PHPStan level 9

composer.json

@@ -20,14 +20,15 @@
         "wp-cli/db-command": "^1.3 || ^2",
         "wp-cli/entity-command": "^1.3 || ^2",
         "wp-cli/extension-command": "^1.2 || ^2",
-        "wp-cli/wp-cli-tests": "^4"
+        "wp-cli/wp-cli-tests": "dev-main"
     },
     "config": {
         "process-timeout": 7200,
         "sort-packages": true,
         "allow-plugins": {
             "dealerdirect/phpcodesniffer-composer-installer": true,
-            "johnpbloch/wordpress-core-installer": true
+            "johnpbloch/wordpress-core-installer": true,
+            "phpstan/extension-installer": true
         },
         "lock": false
     },
@@ -64,12 +65,14 @@
         "behat-rerun": "rerun-behat-tests",
         "lint": "run-linter-tests",
         "phpcs": "run-phpcs-tests",
+        "phpstan": "run-phpstan-tests",
         "phpcbf": "run-phpcbf-cleanup",
         "phpunit": "run-php-unit-tests",
         "prepare-tests": "install-package-tests",
         "test": [
             "@lint",
             "@phpcs",
+            "@phstan",
             "@phpunit",
             "@behat"
         ]

features/core-update.feature

@@ -1,77 +1,42 @@
 Feature: Update WordPress core
 
-  # This test downgrades to an older WordPress version, but the SQLite plugin requires 6.0+
+  # This test downgrades to an older WordPress version, but the SQLite plugin requires 6.4+
   @require-mysql
   Scenario: Update from a ZIP file
     Given a WP install
     And I try `wp theme install twentytwenty --activate`
 
-    When I run `wp core download --version=3.9 --force`
+    When I run `wp core download --version=6.2 --force`
     Then STDOUT should not be empty
 
-    When I run `wp eval 'echo $GLOBALS["wp_version"];'`
+    When I try `wp eval 'echo $GLOBALS["wp_version"];'`
     Then STDOUT should be:
       """
-      3.9
+      6.2
       """
 
-    When I run `wget http://wordpress.org/wordpress-4.0.zip --quiet`
-    And I run `wp core update wordpress-4.0.zip`
+    When I run `wget http://wordpress.org/wordpress-6.2.zip --quiet`
+    And I run `wp core update wordpress-6.2.zip`
     Then STDOUT should be:
       """
       Starting update...
       Unpacking the update...
-      Cleaning up files...
-      No files found that need cleaning up.
-      Success: WordPress updated successfully.
-      """
-
-    When I run `wp eval 'echo $GLOBALS["wp_version"];'`
-    Then STDOUT should be:
-      """
-      4.0
-      """
-
-  # PHP 7.1 needs WP 3.9 (due to wp_check_php_mysql_versions(), see trac changeset [27257]),
-  # and travis doesn't install mysql extension by default for PHP 7.0.
-  @less-than-php-7
-  Scenario: Update to the latest minor release
-    Given a WP install
-    And I try `wp theme install twentytwenty --activate`
-
-    When I run `wp core download --version=4.1 --force`
-    Then STDOUT should not be empty
-
-    # WP core throws notice for PHP 8+.
-    When I try `wp core update --minor`
-    Then STDOUT should contain:
-      """
-      Updating to version {WP_VERSION-4.1-latest}
-      """
-    And STDOUT should contain:
-      """
       Success: WordPress updated successfully.
       """
 
-    When I run `wp core update --minor`
-    Then STDOUT should be:
-      """
-      Success: WordPress is at the latest minor release.
-      """
-
-    When I run `wp core version`
+    When I try `wp eval 'echo $GLOBALS["wp_version"];'`
     Then STDOUT should be:
       """
-      {WP_VERSION-4.1-latest}
+      6.2
       """
 
-  # This test downgrades to an older WordPress version, but the SQLite plugin requires 6.0+
+  # This test downgrades to an older WordPress version, but the SQLite plugin requires 6.4+
   @require-mysql
-  Scenario: Update to the latest minor release (PHP 7.1 compatible with WP >= 3.9)
+  Scenario: Update to the latest minor release (PHP 7.2 compatible with WP >= 4.9)
     Given a WP install
     And I try `wp theme install twentytwenty --activate`
 
-    When I run `wp core download --version=4.1.30 --force`
+    When I run `wp core download --version=6.2.5 --force`
     Then STDOUT should contain:
       """
       Success: WordPress downloaded.
@@ -81,7 +46,7 @@ Feature: Update WordPress core
     When I try `wp core update --minor`
     Then STDOUT should contain:
       """
-      Updating to version {WP_VERSION-4.1-latest}
+      Updating to version {WP_VERSION-6.2-latest}
       """
     And STDOUT should contain:
       """
@@ -98,17 +63,17 @@ Feature: Update WordPress core
     When I run `wp core version`
     Then STDOUT should be:
       """
-      {WP_VERSION-4.1-latest}
+      {WP_VERSION-6.2-latest}
       """
 
-  # This test downgrades to an older WordPress version, but the SQLite plugin requires 6.0+
+  # This test downgrades to an older WordPress version, but the SQLite plugin requires 6.4+
   @require-mysql
   Scenario: Core update from cache
     Given a WP install
     And I try `wp theme install twentytwenty --activate`
     And an empty cache
 
-    When I run `wp core update --version=3.9.1 --force`
+    When I run `wp core update --version=6.2.5 --force`
     Then STDOUT should not contain:
       """
       Using cached file
@@ -118,13 +83,13 @@ Feature: Update WordPress core
       Downloading
       """
 
-    When I run `wp core update --version=4.0 --force`
+    When I run `wp core update --version=6.0 --force`
     Then STDOUT should not be empty
 
-    When I run `wp core update --version=3.9.1 --force`
+    When I run `wp core update --version=6.2.5 --force`
     Then STDOUT should contain:
       """
-      Using cached file '{SUITE_CACHE_DIR}/core/wordpress-3.9.1-en_US.zip'...
+      Using cached file '{SUITE_CACHE_DIR}/core/wordpress-6.2.5-en_US.zip'...
       """
     And STDOUT should not contain:
       """

phpstan.neon.dist

@@ -0,0 +1,19 @@
+parameters:
+  level: 9
+  paths:
+    - src
+    - core-command.php
+  scanDirectories:
+    - vendor/wp-cli/wp-cli/php
+    - vendor/wp-cli/wp-cli-tests
+  scanFiles:
+    - vendor/php-stubs/wordpress-stubs/wordpress-stubs.php
+  treatPhpDocTypesAsCertain: false
+  dynamicConstantNames:
+  	- WP_DEBUG
+  	- WP_DEBUG_LOG
+  	- WP_DEBUG_DISPLAY
+  ignoreErrors:
+    - identifier: missingType.iterableValue
+    - identifier: missingType.parameter
+    - identifier: missingType.return