chore: Clean up PHPStan configuration (#420)

* Clean up PHPStan configuration

* Fix whitespaces

* Fix ignores in PHPStan config

---------

Signed-off-by: Viktor Szépe <viktor@szepe.net>
Co-authored-by: Tim Nolte <tim.nolte@ndigitals.com>

phpstan.neon.dist

@@ -1,57 +1,13 @@
-#$ composer update --optimize-autoloader
-#$ vendor/bin/phpstan analyze
-
-includes:
-  # @see https://github.com/phpstan/phpstan-src/blob/master/conf/bleedingEdge.neon
-  # - phar://phpstan.phar/conf/bleedingEdge.neon
-  # Include this extension
-  # - vendor/szepeviktor/phpstan-wordpress/extension.neon
 parameters:
   level: 5
   inferPrivatePropertyTypeFromConstructor: true
   bootstrapFiles:
     - tests/phpstan-bootstrap.php
-    - %rootDir%/../../php-stubs/wordpress-stubs/wordpress-stubs.php
-  # autoload_files:
-    # Missing constants, function and class stubs
-    # - tests/phpstan/bootstrap.php
-    # Plugin stubs
-    # - tests/phpstan/PLUGIN-stubs.php
-    # Procedural code
-    # - myplugin-functions.php
-  # autoload_directories:
-  # - inc/
   paths:
+    - openid-connect-generic.php 
     - includes/
-    - ./
-  excludePaths:
-    analyse:
-      - node_modules/
-      - scripts/
-      - tests/
-      - tools/
-      - vendor/
-      - wordpress/
-    analyseAndScan:
-      - wordpress/wp-content/uploads/
-  # scanFiles:
-  #   - includes/class.php
-  # scanDirectories:
-  #   - wordpress
   ignoreErrors:
     # Uses func_get_args()
-    # - '#^Function apply_filters(_ref_array)? invoked with [34567] parameters, 2 required\.$#'
-    # Fixed in WordPress 5.3
-    # - '#^Function do_action(_ref_array)? invoked with [3456] parameters, 1-2 required\.$#'
-    # - '#^Function current_user_can invoked with 2 parameters, 1 required\.$#'
-    # - '#^Function add_query_arg invoked with [123] parameters?, 0 required\.$#'
-    # - '#^Function wp_sprintf invoked with [23456] parameters, 1 required\.$#'
-    # - '#^Function add_post_type_support invoked with [345] parameters, 2 required\.$#'
-    # - '#^Function ((get|add)_theme_support|current_theme_supports) invoked with [2345] parameters, 1 required\.$#'
-    # https://core.trac.wordpress.org/ticket/43304
-    # - '/^Parameter #2 \$deprecated of function load_plugin_textdomain expects string, false given\.$/'
-    # WP-CLI accepts a class as callable
-    # - '/^Parameter #2 \$callable of static method WP_CLI::add_command\(\) expects callable\(\): mixed, \S+ given\.$/'
-    # Please consider commenting ignores: issue URL or reason for ignoring
+    #- '#^Function apply_filters(_ref_array)? invoked with [34567] parameters, 2 required\.$#'
     # Ignore cookie_redirect_key deprecation errors.
-    - '/.*Access to deprecated property \$cookie_redirect_key.*/'
+    - '/^Access to deprecated property \$cookie_redirect_key/'