Conexión a la base de datos establecida correctamente.<br><br />
<b>Deprecated</b>:  Constant FILTER_SANITIZE_STRING is deprecated in <b>/var/www/vhosts/cursosonlinebonificados.com/httpdocs/catalogo/ratings_estrella/db.php</b> on line <b>20</b><br />
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<b>Deprecated</b>:  Constant FILTER_SANITIZE_STRING is deprecated in <b>/var/www/vhosts/cursosonlinebonificados.com/httpdocs/catalogo/ratings_estrella/db.php</b> on line <b>21</b><br />
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<b>Warning</b>:  Undefined variable $con in <b>/var/www/vhosts/cursosonlinebonificados.com/httpdocs/catalogo/ratings_estrella/db.php</b> on line <b>32</b><br />
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<b>Fatal error</b>:  Uncaught Error: Call to a member function prepare() on null in /var/www/vhosts/cursosonlinebonificados.com/httpdocs/catalogo/ratings_estrella/db.php:32
Stack trace:
#0 {main}
  thrown in <b>/var/www/vhosts/cursosonlinebonificados.com/httpdocs/catalogo/ratings_estrella/db.php</b> on line <b>32</b><br />