Drop PHP 5.6 + 7.0 (#257)

* Drop PHP 5.6 + 7.0

* Remove `syntaxCheck`

* Add void

Author: ruudk

Tests/AbstractSessionHandlerTest.php

@@ -11,12 +11,14 @@
 
 namespace Cache\SessionHandler\Tests;
 
+use PHPUnit\Framework\TestCase;
+
 /**
  * @author Aaron Scherer <[email protected]>
  * @author Tobias Nyholm <[email protected]>
  * @author Daniel Bannert <[email protected]>
  */
-abstract class AbstractSessionHandlerTest extends \PHPUnit_Framework_TestCase
+abstract class AbstractSessionHandlerTest extends TestCase
 {
     const TTL    = 100;
     const PREFIX = 'pre';

Tests/Psr16SessionHandlerTest.php

@@ -25,7 +25,7 @@ class Psr16SessionHandlerTest extends AbstractSessionHandlerTest
      */
     private $psr16;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         parent::setUp();
 

Tests/Psr6SessionHandlerTest.php

@@ -28,7 +28,7 @@ class Psr6SessionHandlerTest extends AbstractSessionHandlerTest
      */
     private $psr6;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         parent::setUp();
 

composer.json

@@ -27,13 +27,13 @@
     ],
     "homepage": "http://www.php-cache.com/en/latest/",
     "require": {
-        "php": "^5.6 || ^7.0 || ^8.0",
+        "php": "^7.1 || ^8.0",
         "psr/cache": "^1.0 || ^2.0",
         "symfony/polyfill-php70": "^1.6"
     },
     "require-dev": {
         "cache/array-adapter": "^1.0",
-        "phpunit/phpunit": "^5.7.21"
+        "phpunit/phpunit": "^7.5.20 || ^9.5.10"
     },
     "minimum-stability": "dev",
     "prefer-stable": true,

phpunit.xml.dist

@@ -8,7 +8,6 @@
   convertWarningsToExceptions="true"
   processIsolation="false"
   stopOnFailure="false"
-  syntaxCheck="false"
   bootstrap="vendor/autoload.php"
   >
   <testsuites>