install PHPStan for static code analysis

.phpstan.neon

@@ -0,0 +1,9 @@
+parameters:
+    level: 0
+
+    paths:
+        - src/
+
+    scanDirectories:
+        - mod
+        - vendor

composer.json

@@ -152,10 +152,12 @@
 		"mikey179/vfsstream": "^1.6",
 		"mockery/mockery": "^1.3",
 		"php-mock/php-mock-phpunit": "^2.10",
+		"phpstan/phpstan": "^1.12",
 		"phpunit/phpunit": "^9"
 	},
 	"scripts": {
 		"test": "phpunit",
+		"phpstan": "phpstan analyze --memory-limit 1024M --configuration .phpstan.neon",
 		"lint": "find . -name \\*.php -not -path './vendor/*' -not -path './view/asset/*' -print0 | xargs -0 -n1 php -l",
 		"docker:translate": "docker run --rm -v $PWD:/data -w /data friendicaci/transifex bin/run_xgettext.sh",
 		"cs:install": "@composer install --working-dir=bin/dev/php-cs-fixer",

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": "d51158b9593011921144e90af146a86a",
+    "content-hash": "11175d4e9806e8a5069d010140431af1",
     "packages": [
         {
             "name": "asika/simple-console",
@@ -4832,6 +4832,64 @@
             ],
             "time": "2024-02-11T07:24:16+00:00"
         },
+        {
+            "name": "phpstan/phpstan",
+            "version": "1.12.7",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/phpstan/phpstan.git",
+                "reference": "dc2b9976bd8b0f84ec9b0e50cc35378551de7af0"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/dc2b9976bd8b0f84ec9b0e50cc35378551de7af0",
+                "reference": "dc2b9976bd8b0f84ec9b0e50cc35378551de7af0",
+                "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": "2024-10-18T11:12:07+00:00"
+        },
         {
             "name": "phpunit/php-code-coverage",
             "version": "9.2.31",