or
die('brak połączenia');
$dod=mysqli_query($db, "INSERT INTO wycieczki SET Nazwa='$nazwa', Nazwa2='$nazwa2'");
$mod=mysqli_query($db, "UPDATE wycieczki SET Nazwa='$nazwa' WHERE Lp='$lp'");
$metoda = $_POST['metoda'];
if(!empty($_POST['szukaj'])){
$szukaj = $_POST['szukaj'];
$wyrazenie = "SELECT * FROM wycieczki where ".$metoda." like '%".$szukaj."%'";
$polaczenie = new mysqli ('localhost','root', '', 'testowo'); //hob
if ($polaczenie->connect_error) {die('Connection failed:'.$polaczenie->connect_error);}
$wynik = $polaczenie->query($zapytanie);
$ile_znalezionych = $wynik -> num_rows;
petla ->$wiersz = $wynik->fetch_row(); echo $wiersz[0].' '.$wiersz[1].' '.$wiersz[2].'<br>';
try{tu piszesz program} catch (PDOException $błąd){echo 'coś poszło nie tak: ' .$błąd->getMessage();}
$pdo = new PDO("mysql:host=$servername;dbname=testowo",$username, $password); //PDO
foreach($pdo->query($zapytanie) as $wiersz) {echo $wiersz['imie'],' ',$wiersz['nazwisko'],'<br/>';}
$pdo->exec($dod/$mod); $pdo=null;"
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