Fatal error: Uncaught Error: Call to undefined function mysqli_connect() in /var/www/html/esi/belem/conexao/conexao.php:6 Stack trace: #0 /var/www/html/esi/belem/index.php(4): include_once() #1 {main} thrown in /var/www/html/esi/belem/conexao/conexao.php on line 6