diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index f5729e7..ca107f5 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -1,15 +1,14 @@
-name: tests
+name: Tests
 
 on:
   push:
     branches:
-     - master
+      - main
   pull_request:
-    branches:
-     - master
 
 jobs:
-  build:
+  phpcs:
+    name: Coding Standards (PHPCS)
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -22,20 +21,45 @@ jobs:
       - name: Validate composer.json and composer.lock
         run: composer validate --strict
 
-      - name: Cache Composer packages
-        id: composer-cache
-        uses: actions/cache@v4
+      - name: Install dependencies
+        run: composer install --prefer-dist --no-progress
+
+      - name: PHPCS
+        run: composer phpcs
+
+  phpstan:
+    name: Static Analysis (PHPStan)
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
         with:
-          path: vendor
-          key: ${{ runner.os }}-php-${{ hashFiles('**/composer.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-php-
+          php-version: '8.3'
+
+      - name: Install dependencies
+        run: composer install --prefer-dist --no-progress
+
+      - name: PHPStan
+        run: composer phpstan
+
+  phpunit:
+    name: Unit Tests (PHPUnit)
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.3'
 
       - name: Install dependencies
         run: composer install --prefer-dist --no-progress
 
-      - name: Run test suite
-        run: composer run-script test
+      - name: PHPUnit
+        run: composer phpunit
 
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v4
diff --git a/composer.json b/composer.json
index 011d3a1..985d10b 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,10 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^9.6",
-        "squizlabs/php_codesniffer": "3.*"
+        "squizlabs/php_codesniffer": "3.*",
+        "phpstan/phpstan": "^2.1",
+        "szepeviktor/phpstan-wordpress": "^2.0",
+        "phpstan/extension-installer": "^1.4"
     },
     "autoload": {
         "psr-4": {
@@ -27,11 +30,15 @@
         }
     },
     "scripts": {
-        "test": [
-            "./vendor/bin/phpcs --standard=psr2 src",
-            "./vendor/bin/phpunit --coverage-clover=coverage.xml"
-        ]
+        "phpcs": "phpcs --standard=psr2 src",
+        "phpunit": "phpunit --coverage-clover=coverage.xml",
+        "phpstan": "phpstan analyse --memory-limit=512M"
     },
     "minimum-stability": "dev",
-    "prefer-stable": true
+    "prefer-stable": true,
+    "config": {
+        "allow-plugins": {
+            "phpstan/extension-installer": true
+        }
+    }
 }
diff --git a/composer.lock b/composer.lock
index b53ef6a..f3d0f1f 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "ce0e59647caa2ce5d97d11f9eaad608d",
+    "content-hash": "6e44aa85049a2eb967278d546b2a0abe",
     "packages": [],
     "packages-dev": [
         {
@@ -79,16 +79,16 @@
         },
         {
             "name": "myclabs/deep-copy",
-            "version": "1.12.0",
+            "version": "1.13.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/myclabs/DeepCopy.git",
-                "reference": "3a6b9a42cd8f8771bd4295d13e1423fa7f3d942c"
+                "reference": "07d290f0c47959fd5eed98c95ee5602db07e0b6a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/3a6b9a42cd8f8771bd4295d13e1423fa7f3d942c",
-                "reference": "3a6b9a42cd8f8771bd4295d13e1423fa7f3d942c",
+                "url": "https://api.github.com/repos/myclabs/DeepCopy/zipball/07d290f0c47959fd5eed98c95ee5602db07e0b6a",
+                "reference": "07d290f0c47959fd5eed98c95ee5602db07e0b6a",
                 "shasum": ""
             },
             "require": {
@@ -127,7 +127,7 @@
             ],
             "support": {
                 "issues": "https://github.com/myclabs/DeepCopy/issues",
-                "source": "https://github.com/myclabs/DeepCopy/tree/1.12.0"
+                "source": "https://github.com/myclabs/DeepCopy/tree/1.13.4"
             },
             "funding": [
                 {
@@ -135,20 +135,20 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-06-12T14:39:25+00:00"
+            "time": "2025-08-01T08:46:24+00:00"
         },
         {
             "name": "nikic/php-parser",
-            "version": "v5.3.1",
+            "version": "v5.7.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/nikic/PHP-Parser.git",
-                "reference": "8eea230464783aa9671db8eea6f8c6ac5285794b"
+                "reference": "dca41cd15c2ac9d055ad70dbfd011130757d1f82"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/nikic/PHP-Parser/zipball/8eea230464783aa9671db8eea6f8c6ac5285794b",
-                "reference": "8eea230464783aa9671db8eea6f8c6ac5285794b",
+                "url": "https://api.github.com/repos/nikic/PHP-Parser/zipball/dca41cd15c2ac9d055ad70dbfd011130757d1f82",
+                "reference": "dca41cd15c2ac9d055ad70dbfd011130757d1f82",
                 "shasum": ""
             },
             "require": {
@@ -167,7 +167,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "5.0-dev"
+                    "dev-master": "5.x-dev"
                 }
             },
             "autoload": {
@@ -191,9 +191,9 @@
             ],
             "support": {
                 "issues": "https://github.com/nikic/PHP-Parser/issues",
-                "source": "https://github.com/nikic/PHP-Parser/tree/v5.3.1"
+                "source": "https://github.com/nikic/PHP-Parser/tree/v5.7.0"
             },
-            "time": "2024-10-08T18:51:32+00:00"
+            "time": "2025-12-06T11:56:16+00:00"
         },
         {
             "name": "phar-io/manifest",
@@ -313,6 +313,158 @@
             },
             "time": "2022-02-21T01:04:05+00:00"
         },
+        {
+            "name": "php-stubs/wordpress-stubs",
+            "version": "v6.9.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/php-stubs/wordpress-stubs.git",
+                "reference": "5171cb6650e6c583a96943fd6ea0dfa3e1089a8a"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/php-stubs/wordpress-stubs/zipball/5171cb6650e6c583a96943fd6ea0dfa3e1089a8a",
+                "reference": "5171cb6650e6c583a96943fd6ea0dfa3e1089a8a",
+                "shasum": ""
+            },
+            "conflict": {
+                "phpdocumentor/reflection-docblock": "5.6.1"
+            },
+            "require-dev": {
+                "dealerdirect/phpcodesniffer-composer-installer": "^1.0",
+                "nikic/php-parser": "^5.5",
+                "php": "^7.4 || ^8.0",
+                "php-stubs/generator": "^0.8.3",
+                "phpdocumentor/reflection-docblock": "^5.4.1",
+                "phpstan/phpstan": "^2.1",
+                "phpunit/phpunit": "^9.5",
+                "szepeviktor/phpcs-psr-12-neutron-hybrid-ruleset": "^1.1.1",
+                "wp-coding-standards/wpcs": "3.1.0 as 2.3.0"
+            },
+            "suggest": {
+                "paragonie/sodium_compat": "Pure PHP implementation of libsodium",
+                "symfony/polyfill-php80": "Symfony polyfill backporting some PHP 8.0+ features to lower PHP versions",
+                "szepeviktor/phpstan-wordpress": "WordPress extensions for PHPStan"
+            },
+            "type": "library",
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "description": "WordPress function and class declaration stubs for static analysis.",
+            "homepage": "https://github.com/php-stubs/wordpress-stubs",
+            "keywords": [
+                "PHPStan",
+                "static analysis",
+                "wordpress"
+            ],
+            "support": {
+                "issues": "https://github.com/php-stubs/wordpress-stubs/issues",
+                "source": "https://github.com/php-stubs/wordpress-stubs/tree/v6.9.0"
+            },
+            "time": "2025-12-03T23:06:24+00:00"
+        },
+        {
+            "name": "phpstan/extension-installer",
+            "version": "1.4.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/phpstan/extension-installer.git",
+                "reference": "85e90b3942d06b2326fba0403ec24fe912372936"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/phpstan/extension-installer/zipball/85e90b3942d06b2326fba0403ec24fe912372936",
+                "reference": "85e90b3942d06b2326fba0403ec24fe912372936",
+                "shasum": ""
+            },
+            "require": {
+                "composer-plugin-api": "^2.0",
+                "php": "^7.2 || ^8.0",
+                "phpstan/phpstan": "^1.9.0 || ^2.0"
+            },
+            "require-dev": {
+                "composer/composer": "^2.0",
+                "php-parallel-lint/php-parallel-lint": "^1.2.0",
+                "phpstan/phpstan-strict-rules": "^0.11 || ^0.12 || ^1.0"
+            },
+            "type": "composer-plugin",
+            "extra": {
+                "class": "PHPStan\\ExtensionInstaller\\Plugin"
+            },
+            "autoload": {
+                "psr-4": {
+                    "PHPStan\\ExtensionInstaller\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "description": "Composer plugin for automatic installation of PHPStan extensions",
+            "keywords": [
+                "dev",
+                "static analysis"
+            ],
+            "support": {
+                "issues": "https://github.com/phpstan/extension-installer/issues",
+                "source": "https://github.com/phpstan/extension-installer/tree/1.4.3"
+            },
+            "time": "2024-09-04T20:21:43+00:00"
+        },
+        {
+            "name": "phpstan/phpstan",
+            "version": "2.1.33",
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/9e800e6bee7d5bd02784d4c6069b48032d16224f",
+                "reference": "9e800e6bee7d5bd02784d4c6069b48032d16224f",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.4|^8.0"
+            },
+            "conflict": {
+                "phpstan/phpstan-shim": "*"
+            },
+            "bin": [
+                "phpstan",
+                "phpstan.phar"
+            ],
+            "type": "library",
+            "autoload": {
+                "files": [
+                    "bootstrap.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "description": "PHPStan - PHP Static Analysis Tool",
+            "keywords": [
+                "dev",
+                "static analysis"
+            ],
+            "support": {
+                "docs": "https://phpstan.org/user-guide/getting-started",
+                "forum": "https://github.com/phpstan/phpstan/discussions",
+                "issues": "https://github.com/phpstan/phpstan/issues",
+                "security": "https://github.com/phpstan/phpstan/security/policy",
+                "source": "https://github.com/phpstan/phpstan-src"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/ondrejmirtes",
+                    "type": "github"
+                },
+                {
+                    "url": "https://github.com/phpstan",
+                    "type": "github"
+                }
+            ],
+            "time": "2025-12-05T10:24:31+00:00"
+        },
         {
             "name": "phpunit/php-code-coverage",
             "version": "9.2.32",
@@ -634,16 +786,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "9.6.21",
+            "version": "9.6.31",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "de6abf3b6f8dd955fac3caad3af7a9504e8c2ffa"
+                "reference": "945d0b7f346a084ce5549e95289962972c4272e5"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/de6abf3b6f8dd955fac3caad3af7a9504e8c2ffa",
-                "reference": "de6abf3b6f8dd955fac3caad3af7a9504e8c2ffa",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/945d0b7f346a084ce5549e95289962972c4272e5",
+                "reference": "945d0b7f346a084ce5549e95289962972c4272e5",
                 "shasum": ""
             },
             "require": {
@@ -654,7 +806,7 @@
                 "ext-mbstring": "*",
                 "ext-xml": "*",
                 "ext-xmlwriter": "*",
-                "myclabs/deep-copy": "^1.12.0",
+                "myclabs/deep-copy": "^1.13.4",
                 "phar-io/manifest": "^2.0.4",
                 "phar-io/version": "^3.2.1",
                 "php": ">=7.3",
@@ -665,11 +817,11 @@
                 "phpunit/php-timer": "^5.0.3",
                 "sebastian/cli-parser": "^1.0.2",
                 "sebastian/code-unit": "^1.0.8",
-                "sebastian/comparator": "^4.0.8",
+                "sebastian/comparator": "^4.0.9",
                 "sebastian/diff": "^4.0.6",
                 "sebastian/environment": "^5.1.5",
-                "sebastian/exporter": "^4.0.6",
-                "sebastian/global-state": "^5.0.7",
+                "sebastian/exporter": "^4.0.8",
+                "sebastian/global-state": "^5.0.8",
                 "sebastian/object-enumerator": "^4.0.4",
                 "sebastian/resource-operations": "^3.0.4",
                 "sebastian/type": "^3.2.1",
@@ -717,7 +869,7 @@
             "support": {
                 "issues": "https://github.com/sebastianbergmann/phpunit/issues",
                 "security": "https://github.com/sebastianbergmann/phpunit/security/policy",
-                "source": "https://github.com/sebastianbergmann/phpunit/tree/9.6.21"
+                "source": "https://github.com/sebastianbergmann/phpunit/tree/9.6.31"
             },
             "funding": [
                 {
@@ -728,12 +880,20 @@
                     "url": "https://github.com/sebastianbergmann",
                     "type": "github"
                 },
+                {
+                    "url": "https://liberapay.com/sebastianbergmann",
+                    "type": "liberapay"
+                },
+                {
+                    "url": "https://thanks.dev/u/gh/sebastianbergmann",
+                    "type": "thanks_dev"
+                },
                 {
                     "url": "https://tidelift.com/funding/github/packagist/phpunit/phpunit",
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-09-19T10:50:18+00:00"
+            "time": "2025-12-06T07:45:52+00:00"
         },
         {
             "name": "sebastian/cli-parser",
@@ -904,16 +1064,16 @@
         },
         {
             "name": "sebastian/comparator",
-            "version": "4.0.8",
+            "version": "4.0.9",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/comparator.git",
-                "reference": "fa0f136dd2334583309d32b62544682ee972b51a"
+                "reference": "67a2df3a62639eab2cc5906065e9805d4fd5dfc5"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/comparator/zipball/fa0f136dd2334583309d32b62544682ee972b51a",
-                "reference": "fa0f136dd2334583309d32b62544682ee972b51a",
+                "url": "https://api.github.com/repos/sebastianbergmann/comparator/zipball/67a2df3a62639eab2cc5906065e9805d4fd5dfc5",
+                "reference": "67a2df3a62639eab2cc5906065e9805d4fd5dfc5",
                 "shasum": ""
             },
             "require": {
@@ -966,15 +1126,27 @@
             ],
             "support": {
                 "issues": "https://github.com/sebastianbergmann/comparator/issues",
-                "source": "https://github.com/sebastianbergmann/comparator/tree/4.0.8"
+                "source": "https://github.com/sebastianbergmann/comparator/tree/4.0.9"
             },
             "funding": [
                 {
                     "url": "https://github.com/sebastianbergmann",
                     "type": "github"
+                },
+                {
+                    "url": "https://liberapay.com/sebastianbergmann",
+                    "type": "liberapay"
+                },
+                {
+                    "url": "https://thanks.dev/u/gh/sebastianbergmann",
+                    "type": "thanks_dev"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/sebastian/comparator",
+                    "type": "tidelift"
                 }
             ],
-            "time": "2022-09-14T12:41:17+00:00"
+            "time": "2025-08-10T06:51:50+00:00"
         },
         {
             "name": "sebastian/complexity",
@@ -1164,16 +1336,16 @@
         },
         {
             "name": "sebastian/exporter",
-            "version": "4.0.6",
+            "version": "4.0.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/exporter.git",
-                "reference": "78c00df8f170e02473b682df15bfcdacc3d32d72"
+                "reference": "14c6ba52f95a36c3d27c835d65efc7123c446e8c"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/exporter/zipball/78c00df8f170e02473b682df15bfcdacc3d32d72",
-                "reference": "78c00df8f170e02473b682df15bfcdacc3d32d72",
+                "url": "https://api.github.com/repos/sebastianbergmann/exporter/zipball/14c6ba52f95a36c3d27c835d65efc7123c446e8c",
+                "reference": "14c6ba52f95a36c3d27c835d65efc7123c446e8c",
                 "shasum": ""
             },
             "require": {
@@ -1229,28 +1401,40 @@
             ],
             "support": {
                 "issues": "https://github.com/sebastianbergmann/exporter/issues",
-                "source": "https://github.com/sebastianbergmann/exporter/tree/4.0.6"
+                "source": "https://github.com/sebastianbergmann/exporter/tree/4.0.8"
             },
             "funding": [
                 {
                     "url": "https://github.com/sebastianbergmann",
                     "type": "github"
+                },
+                {
+                    "url": "https://liberapay.com/sebastianbergmann",
+                    "type": "liberapay"
+                },
+                {
+                    "url": "https://thanks.dev/u/gh/sebastianbergmann",
+                    "type": "thanks_dev"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/sebastian/exporter",
+                    "type": "tidelift"
                 }
             ],
-            "time": "2024-03-02T06:33:00+00:00"
+            "time": "2025-09-24T06:03:27+00:00"
         },
         {
             "name": "sebastian/global-state",
-            "version": "5.0.7",
+            "version": "5.0.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/global-state.git",
-                "reference": "bca7df1f32ee6fe93b4d4a9abbf69e13a4ada2c9"
+                "reference": "b6781316bdcd28260904e7cc18ec983d0d2ef4f6"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/global-state/zipball/bca7df1f32ee6fe93b4d4a9abbf69e13a4ada2c9",
-                "reference": "bca7df1f32ee6fe93b4d4a9abbf69e13a4ada2c9",
+                "url": "https://api.github.com/repos/sebastianbergmann/global-state/zipball/b6781316bdcd28260904e7cc18ec983d0d2ef4f6",
+                "reference": "b6781316bdcd28260904e7cc18ec983d0d2ef4f6",
                 "shasum": ""
             },
             "require": {
@@ -1293,15 +1477,27 @@
             ],
             "support": {
                 "issues": "https://github.com/sebastianbergmann/global-state/issues",
-                "source": "https://github.com/sebastianbergmann/global-state/tree/5.0.7"
+                "source": "https://github.com/sebastianbergmann/global-state/tree/5.0.8"
             },
             "funding": [
                 {
                     "url": "https://github.com/sebastianbergmann",
                     "type": "github"
+                },
+                {
+                    "url": "https://liberapay.com/sebastianbergmann",
+                    "type": "liberapay"
+                },
+                {
+                    "url": "https://thanks.dev/u/gh/sebastianbergmann",
+                    "type": "thanks_dev"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/sebastian/global-state",
+                    "type": "tidelift"
                 }
             ],
-            "time": "2024-03-02T06:35:11+00:00"
+            "time": "2025-08-10T07:10:35+00:00"
         },
         {
             "name": "sebastian/lines-of-code",
@@ -1474,16 +1670,16 @@
         },
         {
             "name": "sebastian/recursion-context",
-            "version": "4.0.5",
+            "version": "4.0.6",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/recursion-context.git",
-                "reference": "e75bd0f07204fec2a0af9b0f3cfe97d05f92efc1"
+                "reference": "539c6691e0623af6dc6f9c20384c120f963465a0"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/recursion-context/zipball/e75bd0f07204fec2a0af9b0f3cfe97d05f92efc1",
-                "reference": "e75bd0f07204fec2a0af9b0f3cfe97d05f92efc1",
+                "url": "https://api.github.com/repos/sebastianbergmann/recursion-context/zipball/539c6691e0623af6dc6f9c20384c120f963465a0",
+                "reference": "539c6691e0623af6dc6f9c20384c120f963465a0",
                 "shasum": ""
             },
             "require": {
@@ -1525,15 +1721,27 @@
             "homepage": "https://github.com/sebastianbergmann/recursion-context",
             "support": {
                 "issues": "https://github.com/sebastianbergmann/recursion-context/issues",
-                "source": "https://github.com/sebastianbergmann/recursion-context/tree/4.0.5"
+                "source": "https://github.com/sebastianbergmann/recursion-context/tree/4.0.6"
             },
             "funding": [
                 {
                     "url": "https://github.com/sebastianbergmann",
                     "type": "github"
+                },
+                {
+                    "url": "https://liberapay.com/sebastianbergmann",
+                    "type": "liberapay"
+                },
+                {
+                    "url": "https://thanks.dev/u/gh/sebastianbergmann",
+                    "type": "thanks_dev"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/sebastian/recursion-context",
+                    "type": "tidelift"
                 }
             ],
-            "time": "2023-02-03T06:07:39+00:00"
+            "time": "2025-08-10T06:57:39+00:00"
         },
         {
             "name": "sebastian/resource-operations",
@@ -1700,16 +1908,16 @@
         },
         {
             "name": "squizlabs/php_codesniffer",
-            "version": "3.10.3",
+            "version": "3.13.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/PHPCSStandards/PHP_CodeSniffer.git",
-                "reference": "62d32998e820bddc40f99f8251958aed187a5c9c"
+                "reference": "0ca86845ce43291e8f5692c7356fccf3bcf02bf4"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/PHPCSStandards/PHP_CodeSniffer/zipball/62d32998e820bddc40f99f8251958aed187a5c9c",
-                "reference": "62d32998e820bddc40f99f8251958aed187a5c9c",
+                "url": "https://api.github.com/repos/PHPCSStandards/PHP_CodeSniffer/zipball/0ca86845ce43291e8f5692c7356fccf3bcf02bf4",
+                "reference": "0ca86845ce43291e8f5692c7356fccf3bcf02bf4",
                 "shasum": ""
             },
             "require": {
@@ -1726,11 +1934,6 @@
                 "bin/phpcs"
             ],
             "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "3.x-dev"
-                }
-            },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
                 "BSD-3-Clause"
@@ -1774,22 +1977,89 @@
                 {
                     "url": "https://opencollective.com/php_codesniffer",
                     "type": "open_collective"
+                },
+                {
+                    "url": "https://thanks.dev/u/gh/phpcsstandards",
+                    "type": "thanks_dev"
                 }
             ],
-            "time": "2024-09-18T10:38:58+00:00"
+            "time": "2025-11-04T16:30:35+00:00"
+        },
+        {
+            "name": "szepeviktor/phpstan-wordpress",
+            "version": "v2.0.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/szepeviktor/phpstan-wordpress.git",
+                "reference": "aa722f037b2d034828cd6c55ebe9e5c74961927e"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/szepeviktor/phpstan-wordpress/zipball/aa722f037b2d034828cd6c55ebe9e5c74961927e",
+                "reference": "aa722f037b2d034828cd6c55ebe9e5c74961927e",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.4 || ^8.0",
+                "php-stubs/wordpress-stubs": "^6.6.2",
+                "phpstan/phpstan": "^2.0"
+            },
+            "require-dev": {
+                "composer/composer": "^2.1.14",
+                "composer/semver": "^3.4",
+                "dealerdirect/phpcodesniffer-composer-installer": "^1.0",
+                "php-parallel-lint/php-parallel-lint": "^1.1",
+                "phpstan/phpstan-strict-rules": "^2.0",
+                "phpunit/phpunit": "^9.0",
+                "szepeviktor/phpcs-psr-12-neutron-hybrid-ruleset": "^1.0",
+                "wp-coding-standards/wpcs": "3.1.0 as 2.3.0"
+            },
+            "suggest": {
+                "swissspidy/phpstan-no-private": "Detect usage of internal core functions, classes and methods"
+            },
+            "type": "phpstan-extension",
+            "extra": {
+                "phpstan": {
+                    "includes": [
+                        "extension.neon"
+                    ]
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "SzepeViktor\\PHPStan\\WordPress\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "description": "WordPress extensions for PHPStan",
+            "keywords": [
+                "PHPStan",
+                "code analyse",
+                "code analysis",
+                "static analysis",
+                "wordpress"
+            ],
+            "support": {
+                "issues": "https://github.com/szepeviktor/phpstan-wordpress/issues",
+                "source": "https://github.com/szepeviktor/phpstan-wordpress/tree/v2.0.3"
+            },
+            "time": "2025-09-14T02:58:22+00:00"
         },
         {
             "name": "theseer/tokenizer",
-            "version": "1.2.3",
+            "version": "1.3.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/theseer/tokenizer.git",
-                "reference": "737eda637ed5e28c3413cb1ebe8bb52cbf1ca7a2"
+                "reference": "b7489ce515e168639d17feec34b8847c326b0b3c"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/theseer/tokenizer/zipball/737eda637ed5e28c3413cb1ebe8bb52cbf1ca7a2",
-                "reference": "737eda637ed5e28c3413cb1ebe8bb52cbf1ca7a2",
+                "url": "https://api.github.com/repos/theseer/tokenizer/zipball/b7489ce515e168639d17feec34b8847c326b0b3c",
+                "reference": "b7489ce515e168639d17feec34b8847c326b0b3c",
                 "shasum": ""
             },
             "require": {
@@ -1818,7 +2088,7 @@
             "description": "A small library for converting tokenized PHP source code into XML and potentially other formats",
             "support": {
                 "issues": "https://github.com/theseer/tokenizer/issues",
-                "source": "https://github.com/theseer/tokenizer/tree/1.2.3"
+                "source": "https://github.com/theseer/tokenizer/tree/1.3.1"
             },
             "funding": [
                 {
@@ -1826,17 +2096,17 @@
                     "type": "github"
                 }
             ],
-            "time": "2024-03-03T12:36:25+00:00"
+            "time": "2025-11-17T20:03:58+00:00"
         }
     ],
     "aliases": [],
     "minimum-stability": "dev",
-    "stability-flags": [],
+    "stability-flags": {},
     "prefer-stable": true,
     "prefer-lowest": false,
     "platform": {
         "php": ">=7.2"
     },
-    "platform-dev": [],
-    "plugin-api-version": "2.3.0"
+    "platform-dev": {},
+    "plugin-api-version": "2.6.0"
 }
diff --git a/phpstan.neon.dist b/phpstan.neon.dist
new file mode 100644
index 0000000..60b34c0
--- /dev/null
+++ b/phpstan.neon.dist
@@ -0,0 +1,6 @@
+parameters:
+    level: 5
+    paths:
+        - src
+    scanFiles:
+        - vendor/php-stubs/wordpress-stubs/wordpress-stubs.php
diff --git a/src/Columns.php b/src/Columns.php
index cdd7be5..a217dc2 100644
--- a/src/Columns.php
+++ b/src/Columns.php
@@ -70,7 +70,7 @@ public function column(ColumnContract $column)
      * @param callable|null $callback
      * @return void
      */
-    public function add(string $key, string $label, callable $callback = null)
+    public function add(string $key, string $label, ?callable $callback = null)
     {
         $this->add[$key] = $label;
 
@@ -129,7 +129,7 @@ public function sortable(string $key, callable $callback)
      * Apply columns.
      *
      * @param array $columns
-     * @return void
+     * @return array
      */
     public function applyColumns(array $columns)
     {
diff --git a/src/Registrars/PostTypeRegistrar.php b/src/Registrars/PostTypeRegistrar.php
index 6923693..361e63e 100644
--- a/src/Registrars/PostTypeRegistrar.php
+++ b/src/Registrars/PostTypeRegistrar.php
@@ -45,11 +45,11 @@ public function register()
         add_action('init', [$this, 'initialize'], 10, 0);
 
         // Handle PostType filters.
-        add_action('restrict_manage_posts', [$this, 'modifyFilters'], 10, 2);
+        add_action('restrict_manage_posts', [$this, 'modifyFilters'], 10, 1);
 
         // Handle PostType columns.
         add_filter('manage_' . $name . '_posts_columns', [$this, 'modifyColumns'], 10, 1);
-        add_filter('manage_' . $name . '_posts_custom_column', [$this, 'populateColumns'], 10, 2);
+        add_action('manage_' . $name . '_posts_custom_column', [$this, 'populateColumns'], 10, 2);
         add_filter('manage_edit-' . $name . '_sortable_columns', [$this, 'setSortableColumns'], 10, 1);
         add_action('pre_get_posts', [$this, 'sortSortableColumns'], 10, 1);
 
diff --git a/src/Registrars/TaxonomyRegistrar.php b/src/Registrars/TaxonomyRegistrar.php
index 1548c06..23363ba 100644
--- a/src/Registrars/TaxonomyRegistrar.php
+++ b/src/Registrars/TaxonomyRegistrar.php
@@ -46,7 +46,7 @@ public function register()
 
         // Handle Taxonomy columns.
         add_filter('manage_edit-' . $name . '_columns', [$this, 'modifyColumns'], 10, 1);
-        add_filter('manage_' . $name . '_custom_column', [$this, 'populateColumns'], 10, 3);
+        add_action('manage_' . $name . '_custom_column', [$this, 'populateColumns'], 10, 3);
         add_filter('manage_edit-' . $name . '_sortable_columns', [$this, 'setSortableColumns'], 10, 1);
         add_action('parse_term_query', [$this, 'sortSortableColumns'], 10, 1);
 
@@ -71,7 +71,7 @@ public function createColumns()
      */
     public function registerTaxonomy()
     {
-        register_taxonomy($this->taxonomy->name(), null, $this->generateOptions());
+        register_taxonomy($this->taxonomy->name(), [], $this->generateOptions());
     }
 
     /**