Notice: Undefined variable: pdo in /var/www/html/chemicoweb/productosp.php on line 25
Fatal error: Uncaught Error: Call to a member function prepare() on null in /var/www/html/chemicoweb/productosp.php:25
Stack trace:
#0 {main}
thrown in /var/www/html/chemicoweb/productosp.php on line 25