Fix: PHP 7.2 E_WARNING about sizeof()

README.md

@@ -49,4 +49,4 @@ You may now run it with the artisan migrate command:
 
     $ php artisan migrate --seed
 
-After running this command the filled countries table will be available
+After running this command the filled countries table will be available

src/Webpatser/Countries/Countries.php

@@ -40,7 +40,7 @@ public function __construct()
     protected function getCountries()
     {
         //Get the countries from the JSON file
-        if (sizeof($this->countries) == 0){
+        if (empty($this->countries)){
             $this->countries = json_decode(file_get_contents(__DIR__ . '/Models/countries.json'), true);
         }