Merge branch 'php8' into 3.x

Closes #71
Fixes #68

.gitignore

@@ -3,4 +3,6 @@ composer.lock
 phpunit.xml
 vendor
 .idea
-composer.phar
+composer.phar
+.phpunit.result.cache
+build/

.travis.yml

@@ -1,6 +1,6 @@
 language: php
 
-dist: trusty
+dist: bionic
 
 matrix:
   include:
@@ -9,6 +9,7 @@ matrix:
   - php: 7.3
   - php: 7.4
     env: ANALYSIS='true'
+  - php: 8.0
   - php: nightly
   allow_failures:
   - php: nightly

composer.json

@@ -1,8 +1,16 @@
 {
     "name": "slim/php-view",
-    "type" : "library",
+    "type": "library",
     "description": "Render PHP view scripts into a PSR-7 Response object.",
-    "keywords": ["slim","framework","view","template","php","phtml","renderer"],
+    "keywords": [
+        "slim",
+        "framework",
+        "view",
+        "template",
+        "php",
+        "phtml",
+        "renderer"
+    ],
     "license": "MIT",
     "authors": [
         {
@@ -11,7 +19,7 @@
         }
     ],
     "require": {
-        "php": "^7.1",
+        "php": "^7.1 || ^8.0",
         "psr/http-message": "^1.0"
     },
     "autoload": {
@@ -20,8 +28,12 @@
         }
     },
     "require-dev": {
-        "phpunit/phpunit": "^7.0",
-        "slim/psr7" : "^0.6",
+        "phpunit/phpunit": "^7.0 || ^8.0",
+        "slim/psr7": "^0.6 || ^1",
         "squizlabs/php_codesniffer": "^3.5"
+    },
+    "scripts": {
+        "test": "phpunit --configuration phpunit.xml.dist",
+        "test:coverage": "phpunit --configuration phpunit.xml.dist --coverage-clover build/logs/clover.xml --coverage-html build/coverage"
     }
 }