diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
new file mode 100644
index 0000000..e447119
--- /dev/null
+++ b/.github/workflows/codeql.yml
@@ -0,0 +1,45 @@
+name: "CodeQL"
+
+on:
+  push:
+    branches: [main, master, develop]
+    paths-ignore:
+      - "**/*.md"
+  pull_request:
+    branches: [main, master, develop]
+    paths-ignore:
+      - "**/*.md"
+  schedule:
+    - cron: "30 1 * * 1"
+  workflow_dispatch:
+
+concurrency:
+  group: codeql-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+    timeout-minutes: 15
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+    strategy:
+      fail-fast: false
+      matrix:
+        language: ["javascript-typescript"]
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@b56ba49b26e50535fa1e7f7db0f4f7b4bf65d80d # v3
+        with:
+          languages: ${{ matrix.language }}
+      - name: Autobuild
+        uses: github/codeql-action/autobuild@b56ba49b26e50535fa1e7f7db0f4f7b4bf65d80d # v3
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@b56ba49b26e50535fa1e7f7db0f4f7b4bf65d80d # v3
+        with:
+          category: "/language:${{ matrix.language }}"
diff --git a/locales/LC_MESSAGES/index.php b/locales/LC_MESSAGES/index.php
index 2e22b8c..828ecbe 100644
--- a/locales/LC_MESSAGES/index.php
+++ b/locales/LC_MESSAGES/index.php
@@ -22,4 +22,4 @@
  +-------------------------------------------------------------------------+
 */
 
-header("Location:../index.php");
+header('Location:../index.php');
diff --git a/locales/index.php b/locales/index.php
index 2e22b8c..828ecbe 100644
--- a/locales/index.php
+++ b/locales/index.php
@@ -22,4 +22,4 @@
  +-------------------------------------------------------------------------+
 */
 
-header("Location:../index.php");
+header('Location:../index.php');