add linters

Author: sters

.github/workflow/lint.yaml

@@ -0,0 +1,28 @@
+name: lint
+
+on: pull_request
+
+jobs:
+  phpcs:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: shivammathur/setup-php@v2
+      - run: composer install --prefer-dist
+      - name: do
+        run: ./vendor/bin/phpcs --report=emacs --standard=phpcs.xml ./ | reviewdog -reporter=github-pr-review -efm='%f:%l:%c:%m'
+      - name: try autofix
+        run: ./vendor/bin/phpcbf --standard=phpcs.xml ./
+      - name: suggester / phpcs
+        uses: reviewdog/action-suggester@v1
+        with:
+          tool_name: phpcs
+
+  phpstan:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: shivammathur/setup-php@v2
+      - run: composer install --prefer-dist
+      - name: do
+        run: ./vendor/bin/phpstan analyse --error-format=raw --no-progress | reviewdog -reporter=github-pr-review -f=phpstan

composer.json

@@ -6,12 +6,20 @@
             "email": "sters@users.noreply.github.com"
         }
     ],
+    "scripts":{
+        "phpcs": "phpcs --report=emacs --standard=phpcs.xml ./",
+        "phpstan": "phpstan analyse --error-format=raw --no-progress"
+    },
     "autoload": {
         "psr-4": {
             "ClassGraph\\": "src"
         }
     },
     "require": {
         "nikic/php-parser": "^4.2"
+    },
+    "require-dev": {
+        "phpstan/phpstan": "^1.10",
+        "squizlabs/php_codesniffer": "^3.7"
     }
 }

composer.lock

@@ -0,0 +1,9 @@
+<?xml version="1.0"?>
+<ruleset name="PSR12">
+    <arg name="extensions" value="php" />
+    <rule ref="PSR12" />
+
+    <exclude-pattern>*/examples/*</exclude-pattern>
+    <exclude-pattern>*/testcase/*</exclude-pattern>
+    <exclude-pattern>*/vendor/*</exclude-pattern>
+</ruleset>

phpcs.xml

@@ -0,0 +1,8 @@
+parameters:
+    level: 0
+    paths:
+        - .
+    excludePaths:
+        - vendor/*
+        - testcase/*
+        - examples/*