complete rewrite of the image parsing

.gitattributes

@@ -4,5 +4,6 @@
 .gitattributes export-ignore
 .wordpress-org export-ignore
 .editorconfig export-ignore
-phpcs.xml export-ignore
+composer.json export-ignore
 docker-compose.yml export-ignore
+phpcs.xml export-ignore

.github/workflows/phpcs.yml

@@ -0,0 +1,31 @@
+name: PHP_CodeSniffer
+on:
+  push:
+  pull_request:
+jobs:
+  phpcs:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '7.4'
+          coverage: none
+          tools: composer, cs2pr
+      - name: Get Composer cache directory
+        id: composer-cache
+        run: echo "::set-output name=dir::$(composer config cache-files-dir)"
+      - name: Setup cache
+        uses: pat-s/always-upload-cache@v1.1.4
+        with:
+          path: ${{ steps.composer-cache.outputs.dir }}
+          # Use the hash of composer.json as the key for your cache if you do not commit composer.lock.
+          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}
+          #key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
+          restore-keys: ${{ runner.os }}-composer-
+      - name: Install dependencies
+        run: composer install --prefer-dist --no-progress
+      - name: Detect coding standard violations
+        run: ./vendor/bin/phpcs

.gitignore

@@ -1,3 +1,5 @@
 
+/vendor/
 .DS_Store
-.vscode/settings.json
+.vscode
+composer.lock

composer.json

@@ -0,0 +1,28 @@
+{
+    "name": "pfefferle/wordpress-opengraph",
+    "description": "Adds Open Graph metadata to your posts and pages so that they look great when shared on sites like Facebook and Twitter.",
+    "type": "wordpress-plugin",
+    "license": "Apache License, Version 2.0",
+    "require": {
+        "php": ">=7.0",
+        "composer/installers": "^1.0 || ^2.0"
+    },
+    "require-dev": {
+        "phpcompatibility/php-compatibility": "*",
+        "phpcompatibility/phpcompatibility-wp": "*",
+        "squizlabs/php_codesniffer": "3.*",
+        "wp-coding-standards/wpcs": "dev-develop",
+        "dealerdirect/phpcodesniffer-composer-installer": "^1.0.0",
+        "sirbrillig/phpcs-variable-analysis": "^2.11",
+        "phpcsstandards/phpcsextra": "^1.1.0"
+    },
+    "config": {
+        "allow-plugins": true
+    },
+    "allow-plugins": {
+        "composer/installers": true
+    },
+	"extra": {
+        "installer-name": "opengraph"
+    }
+}