diff --git a/composer.json b/composer.json
index 4e5631af098..ac4efe884a4 100644
--- a/composer.json
+++ b/composer.json
@@ -29,7 +29,7 @@
     "require-dev": {
         "doctrine/coding-standard": "^5.0",
         "jetbrains/phpstorm-stubs": "^2018.1.2",
-        "phpstan/phpstan": "^0.11.1",
+        "phpstan/phpstan": "^0.11.3",
         "phpunit/phpunit": "^8.0",
         "symfony/console": "^2.0.5|^3.0|^4.0",
         "symfony/phpunit-bridge": "^3.4.5|^4.0.5"
diff --git a/composer.lock b/composer.lock
index 6cbca943384..596f3097636 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "3bc5aa75b3af3332def5f89114986259",
+    "content-hash": "dc19a584f29861609d085123b65f3961",
     "packages": [
         {
             "name": "doctrine/cache",
@@ -158,16 +158,16 @@
     "packages-dev": [
         {
             "name": "composer/xdebug-handler",
-            "version": "1.3.1",
+            "version": "1.3.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/composer/xdebug-handler.git",
-                "reference": "dc523135366eb68f22268d069ea7749486458562"
+                "reference": "d17708133b6c276d6e42ef887a877866b909d892"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/composer/xdebug-handler/zipball/dc523135366eb68f22268d069ea7749486458562",
-                "reference": "dc523135366eb68f22268d069ea7749486458562",
+                "url": "https://api.github.com/repos/composer/xdebug-handler/zipball/d17708133b6c276d6e42ef887a877866b909d892",
+                "reference": "d17708133b6c276d6e42ef887a877866b909d892",
                 "shasum": ""
             },
             "require": {
@@ -198,7 +198,7 @@
                 "Xdebug",
                 "performance"
             ],
-            "time": "2018-11-29T10:59:02+00:00"
+            "time": "2019-01-28T20:25:53+00:00"
         },
         {
             "name": "dealerdirect/phpcodesniffer-composer-installer",
@@ -598,23 +598,23 @@
         },
         {
             "name": "nette/di",
-            "version": "v2.4.14",
+            "version": "v2.4.15",
             "source": {
                 "type": "git",
                 "url": "https://github.com/nette/di.git",
-                "reference": "923da3e2c0aa53162ef455472c0ac7787b096c5a"
+                "reference": "d0561b8f77e8ef2ed6d83328860e16c81a5a8649"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/nette/di/zipball/923da3e2c0aa53162ef455472c0ac7787b096c5a",
-                "reference": "923da3e2c0aa53162ef455472c0ac7787b096c5a",
+                "url": "https://api.github.com/repos/nette/di/zipball/d0561b8f77e8ef2ed6d83328860e16c81a5a8649",
+                "reference": "d0561b8f77e8ef2ed6d83328860e16c81a5a8649",
                 "shasum": ""
             },
             "require": {
                 "ext-tokenizer": "*",
                 "nette/neon": "^2.3.3 || ~3.0.0",
-                "nette/php-generator": "^2.6.1 || ~3.0.0",
-                "nette/utils": "^2.4.3 || ~3.0.0",
+                "nette/php-generator": "^2.6.1 || ^3.0.0",
+                "nette/utils": "^2.5.0 || ~3.0.0",
                 "php": ">=5.6.0"
             },
             "conflict": {
@@ -663,37 +663,37 @@
                 "nette",
                 "static"
             ],
-            "time": "2018-09-17T15:47:40+00:00"
+            "time": "2019-01-30T13:26:05+00:00"
         },
         {
             "name": "nette/finder",
-            "version": "v2.4.2",
+            "version": "v2.5.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/nette/finder.git",
-                "reference": "ee951a656cb8ac622e5dd33474a01fd2470505a0"
+                "reference": "6be1b83ea68ac558aff189d640abe242e0306fe2"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/nette/finder/zipball/ee951a656cb8ac622e5dd33474a01fd2470505a0",
-                "reference": "ee951a656cb8ac622e5dd33474a01fd2470505a0",
+                "url": "https://api.github.com/repos/nette/finder/zipball/6be1b83ea68ac558aff189d640abe242e0306fe2",
+                "reference": "6be1b83ea68ac558aff189d640abe242e0306fe2",
                 "shasum": ""
             },
             "require": {
-                "nette/utils": "~2.4",
-                "php": ">=5.6.0"
+                "nette/utils": "^2.4 || ~3.0.0",
+                "php": ">=7.1"
             },
             "conflict": {
                 "nette/nette": "<2.2"
             },
             "require-dev": {
-                "nette/tester": "~2.0",
+                "nette/tester": "^2.0",
                 "tracy/tracy": "^2.3"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.4-dev"
+                    "dev-master": "2.5-dev"
                 }
             },
             "autoload": {
@@ -725,35 +725,35 @@
                 "iterator",
                 "nette"
             ],
-            "time": "2018-06-28T11:49:23+00:00"
+            "time": "2019-02-28T18:13:25+00:00"
         },
         {
             "name": "nette/neon",
-            "version": "v2.4.3",
+            "version": "v3.0.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/nette/neon.git",
-                "reference": "5e72b1dd3e2d34f0863c5561139a19df6a1ef398"
+                "reference": "cbff32059cbdd8720deccf9e9eace6ee516f02eb"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/nette/neon/zipball/5e72b1dd3e2d34f0863c5561139a19df6a1ef398",
-                "reference": "5e72b1dd3e2d34f0863c5561139a19df6a1ef398",
+                "url": "https://api.github.com/repos/nette/neon/zipball/cbff32059cbdd8720deccf9e9eace6ee516f02eb",
+                "reference": "cbff32059cbdd8720deccf9e9eace6ee516f02eb",
                 "shasum": ""
             },
             "require": {
                 "ext-iconv": "*",
                 "ext-json": "*",
-                "php": ">=5.6.0"
+                "php": ">=7.0"
             },
             "require-dev": {
-                "nette/tester": "~2.0",
+                "nette/tester": "^2.0",
                 "tracy/tracy": "^2.3"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.4-dev"
+                    "dev-master": "3.0-dev"
                 }
             },
             "autoload": {
@@ -786,25 +786,25 @@
                 "nette",
                 "yaml"
             ],
-            "time": "2018-03-21T12:12:21+00:00"
+            "time": "2019-02-05T21:30:40+00:00"
         },
         {
             "name": "nette/php-generator",
-            "version": "v3.0.5",
+            "version": "v3.2.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/nette/php-generator.git",
-                "reference": "ea90209c2e8a7cd087b2742ca553c047a8df5eff"
+                "reference": "9de4e093a130f7a1bd175198799ebc0efbac6924"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/nette/php-generator/zipball/ea90209c2e8a7cd087b2742ca553c047a8df5eff",
-                "reference": "ea90209c2e8a7cd087b2742ca553c047a8df5eff",
+                "url": "https://api.github.com/repos/nette/php-generator/zipball/9de4e093a130f7a1bd175198799ebc0efbac6924",
+                "reference": "9de4e093a130f7a1bd175198799ebc0efbac6924",
                 "shasum": ""
             },
             "require": {
                 "nette/utils": "^2.4.2 || ~3.0.0",
-                "php": ">=7.0"
+                "php": ">=7.1"
             },
             "conflict": {
                 "nette/nette": "<2.2"
@@ -816,7 +816,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.0-dev"
+                    "dev-master": "3.2-dev"
                 }
             },
             "autoload": {
@@ -840,7 +840,7 @@
                     "homepage": "https://nette.org/contributors"
                 }
             ],
-            "description": "🐘 Nette PHP Generator: generates neat PHP code for you. Supports new PHP 7.2 features.",
+            "description": "🐘 Nette PHP Generator: generates neat PHP code for you. Supports new PHP 7.3 features.",
             "homepage": "https://nette.org",
             "keywords": [
                 "code",
@@ -848,20 +848,20 @@
                 "php",
                 "scaffolding"
             ],
-            "time": "2018-08-09T14:32:27+00:00"
+            "time": "2018-11-27T19:00:14+00:00"
         },
         {
             "name": "nette/robot-loader",
-            "version": "v3.1.0",
+            "version": "v3.1.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/nette/robot-loader.git",
-                "reference": "fc76c70e740b10f091e502b2e393d0be912f38d4"
+                "reference": "3e8d75d6d976e191bdf46752ca40a286671219d2"
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             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/nette/robot-loader/zipball/fc76c70e740b10f091e502b2e393d0be912f38d4",
-                "reference": "fc76c70e740b10f091e502b2e393d0be912f38d4",
+                "url": "https://api.github.com/repos/nette/robot-loader/zipball/3e8d75d6d976e191bdf46752ca40a286671219d2",
+                "reference": "3e8d75d6d976e191bdf46752ca40a286671219d2",
                 "shasum": ""
             },
             "require": {
@@ -913,7 +913,7 @@
                 "nette",
                 "trait"
             ],
-            "time": "2018-08-13T14:19:06+00:00"
+            "time": "2019-03-01T20:23:02+00:00"
         },
         {
             "name": "nette/utils",
@@ -999,16 +999,16 @@
         },
         {
             "name": "nikic/php-parser",
-            "version": "v4.2.0",
+            "version": "v4.2.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/nikic/PHP-Parser.git",
-                "reference": "594bcae1fc0bccd3993d2f0d61a018e26ac2865a"
+                "reference": "5221f49a608808c1e4d436df32884cbc1b821ac0"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/nikic/PHP-Parser/zipball/594bcae1fc0bccd3993d2f0d61a018e26ac2865a",
-                "reference": "594bcae1fc0bccd3993d2f0d61a018e26ac2865a",
+                "url": "https://api.github.com/repos/nikic/PHP-Parser/zipball/5221f49a608808c1e4d436df32884cbc1b821ac0",
+                "reference": "5221f49a608808c1e4d436df32884cbc1b821ac0",
                 "shasum": ""
             },
             "require": {
@@ -1046,20 +1046,20 @@
                 "parser",
                 "php"
             ],
-            "time": "2019-01-12T16:31:37+00:00"
+            "time": "2019-02-16T20:54:15+00:00"
         },
         {
             "name": "ocramius/package-versions",
-            "version": "1.3.0",
+            "version": "1.4.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/Ocramius/PackageVersions.git",
-                "reference": "4489d5002c49d55576fa0ba786f42dbb009be46f"
+                "reference": "a4d4b60d0e60da2487bd21a2c6ac089f85570dbb"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/Ocramius/PackageVersions/zipball/4489d5002c49d55576fa0ba786f42dbb009be46f",
-                "reference": "4489d5002c49d55576fa0ba786f42dbb009be46f",
+                "url": "https://api.github.com/repos/Ocramius/PackageVersions/zipball/a4d4b60d0e60da2487bd21a2c6ac089f85570dbb",
+                "reference": "a4d4b60d0e60da2487bd21a2c6ac089f85570dbb",
                 "shasum": ""
             },
             "require": {
@@ -1068,6 +1068,7 @@
             },
             "require-dev": {
                 "composer/composer": "^1.6.3",
+                "doctrine/coding-standard": "^5.0.1",
                 "ext-zip": "*",
                 "infection/infection": "^0.7.1",
                 "phpunit/phpunit": "^7.0.0"
@@ -1095,7 +1096,7 @@
                 }
             ],
             "description": "Composer plugin that provides efficient querying for installed package versions (no runtime IO)",
-            "time": "2018-02-05T13:05:30+00:00"
+            "time": "2019-02-21T12:16:21+00:00"
         },
         {
             "name": "phar-io/manifest",
@@ -1462,16 +1463,16 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "0.11.1",
+            "version": "0.11.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "a138b8a2731b2c19f1dffa2f1411984a638fe977"
+                "reference": "e4644b4a8fd393c346f1137305fb2f76a7dc20a7"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/a138b8a2731b2c19f1dffa2f1411984a638fe977",
-                "reference": "a138b8a2731b2c19f1dffa2f1411984a638fe977",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/e4644b4a8fd393c346f1137305fb2f76a7dc20a7",
+                "reference": "e4644b4a8fd393c346f1137305fb2f76a7dc20a7",
                 "shasum": ""
             },
             "require": {
@@ -1531,7 +1532,7 @@
                 "MIT"
             ],
             "description": "PHPStan - PHP Static Analysis Tool",
-            "time": "2019-01-19T20:23:08+00:00"
+            "time": "2019-03-10T16:25:30+00:00"
         },
         {
             "name": "phpunit/php-code-coverage",
@@ -2575,16 +2576,16 @@
         },
         {
             "name": "symfony/console",
-            "version": "v4.2.2",
+            "version": "v4.2.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/console.git",
-                "reference": "b0a03c1bb0fcbe288629956cf2f1dd3f1dc97522"
+                "reference": "9dc2299a016497f9ee620be94524e6c0af0280a9"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/console/zipball/b0a03c1bb0fcbe288629956cf2f1dd3f1dc97522",
-                "reference": "b0a03c1bb0fcbe288629956cf2f1dd3f1dc97522",
+                "url": "https://api.github.com/repos/symfony/console/zipball/9dc2299a016497f9ee620be94524e6c0af0280a9",
+                "reference": "9dc2299a016497f9ee620be94524e6c0af0280a9",
                 "shasum": ""
             },
             "require": {
@@ -2596,6 +2597,9 @@
                 "symfony/dependency-injection": "<3.4",
                 "symfony/process": "<3.3"
             },
+            "provide": {
+                "psr/log-implementation": "1.0"
+            },
             "require-dev": {
                 "psr/log": "~1.0",
                 "symfony/config": "~3.4|~4.0",
@@ -2605,7 +2609,7 @@
                 "symfony/process": "~3.4|~4.0"
             },
             "suggest": {
-                "psr/log-implementation": "For using the console logger",
+                "psr/log": "For using the console logger",
                 "symfony/event-dispatcher": "",
                 "symfony/lock": "",
                 "symfony/process": ""
@@ -2640,7 +2644,7 @@
             ],
             "description": "Symfony Console Component",
             "homepage": "https://symfony.com",
-            "time": "2019-01-04T15:13:53+00:00"
+            "time": "2019-02-23T15:17:42+00:00"
         },
         {
             "name": "symfony/contracts",
@@ -2768,16 +2772,16 @@
         },
         {
             "name": "symfony/finder",
-            "version": "v4.2.2",
+            "version": "v4.2.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/finder.git",
-                "reference": "9094d69e8c6ee3fe186a0ec5a4f1401e506071ce"
+                "reference": "267b7002c1b70ea80db0833c3afe05f0fbde580a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/finder/zipball/9094d69e8c6ee3fe186a0ec5a4f1401e506071ce",
-                "reference": "9094d69e8c6ee3fe186a0ec5a4f1401e506071ce",
+                "url": "https://api.github.com/repos/symfony/finder/zipball/267b7002c1b70ea80db0833c3afe05f0fbde580a",
+                "reference": "267b7002c1b70ea80db0833c3afe05f0fbde580a",
                 "shasum": ""
             },
             "require": {
@@ -2813,7 +2817,7 @@
             ],
             "description": "Symfony Finder Component",
             "homepage": "https://symfony.com",
-            "time": "2019-01-03T09:07:35+00:00"
+            "time": "2019-02-23T15:42:05+00:00"
         },
         {
             "name": "symfony/phpunit-bridge",
diff --git a/lib/Doctrine/DBAL/Driver/SQLAnywhere/SQLAnywhereException.php b/lib/Doctrine/DBAL/Driver/SQLAnywhere/SQLAnywhereException.php
index 9f8aac0608d..c818e28d0b6 100644
--- a/lib/Doctrine/DBAL/Driver/SQLAnywhere/SQLAnywhereException.php
+++ b/lib/Doctrine/DBAL/Driver/SQLAnywhere/SQLAnywhereException.php
@@ -28,14 +28,6 @@ class SQLAnywhereException extends AbstractDriverException
      */
     public static function fromSQLAnywhereError($conn = null, $stmt = null)
     {
-        if ($conn !== null && ! is_resource($conn)) {
-            throw new InvalidArgumentException('Invalid SQL Anywhere connection resource given: ' . $conn);
-        }
-
-        if ($stmt !== null && ! is_resource($stmt)) {
-            throw new InvalidArgumentException('Invalid SQL Anywhere statement resource given: ' . $stmt);
-        }
-
         $state   = $conn ? sasql_sqlstate($conn) : sasql_sqlstate();
         $code    = null;
         $message = null;
diff --git a/lib/Doctrine/DBAL/Event/SchemaDropTableEventArgs.php b/lib/Doctrine/DBAL/Event/SchemaDropTableEventArgs.php
index 900b9fbfd71..8ee2fd91156 100644
--- a/lib/Doctrine/DBAL/Event/SchemaDropTableEventArgs.php
+++ b/lib/Doctrine/DBAL/Event/SchemaDropTableEventArgs.php
@@ -28,10 +28,6 @@ class SchemaDropTableEventArgs extends SchemaEventArgs
      */
     public function __construct($table, AbstractPlatform $platform)
     {
-        if (! $table instanceof Table && ! is_string($table)) {
-            throw new InvalidArgumentException('SchemaDropTableEventArgs expects $table parameter to be string or \Doctrine\DBAL\Schema\Table.');
-        }
-
         $this->table    = $table;
         $this->platform = $platform;
     }
diff --git a/lib/Doctrine/DBAL/Platforms/DrizzlePlatform.php b/lib/Doctrine/DBAL/Platforms/DrizzlePlatform.php
index ae25e28ee30..8f6f0966323 100644
--- a/lib/Doctrine/DBAL/Platforms/DrizzlePlatform.php
+++ b/lib/Doctrine/DBAL/Platforms/DrizzlePlatform.php
@@ -576,7 +576,7 @@ public function convertBooleans($item)
     {
         if (is_array($item)) {
             foreach ($item as $key => $value) {
-                if (! is_bool($value) && ! is_numeric($item)) {
+                if (! is_bool($value) && ! is_numeric($value)) {
                     continue;
                 }
 
diff --git a/lib/Doctrine/DBAL/Platforms/SQLServerPlatform.php b/lib/Doctrine/DBAL/Platforms/SQLServerPlatform.php
index 616faf6664a..01417d7e292 100644
--- a/lib/Doctrine/DBAL/Platforms/SQLServerPlatform.php
+++ b/lib/Doctrine/DBAL/Platforms/SQLServerPlatform.php
@@ -1399,7 +1399,7 @@ public function convertBooleans($item)
     {
         if (is_array($item)) {
             foreach ($item as $key => $value) {
-                if (! is_bool($value) && ! is_numeric($item)) {
+                if (! is_bool($value) && ! is_numeric($value)) {
                     continue;
                 }
 
diff --git a/lib/Doctrine/DBAL/Schema/AbstractSchemaManager.php b/lib/Doctrine/DBAL/Schema/AbstractSchemaManager.php
index eea98c09be4..604962a7164 100644
--- a/lib/Doctrine/DBAL/Schema/AbstractSchemaManager.php
+++ b/lib/Doctrine/DBAL/Schema/AbstractSchemaManager.php
@@ -928,7 +928,7 @@ protected function _getPortableTableDefinition($table)
     /**
      * @param mixed[][] $users
      *
-     * @return string[][]
+     * @return mixed[][]
      */
     protected function _getPortableUsersList($users)
     {