GH Actions: split workflow

.github/workflows/reusable-validate.yml

@@ -0,0 +1,35 @@
+name: Validate
+
+on:
+  workflow_call:
+
+permissions: {}
+
+jobs:
+  validate:
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: true
+      matrix:
+        php: ['5.4', 'latest']
+
+    name: PHP ${{ matrix.php }}
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        with:
+          persist-credentials: false
+
+      - name: Install PHP
+        uses: shivammathur/setup-php@bf6b4fbd49ca58e4608c9c89fba0b8d90bd2a39f # 2.35.5
+        with:
+          php-version: ${{ matrix.php }}
+          coverage: none
+
+      - name: Install dependencies
+        run: composer update --no-interaction --no-progress
+
+      - name: Validate Composer installation
+        run: composer validate --no-check-all --strict

.github/workflows/validate-cron.yml

@@ -0,0 +1,15 @@
+name: Validate Cronjob
+
+on:
+  # Run the validation workflow on day 15 of every month as the repo isn't that active.
+  schedule:
+    - cron: '0 0 15 * *'
+
+permissions: {}
+
+jobs:
+  validate:
+    # Don't run the cron job on forks.
+    if: ${{ github.event.repository.fork == false }}
+
+    uses: ./.github/workflows/reusable-validate.yml

.github/workflows/validate.yml

@@ -4,42 +4,11 @@ on:
   # Run on all pushes and pull requests.
   push:
   pull_request:
-  # Also run this workflow on day 15 of every month as the repo isn't that active.
-  schedule:
-    - cron: '0 0 15 * *'
   # Allow manually triggering the workflow.
   workflow_dispatch:
 
 permissions: {}
 
 jobs:
   validate:
-    # Don't run the cron job on forks.
-    if: ${{ github.event_name != 'schedule' || github.event.repository.fork == false }}
-
-    runs-on: ubuntu-latest
-
-    strategy:
-      fail-fast: true
-      matrix:
-        php: ['5.4', 'latest']
-
-    name: PHP ${{ matrix.php }}
-
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
-        with:
-          persist-credentials: false
-
-      - name: Install PHP
-        uses: shivammathur/setup-php@bf6b4fbd49ca58e4608c9c89fba0b8d90bd2a39f # 2.35.5
-        with:
-          php-version: ${{ matrix.php }}
-          coverage: none
-
-      - name: Install dependencies
-        run: composer update --no-interaction --no-progress
-
-      - name: Validate Composer installation
-        run: composer validate --no-check-all --strict
+    uses: ./.github/workflows/reusable-validate.yml