpunit/phpunit": {
         "version": "9.6",
         "recipe": {
@@ -40,6 +52,18 @@
             "tests/bootstrap.php"
         ]
     },
+    "squizlabs/php_codesniffer": {
+        "version": "3.10",
+        "recipe": {
+            "repo": "github.com/symfony/recipes-contrib",
+            "branch": "main",
+            "version": "3.6",
+            "ref": "1019e5c08d4821cb9b77f4891f8e9c31ff20ac6f"
+        },
+        "files": [
+            "phpcs.xml.dist"
+        ]
+    },
     "symfony/asset-mapper": {
         "version": "7.1",
         "recipe": {