Improve arrays type hints

tests/Doctrine/Tests/DBAL/ConnectionTest.php

@@ -31,7 +31,7 @@ class ConnectionTest extends \Doctrine\Tests\DbalTestCase
     protected $_conn = null;
 
     /**
-     * @var array
+     * @var string[]
      */
     protected $params = array(
         'driver' => 'pdo_mysql',

tests/Doctrine/Tests/DBAL/Functional/ResultCacheTest.php

@@ -11,7 +11,7 @@ use Doctrine\DBAL\FetchMode;
 class ResultCacheTest extends \Doctrine\Tests\DbalFunctionalTestCase
 {
     /**
-     * @var Type
+     * @var int[][]|string[][]
      */
     private $expectedResult = array(array('test_int' => 100, 'test_string' => 'foo'), array('test_int' => 200, 'test_string' => 'bar'), array('test_int' => 300, 'test_string' => 'baz'));
 

tests/Doctrine/Tests/DbalPerformanceTestListener.php

@@ -10,7 +10,7 @@ namespace Doctrine\Tests;
 class DbalPerformanceTestListener extends \PHPUnit\Framework\BaseTestListener
 {
     /**
-     * @var array
+     * @var string[][]
      */
     private $timings = [];
 

tests/Doctrine/Tests/Mocks/ConnectionMock.php

@@ -20,7 +20,7 @@ class ConnectionMock extends \Doctrine\DBAL\Connection
     private $_lastInsertId = 0;
 
     /**
-     * @var array
+     * @var string[][]
      */
     private $_inserts = array();