ci: create an initial linting CI

This was copied for the most part from
https://github.com/phpmyadmin/phpmyadmin/blob/b094f337466a1188ad755b33be5a7b7b25a70916/.github/workflows/lint-and-analyse-php.yml

.github/workflows/lint-and-analyse-php.yml

@@ -0,0 +1,87 @@
+name: Lint and analyse php files
+
+# If a pull-request is pushed then cancel all previously running jobs related
+# to that pull-request
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.sha }}
+  cancel-in-progress: true 
+
+on:
+  # push:
+  pull_request:
+    types: [opened, synchronize, reopened]
+    branches:
+      - develop
+
+permissions:
+  contents: read
+
+jobs:
+  lint-php-files:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        php-version: ["8.1"]
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up PHP ${{ matrix.php-version }}
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php-version }}
+
+      - name: Validate composer.json and composer.lock
+        run: composer validate --strict
+
+      - name: Install Composer dependencies
+        # Allow the previous check to fail but not abort
+        if: always()
+        uses: ramsey/composer-install@v2
+        with:
+          # Ignore zip for php-webdriver/webdriver
+          composer-options: "--ignore-platform-req=ext-zip"
+
+      # - name: Cache coding-standard
+      #   # Allow the previous check to fail but not abort
+      #   if: always()
+      #   uses: actions/cache@v4
+      #   with:
+      #     path: .phpcs-cache
+      #     key: phpcs-cache
+
+      - name: Lint PHP files
+        # Allow the previous check to fail but not abort
+        if: always()
+        run: ./tests/ci-phplint
+
+      - name: Check coding-standard
+        # Allow the previous check to fail but not abort
+        if: always()
+        run: composer phpcs
+
+  analyse-php:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        php-version: ["8.1"]
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up PHP ${{ matrix.php-version }}
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php-version }}
+          extensions: mbstring, iconv, mysqli, zip, gd, bz2
+
+      - name: Install Composer dependencies
+        uses: ramsey/composer-install@v2
+
+      - name: Analyse files with PHPStan
+        run: composer phpstan -- --memory-limit 2G
+
+      - name: Analyse files with Psalm
+        # Allow the previous check to fail but not abort
+        if: always()
+        run: composer psalm -- --shepherd

ci/ci-phplint

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+#!/bin/sh
+
+FILES=$(find . -name '*.php' -not -path './vendor/*' -not -path './tmp/*' -not -path './node_modules/*')
+
+result=0
+for FILE in $FILES ; do
+    if [ -f "$FILE" ] ; then
+        php -l "$FILE"
+        ret=$?
+        if [ $ret != 0 ] ; then
+            result=$ret
+        fi
+    fi
+done
+
+exit $result