Drop support for PHP 7.0 and lower

Author: ben221199

.travis.yml

@@ -1,8 +1,6 @@
 language: php
 
 php:
-  - 5.6
-  - 7.0
   - 7.1
   - 7.2
   - 7.3

composer.json

@@ -12,7 +12,7 @@
         "irc": "irc://irc.irchighway.net/fooldriver"
     },
     "require": {
-        "php": "^5.6 || ^7.0"
+        "php": "^5.6 || ^7 || ^8"
     },
     "require-dev": {
         "phpunit/phpunit": "^5 || ^6 || ^7 || ^8 || ^9"

tests/SphinxQL/ConnectionTest.php

@@ -11,13 +11,13 @@ class ConnectionTest extends \PHPUnit\Framework\TestCase
      */
     private $connection = null;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->connection = TestUtil::getConnectionDriver();
         $this->connection->setParams(array('host' => '127.0.0.1', 'port' => 9307));
     }
 
-    protected function tearDown()
+    protected function tearDown(): void
     {
         $this->connection = null;
     }

tests/SphinxQL/HelperTest.php

@@ -12,7 +12,7 @@ class HelperTest extends \PHPUnit\Framework\TestCase
      */
     public $conn;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $conn = TestUtil::getConnectionDriver();
         $conn->setParam('port', 9307);