'mysql', 'database_name' => '32887222_5ff13557', 'server' => '127.0.0.1', 'username' => '32887222_5ff13557', 'password' => '8mhqV9Rh', 'charset' => 'utf8' ] ); $results = $mdb -> select( 'materac_category', 'id_category' ); if ( $results ) { echo '['; foreach ( $results as $row ) { echo $row; if ( $row != end ( $results ) ) echo ','; } echo ']'; }