Untitled

<html>
<head>
<title> Zadanie 6.1 </title>
</head>
<body>

<?php
$servername = "localhost";
$username = "root";
$password = "";
$dbname = "studenci";

$conn = new mysqli($servername, $username, $password, $dbname);
if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
}


$sql = "SELECT idstudent, imie, nazwisko, grupa FROM student";
$result = $conn->query($sql);

echo "<table border='1'>";
echo '<tr>';
echo '<td> idstudent </td>';
echo '<td> imie </td>';
echo '<td> nazwisko </td>';
echo '<td> grupa </td>';

echo '</tr>';
if ($result->num_rows > 0) {
    while($row = $result->fetch_assoc()) {
		$id = $row['idstudent'];
        echo "<tr><td>" . $row["idstudent"]. " </td><td> " . $row["imie"]. " </td><td> " . $row["nazwisko"]. " </td><td> "
		.$row['grupa']. "</td>".'<td><a href="strona_usuwajaca_rekord.php?action=delete&id='.$id.'"><img src= cross.png width = 30px	height = 30px></img></td></tr>';
    }
} else {
    echo "0 results";
}

echo '</table>';


$conn->close();
?>
<fieldset>
<legend> Dodaj studenta </legend>
<form action ="dodawanie.php" method ="POST">
<input type="submit" value="dodaj studenta"><br>
</form>
</fieldset>
</body>
</html>
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<?php
$servername = "localhost";
$username = "root";
$password = "";
$dbname = "studenci";

$conn = new mysqli($servername, $username, $password, $dbname);
if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
}

if ($_GET['action']=='delete' && isset($_GET['id'])) {
    $id = (int) $_GET['id'];
	$zapytanie = "DELETE FROM student WHERE idstudent = {$id}";
    $conn->query($zapytanie);
	header("Location: form1.php");
}
$conn->close();
?>