feature: expose headers as public readonly property (#176)

Author: Greg Bowler

.github/workflows/ci.yml

@@ -7,21 +7,24 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Cache Composer dependencies
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: /tmp/composer-cache
           key: ${{ runner.os }}-${{ hashFiles('**/composer.lock') }}
 
-      - uses: php-actions/composer@v5
+      - name: Composer
+        uses: php-actions/composer@v6
+        with:
+          php_version: '8.1'
 
       - name: Archive build
         run: mkdir /tmp/github-actions/ && tar -cvf /tmp/github-actions/build.tar ./
 
       - name: Upload build archive for test runners
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v3
         with:
           name: build-artifact
           path: /tmp/github-actions
@@ -31,7 +34,7 @@ jobs:
     needs: [composer]
 
     steps:
-      - uses: actions/download-artifact@v2
+      - uses: actions/download-artifact@v3
         with:
           name: build-artifact
           path: /tmp/github-actions
@@ -42,7 +45,7 @@ jobs:
       - name: PHP Unit tests
         uses: php-actions/phpunit@v3
         with:
-          php_version: 8.0
+          php_version: '8.1'
           php_extensions: xdebug
           memory_limit: 256M
           configuration: test/phpunit/phpunit.xml
@@ -53,7 +56,7 @@ jobs:
     needs: [composer]
 
     steps:
-      - uses: actions/download-artifact@v2
+      - uses: actions/download-artifact@v3
         with:
           name: build-artifact
           path: /tmp/github-actions
@@ -64,5 +67,6 @@ jobs:
       - name: PHP Static Analysis
         uses: php-actions/phpstan@v3
         with:
+          php_version: '8.1'
           path: src/
           level: 6

.scrutinizer.yml

@@ -1,6 +1,6 @@
 build:
   environment:
-    php: 8.0.0
+    php: 8.1.0
 
   nodes:
     analysis:
@@ -29,4 +29,4 @@ checks:
 filter:
   excluded_paths:
     - test/*
-    - vendor/*
+    - vendor/*

composer.json

@@ -4,7 +4,7 @@
 	"license": "MIT",
 
 	"require": {
-		"php": ">=8.0",
+		"php": ">=8.1",
 		"phpgt/input": "^v1",
 		"psr/http-message": "^v1.0.1",
 		"willdurand/negotiation": "v3.1.0"

composer.lock

@@ -5,7 +5,7 @@
 use Psr\Http\Message\StreamInterface;
 
 trait Message {
-	protected Headers $headers;
+	public readonly Headers $headers;
 	protected string $protocol;
 	protected StreamInterface $stream;
 
@@ -17,7 +17,7 @@ trait Message {
 	 * @return string HTTP protocol version.
 	 */
 	public function getProtocolVersion():string {
-		if(strstr($this->protocol, "/")) {
+		if(str_contains($this->protocol, "/")) {
 			return substr(
 				$this->protocol,
 				strpos($this->protocol, "/") + 1
@@ -41,7 +41,7 @@ public function getProtocolVersion():string {
 	 * @return static
 	 * @throws InvalidProtocolHttpException
 	 */
-	public function withProtocolVersion($version) {
+	public function withProtocolVersion($version):self {
 		if(!is_numeric($version)) {
 			throw new InvalidProtocolHttpException($version);
 		}