Use PHPStan instead of Psalm

Author: sebastianbergmann

.gitattributes

@@ -1,14 +1,14 @@
-/.gitattributes export-ignore
-/.gitignore     export-ignore
-/.github        export-ignore
-/.phive         export-ignore
-/.php-cs-fixer.dist.php   export-ignore
-/.psalm         export-ignore
-/build          export-ignore
-/build.xml      export-ignore
-/phpunit.xml    export-ignore
-/tests          export-ignore
-/tools          export-ignore
-/tools/*        binary
+/.gitattributes         export-ignore
+/.gitignore             export-ignore
+/.github                export-ignore
+/.phive                 export-ignore
+/.php-cs-fixer.dist.php export-ignore
+/build                  export-ignore
+/build.xml              export-ignore
+/phpstan.neon           export-ignore
+/phpunit.xml            export-ignore
+/tests                  export-ignore
+/tools                  export-ignore
+/tools/*                binary
 
 *.php diff=php

.github/workflows/ci.yml

@@ -31,8 +31,8 @@ jobs:
       - name: Run PHP-CS-Fixer
         run: ./tools/php-cs-fixer fix --dry-run --show-progress=dots --using-cache=no --verbose
 
-  type-checker:
-    name: Type Checker
+  static-analysis:
+    name: Static Analysis
 
     runs-on: ubuntu-latest
 
@@ -49,8 +49,8 @@ jobs:
       - name: Install dependencies with Composer
         run: ./tools/composer update --no-interaction --no-ansi --no-progress
 
-      - name: Run Psalm
-        run: ./tools/psalm --config=.psalm/config.xml --no-progress --shepherd --show-info=false --stats
+      - name: Run PHPStan
+        run: ./tools/phpstan analyse --no-progress --error-format=github
 
   tests:
     name: Tests

.phive/phars.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phive xmlns="https://phar.io/phive">
-  <phar name="php-cs-fixer" version="^3.0" installed="3.41.1" location="./tools/php-cs-fixer" copy="true"/>
-  <phar name="psalm" version="^5.0" installed="5.18.0" location="./tools/psalm" copy="true"/>
-  <phar name="composer" version="^2.0.3" installed="2.6.6" location="./tools/composer" copy="true"/>
+  <phar name="php-cs-fixer" version="^3.59" installed="3.59.3" location="./tools/php-cs-fixer" copy="true"/>
+  <phar name="composer" version="^2.7" installed="2.7.7" location="./tools/composer" copy="true"/>
+  <phar name="phpstan" version="^1.11" installed="1.11.5" location="./tools/phpstan" copy="true"/>
 </phive>

.psalm/baseline.xml

@@ -2,7 +2,6 @@
 
 [![Latest Stable Version](https://poser.pugx.org/phpunit/php-timer/v/stable.png)](https://packagist.org/packages/phpunit/php-timer)
 [![CI Status](https://github.com/sebastianbergmann/php-timer/workflows/CI/badge.svg)](https://github.com/sebastianbergmann/php-timer/actions)
-[![Type Coverage](https://shepherd.dev/github/sebastianbergmann/php-timer/coverage.svg)](https://shepherd.dev/github/sebastianbergmann/php-timer)
 [![codecov](https://codecov.io/gh/sebastianbergmann/php-timer/branch/main/graph/badge.svg)](https://codecov.io/gh/sebastianbergmann/php-timer)
 
 Utility class for timing things, factored out of PHPUnit into a stand-alone component.

.psalm/config.xml

@@ -0,0 +1,5 @@
+parameters:
+    level: 9
+    paths:
+        - src
+        - tests

README.md

@@ -13,7 +13,7 @@
 use function sprintf;
 
 /**
- * @psalm-immutable
+ * @immutable
  */
 final readonly class Duration
 {

phpstan.neon

@@ -17,7 +17,7 @@
 final class ResourceUsageFormatter
 {
     /**
-     * @psalm-var array<string,int>
+     * @var array<string,int>
      */
     private const SIZES = [
         'GB' => 1073741824,

src/Duration.php

@@ -15,7 +15,7 @@
 final class Timer
 {
     /**
-     * @psalm-var list<float>
+     * @var list<float>
      */
     private array $startTimes = [];