Libraries for code lint and some additional settings was added to composer.json

.php_cs

@@ -0,0 +1,33 @@
+<?php
+
+$finder = PhpCsFixer\Finder::create()
+    ->in(__DIR__ . DIRECTORY_SEPARATOR . 'tests')
+    ->in(__DIR__ . DIRECTORY_SEPARATOR . 'src')
+    ->append(['.php_cs']);
+
+$rules = [
+    '@Symfony'                   => true,
+    'phpdoc_no_empty_return'     => false,
+    'phpdoc_summary'             => false,
+    'no_superfluous_phpdoc_tags' => false,
+    'phpdoc_separation'          => false,
+    'phpdoc_trim'                => false,
+    'phpdoc_align'               => false,
+    'array_syntax'               => ['syntax' => 'short'],
+    'yoda_style'                 => true,
+    'binary_operator_spaces'     => false,
+    'concat_space'               => ['spacing' => 'one'],
+    'not_operator_with_space'    => false,
+    'phpdoc_no_package'          => false,
+    'single_trait_insert_per_statement' => false,
+    'ordered_imports'            => false,
+    'no_extra_blank_lines'       => false,
+    'blank_line_before_statement' => false,
+];
+
+$rules['increment_style'] = ['style' => 'post'];
+
+return PhpCsFixer\Config::create()
+    ->setUsingCache(true)
+    ->setRules($rules)
+    ->setFinder($finder);

composer.json

@@ -46,19 +46,32 @@
     "divineomega/php-ssh-connection": "^2.2"
   },
   "require-dev": {
+    "friendsofphp/php-cs-fixer": "^2.16",
     "limedeck/phpunit-detailed-printer": "^5.0",
     "orchestra/testbench": "^4.0|^5.0",
+    "phpstan/phpstan": "^0.12.32",
+    "phpstan/phpstan-strict-rules": "^0.12.2",
     "phpunit/phpunit": "^8.0",
+    "rector/rector": "^0.7.41",
     "roave/security-advisories": "dev-master",
+    "thecodingmachine/phpstan-strict-rules": "^0.12.0",
     "squizlabs/php_codesniffer": "^3.5",
     "larapack/dd": "^1.1"
   },
+  "config": {
+    "sort-packages": true,
+    "preferred-install": "dist"
+  },
   "scripts": {
-    "test": "phpunit --coverage-clover clover.xml",
-    "check": [
-      "@cs-check"
-    ],
-    "cs-check": "phpcs",
-    "cs-fix": "phpcbf"
+    "lint": "rector process src && php-cs-fixer fix -v",
+    "test:lint": "php-cs-fixer fix -v --dry-run",
+    "test:rector": "rector process src --dry-run",
+    "test:types": "phpstan analyse --ansi --memory-limit=0",
+    "test:unit": "phpunit --coverage-clover clover.xml",
+    "test": [
+      "@test:lint",
+      "@test:types",
+      "@test:unit"
+    ]
   }
 }