Set up Actions cache for PHP_CodeSniffer and PHPStan

.github/workflows/php.yml

@@ -30,6 +30,20 @@ jobs:
           key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
           restore-keys: ${{ runner.os }}-composer-
 
+      - name: Restore PHP_CodeSniffer cache
+        uses: actions/cache@v3
+        with:
+          path: ${{ runner.temp }}/phpcs
+          key: ${{ runner.os }}-phpcs-${{ hashFiles('**/composer.lock') }}
+          restore-keys: ${{ runner.os }}-phpcs-
+
+      - name: Restore PHPStan cache
+        uses: actions/cache@v3
+        with:
+          path: ${{ runner.temp }}/phpcs
+          key: ${{ runner.os }}-phpstan-${{ hashFiles('**/composer.lock') }}
+          restore-keys: ${{ runner.os }}-phpstan-
+
       - name: Install Composer dependencies
         run: >
           composer install \
@@ -39,12 +53,33 @@ jobs:
 
       - name: Run PHP_CodeSniffer
         if: always()
-        run: ./vendor/bin/phpcs -q --report=checkstyle | cs2pr --graceful-warnings
+        run: >
+          ./vendor/bin/phpcs \
+            -q \
+            --cache=${{ runner.temp }}/phpcs \
+            --report=checkstyle \
+            | cs2pr --graceful-warnings
+
+      - name: Save PHP_CodeSniffer cache
+        uses: actions/cache/save@v3
+        if: always()
+        with:
+          path: ${{ runner.temp }}/phpcs
+          key: ${{ runner.os }}-phpcs-${{ hashFiles('**/composer.lock') }}
 
       - name: Run PHPStan
         if: always()
+        env:
+          PHPSTAN_TMP_DIR: ${{ runner.temp }}/phpstan
         run: ./vendor/bin/phpstan analyse --error-format=github --no-progress
 
+      - name: Save PHPStan cache
+        uses: actions/cache/save@v3
+        if: always()
+        with:
+          path: ${{ runner.temp }}/phpstan
+          key: ${{ runner.os }}-phpstan-${{ hashFiles('**/composer.lock') }}
+
   test:
     name: Test
     runs-on: ubuntu-latest

phpstan.neon

@@ -1,5 +1,7 @@
+includes:
+    - phpstan.neon.php
+
 parameters:
-    tmpDir: phpstan/
     level: 1
     paths:
         - bin/

phpstan.neon.php

@@ -0,0 +1,7 @@
+<?php declare(strict_types = 1);
+
+return array(
+    'parameters' => array(
+        'tmpDir' => getenv("PHPSTAN_TMP_DIR", true) ?: "",
+    ),
+);