Introduce static analysis + Fixes

Author: szepeviktor

composer.json

@@ -25,7 +25,10 @@
     "phpunit/phpunit": "5.7 || 6.0 || 7.0 || 7.5 || 8.4",
     "mockery/mockery": "^1.1.0",
     "friendsofphp/php-cs-fixer": "^2.16.0",
-    "overtrue/phplint": "^1.1"
+    "overtrue/phplint": "^1.1",
+    "nunomaduro/larastan": "^0.4.3",
+    "phpstan/phpstan-shim": "^0.11.19",
+    "orchestra/testbench": "^4.3"
   },
   "autoload": {
     "psr-4": {

src/Config/AbstractConfig.php

@@ -47,7 +47,7 @@ abstract public function clearTimestampString();
     /**
      * Returns the schedule config array.
      *
-     * @return array<enable,cron>
+     * @return array{enable: bool, cron: string}
      */
     abstract public function scheduleConfig();
 

src/Config/FileConfig.php

@@ -61,7 +61,7 @@ public function clearTimestampString()
     /**
      * Returns the shedule config array.
      *
-     * @return array<enable,cron>
+     * @return array{enable: bool, cron: string}
      */
     public function scheduleConfig()
     {

src/Handler/SingleUploadHandler.php

@@ -17,7 +17,6 @@ class SingleUploadHandler extends AbstractHandler
      * Returns the chunks ave instance for saving.
      *
      * @param ChunkStorage   $chunkStorage the chunk storage
-     * @param AbstractConfig $config       the config manager
      *
      * @return SingleSave
      */

src/Receiver/FileReceiver.php

@@ -97,6 +97,6 @@ public function receive()
             return false;
         }
 
-        return $this->handler->startSaving($this->chunkStorage, $this->config);
+        return $this->handler->startSaving($this->chunkStorage);
     }
 }

src/Save/AbstractSave.php

@@ -105,8 +105,8 @@ public function getUploadedFile()
     /**
      * Passes all the function into the file.
      *
-     * @param $name      string
-     * @param $arguments array
+     * @param string $name
+     * @param array  $arguments
      *
      * @return mixed
      *

src/Storage/ChunkStorage.php

@@ -32,7 +32,7 @@ public static function storage()
     /**
      * The disk that holds the chunk files.
      *
-     * @var FilesystemAdapter
+     * @var \Illuminate\Filesystem\FilesystemAdapter
      */
     protected $disk;
 
@@ -172,7 +172,7 @@ public function config()
     }
 
     /**
-     * @return FilesystemAdapter
+     * @return \Illuminate\Filesystem\FilesystemAdapter
      */
     public function disk()
     {