add php_codesniffer

.github/workflows/phpcs.yml

@@ -0,0 +1,44 @@
+name: phpcs
+
+on: [push]
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v1
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: 7.4
+          extensions: mbstring, fileinfo
+          coverage: none
+          tools: cs2pr
+
+      - name: Get composer cache directory
+        id: composer-cache
+        run: echo "::set-output name=dir::$(composer config cache-files-dir)"
+
+      - name: Cache dependencies
+        uses: actions/cache@v2
+        with:
+          path: ${{ steps.composer-cache.outputs.dir }}
+          key: ${{ runner.os }}-composer-${{ env.php-versions }}-${{ hashFiles('**/composer.json') }}
+          restore-keys: |
+            ${{ runner.os }}-composer-${{ env.php-versions }}-
+            ${{ runner.os }}-composer-
+
+      - name: Check Version
+        run: php -v && php -m && composer -V
+
+      - name: Validate composer.json and composer.lock
+        run: composer validate
+
+      - name: Install dependencies (composer.lock)
+        run: composer install --no-interaction --prefer-dist --no-progress
+
+      - name: Run phpcs fix
+        run: vendor/bin/phpcs --report=checkstyle -q | cs2pr

.phpcs.xml

@@ -0,0 +1,45 @@
+<?xml version="1.0"?>
+<ruleset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" name="PHP_CodeSniffer" xsi:noNamespaceSchemaLocation="vendor/squizlabs/php_codesniffer/phpcs.xsd">
+    <description>The coding standard for PHP_CodeSniffer itself.</description>
+
+    <file>driver</file>
+    <file>src</file>
+
+    <arg name="basepath" value="."/>
+    <arg name="extensions" value="php" />
+    <arg name="colors"/>
+    <arg name="parallel" value="75"/>
+    <!--  -n 忽略警告，-w 打印警告  -->
+    <arg value="nsp"/>
+
+    <!-- Don't hide tokenizer exceptions -->
+    <rule ref="Internal.Tokenizer.Exception">
+        <type>error</type>
+    </rule>
+
+    <rule ref="PSR12">
+        <exclude name="PSR12.Files.FileHeader.SpacingAfterBlock"/>
+        <exclude name="PSR12.ControlStructures.ControlStructureSpacing.FirstExpressionLine"/>
+        <exclude name="PSR2.Classes.PropertyDeclaration.SpacingAfterType"/>
+    </rule>
+
+    <rule ref="PSR12.Classes.ClassInstantiation.MissingParentheses">
+        <type>warning</type>
+    </rule>
+
+    <rule ref="Generic.Formatting.MultipleStatementAlignment">
+        <type>warning</type>
+    </rule>
+
+    <!-- Ban some functions -->
+    <rule ref="Generic.PHP.ForbiddenFunctions">
+        <properties>
+            <property name="forbiddenFunctions" type="array">
+                <element key="sizeof" value="count"/>
+                <element key="delete" value="unset"/>
+                <element key="create_function" value="null"/>
+            </property>
+        </properties>
+    </rule>
+
+</ruleset>

composer.json

@@ -29,7 +29,8 @@
         "phpunit/phpunit": "^7|^8",
         "symfony/var-dumper": "^5.0",
         "topthink/think-template": "^2.0",
-        "voku/portable-ascii": "^1.4.8"
+        "voku/portable-ascii": "^1.4.8",
+        "squizlabs/php_codesniffer": "^3.6"
     },
     "suggest": {
         "ramsey/uuid": "Required to use Str::uuid() (^3.7).",