Drop support for PHP 7.3 and support PHP 8.0.

Author: prwater

.scrutinizer.yml

@@ -1,13 +1,29 @@
+filter:
+  dependency_paths:
+    - "vendor/"
+  excluded_paths:
+    - 'test/'
+
 build:
   environment:
-    mysql: 5.7
+    php:
+      version: '7.4'
+      pecl_extensions:
+        - inotify
+
+  nodes:
+    analysis:
+      tests:
+        override:
+          - php-scrutinizer-run
 
-  tests:
-    before:
-      - export PLAISIO_CONFIG_DIR=test
-      - ./bin/phing kernel
-    override:
-      - command: './bin/phing unit'
-        coverage:
-          file:   'test/coverage.xml'
-          format: 'php-clover'
+    coverage:
+      tests:
+        before:
+          - export PLAISIO_CONFIG_DIR=test
+          - ./bin/phing kernel
+        override:
+          - command: './bin/phing unit'
+            coverage:
+              file:   'test/coverage.xml'
+              format: 'php-clover'

.travis.yml

@@ -1,7 +1,7 @@
 language: php
 php:
-  - '7.3'
   - '7.4'
+  - '8.0'
 
 sudo:     true
 

composer.json

@@ -7,7 +7,7 @@
   ],
   "license": "MIT",
   "require": {
-    "php": ">=7.3",
+    "php": ">=7.4",
     "plaisio/blob-store": "^1.2.0",
     "plaisio/company-resolver": "^2.0.0",
     "plaisio/kernel": "^3.1.1",

src/BlobBlobStore.php

@@ -17,14 +17,14 @@ class BlobBlobStore extends PlaisioObject implements BlobStore
    *
    * @var string
    */
-  public static $filePath = '/usr/bin/file';
+  public static string $filePath = '/usr/bin/file';
 
   /**
    * Directory for storing temporary files. If null sys_get_temp_dir() will be used.
    *
-   * @var ?string
+   * @var string|null
    */
-  public static $tmpDir = null;
+  public static ?string $tmpDir = null;
 
   //--------------------------------------------------------------------------------------------------------------------
   /**

test/BlobBlobStoreTestCase.php

@@ -17,7 +17,7 @@ class BlobBlobStoreTestCase extends TestCase
    *
    * @var PlaisioKernel
    */
-  protected $kernel;
+  protected PlaisioKernel $kernel;
 
   //--------------------------------------------------------------------------------------------------------------------
   /**