diff --git a/.editorconfig b/.editorconfig
deleted file mode 100644
index c59c447b..00000000
--- a/.editorconfig
+++ /dev/null
@@ -1,12 +0,0 @@
-root = true
-
-[*]
-indent_style = tab
-indent_size = 4
-end_of_line = lf
-charset = utf-8
-trim_trailing_whitespace = true
-insert_final_newline = true
-
-[*.md]
-trim_trailing_whitespace = false
diff --git a/.github/workflows/contributors.yml b/.github/workflows/contributors.yml
deleted file mode 100644
index ebf5eea1..00000000
--- a/.github/workflows/contributors.yml
+++ /dev/null
@@ -1,21 +0,0 @@
-name: main
-
-on:
-  workflow_dispatch:
-
-permissions:
-  contents: write
-  pull-requests: write
-
-jobs:
-  contributors:
-    runs-on: ubuntu-latest
-
-    steps:
-      - uses: actions/checkout@v4
-
-      - uses: akhilmhdh/contributors-readme-action@v2.3.11
-        with:
-          image_size: 48
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
new file mode 100644
index 00000000..974dad5c
--- /dev/null
+++ b/.github/workflows/pull-request.yml
@@ -0,0 +1,19 @@
+name: pull-request
+
+on:
+  pull_request:
+
+jobs:
+  php:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.3'
+
+      - run: composer install --no-progress
+
+      - run: make checks
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 00000000..fc8aa5c1
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+node_modules/
+vendor/
+composer.lock
+hack/demo/temp/
diff --git a/.phpcs.xml b/.phpcs.xml
new file mode 100644
index 00000000..4491da7e
--- /dev/null
+++ b/.phpcs.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0"?>
+<ruleset>
+	<rule ref="./vendor/mediawiki/mediawiki-codesniffer/MediaWiki">
+		<exclude name="MediaWiki.Commenting.FunctionComment.MissingDocumentationPublic" />
+		<exclude name="MediaWiki.Commenting.FunctionComment.MissingDocumentationPrivate" />
+	</rule>
+	<file>.</file>
+	<exclude-pattern>\.stubs/</exclude-pattern>
+	<exclude-pattern>hack/</exclude-pattern>
+	<exclude-pattern>tests/</exclude-pattern>
+	<arg name="extensions" value="php"/>
+	<arg name="encoding" value="UTF-8"/>
+</ruleset>
diff --git a/.vscode/extensions.json b/.vscode/extensions.json
new file mode 100644
index 00000000..3eee8217
--- /dev/null
+++ b/.vscode/extensions.json
@@ -0,0 +1,5 @@
+{
+	"recommendations": [
+		"wongjn.php-sniffer"
+	]
+}
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 00000000..5737ef9a
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,7 @@
+{
+	"[php]": {
+		"editor.defaultFormatter": "wongjn.php-sniffer",
+		"editor.formatOnSave": true,
+	},
+	"phpSniffer.executablesFolder": "vendor/bin/"
+}
diff --git a/Makefile b/Makefile
new file mode 100644
index 00000000..a3af8f52
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,9 @@
+.PHONY: checks test phpcs
+
+checks: test phpcs ## Everything CI runs before merging (needs `composer install`, PHP >= 8.2)
+
+test: ## Run the pure-PHP test suites
+	php tests/QuotesTest.php
+
+phpcs: ## parallel-lint + minus-x + phpcs against the MediaWiki coding standard
+	composer test
diff --git a/README.md b/README.md
index ca5f3642..a5381188 100644
--- a/README.md
+++ b/README.md
@@ -101,143 +101,3 @@ $wgHooks['SimpleMathJaxAttributes'][]
 	};
 ```
 
-## Contributors
-
-<!-- readme: collaborators,contributors -start -->
-<table>
-	<tbody>
-		<tr>
-            <td align="center">
-                <a href="https://github.com/jmnote">
-                    <img src="https://avatars.githubusercontent.com/u/2242405?v=4" width="48;" alt="jmnote"/>
-                    <br />
-                    <sub><b>jmnote</b></sub>
-                </a>
-            </td>
-            <td align="center">
-                <a href="https://github.com/jamesmontalvo3">
-                    <img src="https://avatars.githubusercontent.com/u/716482?v=4" width="48;" alt="jamesmontalvo3"/>
-                    <br />
-                    <sub><b>James Montalvo</b></sub>
-                </a>
-            </td>
-            <td align="center">
-                <a href="https://github.com/hexmode">
-                    <img src="https://avatars.githubusercontent.com/u/43581?v=4" width="48;" alt="hexmode"/>
-                    <br />
-                    <sub><b>Mark A. Hershberger</b></sub>
-                </a>
-            </td>
-            <td align="center">
-                <a href="https://github.com/dummy-index">
-                    <img src="https://avatars.githubusercontent.com/u/3407906?v=4" width="48;" alt="dummy-index"/>
-                    <br />
-                    <sub><b>dummy-index</b></sub>
-                </a>
-            </td>
-            <td align="center">
-                <a href="https://github.com/lakejason0">
-                    <img src="https://avatars.githubusercontent.com/u/36039861?v=4" width="48;" alt="lakejason0"/>
-                    <br />
-                    <sub><b>lakejason0</b></sub>
-                </a>
-            </td>
-            <td align="center">
-                <a href="https://github.com/badshah400">
-                    <img src="https://avatars.githubusercontent.com/u/3532467?v=4" width="48;" alt="badshah400"/>
-                    <br />
-                    <sub><b>Atri Bhattacharya</b></sub>
-                </a>
-            </td>
-		</tr>
-		<tr>
-            <td align="center">
-                <a href="https://github.com/Nikerabbit">
-                    <img src="https://avatars.githubusercontent.com/u/1109395?v=4" width="48;" alt="Nikerabbit"/>
-                    <br />
-                    <sub><b>Niklas Laxström</b></sub>
-                </a>
-            </td>
-            <td align="center">
-                <a href="https://github.com/cubercsl">
-                    <img src="https://avatars.githubusercontent.com/u/22931465?v=4" width="48;" alt="cubercsl"/>
-                    <br />
-                    <sub><b>cubercsl</b></sub>
-                </a>
-            </td>
-            <td align="center">
-                <a href="https://github.com/liberaldev">
-                    <img src="https://avatars.githubusercontent.com/u/56965274?v=4" width="48;" alt="liberaldev"/>
-                    <br />
-                    <sub><b>Liberal Dev</b></sub>
-                </a>
-            </td>
-            <td align="center">
-                <a href="https://github.com/Adnn">
-                    <img src="https://avatars.githubusercontent.com/u/3911163?v=4" width="48;" alt="Adnn"/>
-                    <br />
-                    <sub><b>Adnn</b></sub>
-                </a>
-            </td>
-            <td align="center">
-                <a href="https://github.com/dexgs">
-                    <img src="https://avatars.githubusercontent.com/u/93449583?v=4" width="48;" alt="dexgs"/>
-                    <br />
-                    <sub><b>Dexter Gaon-Shatford</b></sub>
-                </a>
-            </td>
-            <td align="center">
-                <a href="https://github.com/pastakhov">
-                    <img src="https://avatars.githubusercontent.com/u/1772774?v=4" width="48;" alt="pastakhov"/>
-                    <br />
-                    <sub><b>Pavel Astakhov</b></sub>
-                </a>
-            </td>
-		</tr>
-		<tr>
-            <td align="center">
-                <a href="https://github.com/v-gar">
-                    <img src="https://avatars.githubusercontent.com/u/11472697?v=4" width="48;" alt="v-gar"/>
-                    <br />
-                    <sub><b>Viktor Garske</b></sub>
-                </a>
-            </td>
-            <td align="center">
-                <a href="https://github.com/rickselby">
-                    <img src="https://avatars.githubusercontent.com/u/1564517?v=4" width="48;" alt="rickselby"/>
-                    <br />
-                    <sub><b>Rick Selby</b></sub>
-                </a>
-            </td>
-            <td align="center">
-                <a href="https://github.com/guyru">
-                    <img src="https://avatars.githubusercontent.com/u/1255135?v=4" width="48;" alt="guyru"/>
-                    <br />
-                    <sub><b>guyru</b></sub>
-                </a>
-            </td>
-            <td align="center">
-                <a href="https://github.com/poiega">
-                    <img src="https://avatars.githubusercontent.com/u/110189813?v=4" width="48;" alt="poiega"/>
-                    <br />
-                    <sub><b>poiega</b></sub>
-                </a>
-            </td>
-            <td align="center">
-                <a href="https://github.com/vedmaka">
-                    <img src="https://avatars.githubusercontent.com/u/592009?v=4" width="48;" alt="vedmaka"/>
-                    <br />
-                    <sub><b>Vedmaka</b></sub>
-                </a>
-            </td>
-            <td align="center">
-                <a href="https://github.com/yardenac">
-                    <img src="https://avatars.githubusercontent.com/u/687943?v=4" width="48;" alt="yardenac"/>
-                    <br />
-                    <sub><b>Yardena Cohen</b></sub>
-                </a>
-            </td>
-		</tr>
-	<tbody>
-</table>
-<!-- readme: collaborators,contributors -end -->
diff --git a/composer.json b/composer.json
new file mode 100644
index 00000000..a02e8c67
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,27 @@
+{
+	"require-dev": {
+		"mediawiki/mediawiki-codesniffer": "52.0.0",
+		"mediawiki/mediawiki-phan-config": "0.20.0",
+		"mediawiki/minus-x": "2.0.1",
+		"php-parallel-lint/php-console-highlighter": "1.0.0",
+		"php-parallel-lint/php-parallel-lint": "1.4.0"
+	},
+	"scripts": {
+		"fix": [
+			"minus-x fix .",
+			"phpcbf"
+		],
+		"test": [
+			"parallel-lint . --exclude vendor --exclude node_modules",
+			"minus-x check .",
+			"@phpcs"
+		],
+		"phan": "phan -d . --long-progress-bar",
+		"phpcs": "phpcs -sp"
+	},
+	"config": {
+		"allow-plugins": {
+			"dealerdirect/phpcodesniffer-composer-installer": true
+		}
+	}
+}