Você procurou por: getcode (Inglês - Russo)

exception::getcode
exception::__clone

use exception::getcode() to access it.
use exception::getcode() to access it.

echo $err -> getcode (); //outputs:"28000"
$dbh -> query ( "selectwrongcolumnfromwrongtable" );

if( $e -> getcode ()=== tokyotyrant :: tte_keep ){
die( 'connectionfailed:' . $e -> getmessage ());

Чтобы его получить, используйте exception::getcode() .
use exception::getcode() to access it.

throw new mydatabaseexception ( $exception -> getmessage (),(int) $exception -> getcode ());
echo 'Подключениенеудалось:' . $e -> getmessage ();