php2,4

-- 2 i 4 --
<form action="" method="POST">
    <input name="imie" placeholder="imie"/>
    <input type="submit" value="Wyslij">
</form>


  <?php
    if($_POST != null) {
        $imie = $_POST["imie"];

        $servername = "localhost";
        $username = "root";
        $password = "";
        $dbname = "studenci";

        // Create connection
        $conn = new mysqli($servername, $username, $password, $dbname);
        // Check connection
        if ($conn->connect_error) {
            die("Connection failed: " . $conn->connect_error);
        }
        $sql = "SELECT id, imie, nazwisko FROM student where imie = '$imie'";
        $result = $conn->query($sql);

        if ($result->num_rows > 0) {
            while($row = $result->fetch_assoc()) {
                echo "id: " . $row["id"]. " - Imie i nazwisko: " . $row["imie"]. " " . $row["nazwisko"]. "<br>";
            }
        } else {
            echo "0 wynikow";
        }
        $conn->close();

    }
  ?>