Update php.yml

Signed-off-by: ArchBlood <[email protected]>

.github/workflows/php.yml

@@ -1,4 +1,4 @@
-name: PHP Composer
+name: PHP Composer 
 on:
   push:
     branches: ["main", "develop"]
@@ -16,12 +16,12 @@ jobs:
           ref: ${{ github.head_ref }}
           fetch-depth: 0
           token: ${{ secrets.GITHUB_TOKEN }}
-          
+
       - name: Setup PHP
         uses: shivammathur/[email protected]
         with:
           php-version: '8.2'
-          
+
       - name: Debug event info
         run: |
           echo "Event name: ${{ github.event_name }}"
@@ -32,8 +32,8 @@ jobs:
         id: check-changes
         if: github.event_name == 'pull_request'
         run: |
-          git fetch origin ${{ github.base_ref }}
-          git diff --name-only origin/${{ github.base_ref }} HEAD | grep -q "composer.json" && echo "changed=true" >> $GITHUB_OUTPUT || echo "changed=false" >> $GITHUB_OUTPUT
+          git fetch origin ${{ github.event.pull_request.base.ref }}
+          git --no-pager diff --name-only origin/${{ github.event.pull_request.base.ref }} HEAD | grep -q "composer.json" && echo "changed=true" >> $GITHUB_OUTPUT || echo "changed=false" >> $GITHUB_OUTPUT
 
       - name: Cache Composer packages
         id: composer-cache
@@ -44,20 +44,17 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-php-
 
-      # Always update in PR if composer.json changed
       - name: Update dependencies in PR
         if: github.event_name == 'pull_request' && steps.check-changes.outputs.changed == 'true'
         run: |
           echo "Running composer update because composer.json changed"
           composer update --prefer-dist --no-progress
 
-      # Regular install for non-PR or when composer.json hasn't changed
       - name: Install dependencies
         if: github.event_name != 'pull_request' || steps.check-changes.outputs.changed != 'true'
         run: |
           composer install --prefer-dist --no-progress
 
-      # Commit changes if we're in a PR and composer.json was changed
       - name: Commit and push updated lock file
         if: github.event_name == 'pull_request' && steps.check-changes.outputs.changed == 'true'
         run: |