Fatal error: Uncaught TypeError: Unsupported operand types: string - int in /var/www/html/App/Model/Blogs.php:8 Stack trace: #0 /var/www/html/App/Controller/Blog.php(11): Blogs->listagem() #1 /var/www/html/index.php(306): Blog->show() #2 {main} thrown in /var/www/html/App/Model/Blogs.php on line 8