2024-09-25 15:40:03 +00:00
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<?php
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2024-10-01 15:57:35 +00:00
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/** XSS - cross-site scripting (ochrana proti spuštění scriptu)
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* konvertuje speciální znaky na HTML
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* vložit ho do HTML jako < ?= htmlspecialchars($first_name);?> do values, p či h1 atd.
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* Notno ošetřit kde pomocí php zobrazuji data
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*
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*/
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2024-09-25 15:40:03 +00:00
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global $connection;
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2024-09-30 15:49:39 +00:00
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require "assets/database.php";
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2024-09-26 11:16:27 +00:00
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2024-10-01 15:57:35 +00:00
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/**....proměnné pro zapamatování hodnot formuláře.... */
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$first_name = null;
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$second_name = null;
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$age = null;
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$life = null;
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$college = null;
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2024-09-25 15:40:03 +00:00
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2024-09-30 15:49:39 +00:00
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if ($_SERVER ["REQUEST_METHOD"] === "POST") {
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2024-09-25 15:40:03 +00:00
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2024-10-01 15:57:35 +00:00
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/**....nastavení proměnných formuláře co si má pamatovat ( html část Value.... */
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$first_name = $_POST["first_name"];
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$second_name = $_POST["second_name"];
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$age = $_POST["age"];
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$life = $_POST["life"];
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$college = $_POST["college"];
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/**....vytvoření SQL dotazu pro vložení nového žáka + ochrana proti SQL injection.... */
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2024-09-25 15:40:03 +00:00
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$sgl = "INSERT INTO student (first_name, second_name, age, life, college)
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2024-09-26 07:08:30 +00:00
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VALUES (?, ?, ?, ?, ?)";
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2024-09-26 11:16:27 +00:00
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2024-09-30 15:49:39 +00:00
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$connection = connectionDB();
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2024-09-26 11:16:27 +00:00
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$statement = mysqli_prepare($connection, $sgl);
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if ($statement === false) {
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echo mysqli_error($connection);
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} else {
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2024-10-01 15:57:35 +00:00
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/**..ochrana SQL injecton pomocí types (jako integer či string..*/
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2024-09-26 11:16:27 +00:00
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mysqli_stmt_bind_param($statement, "ssiss", $_POST["first_name"], $_POST["second_name"], $_POST["age"], $_POST["life"], $_POST["college"]);
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2024-10-01 15:57:35 +00:00
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/**.. provedení SQL dotazu pro vložení žáka..*/
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2024-09-26 11:16:27 +00:00
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if (mysqli_stmt_execute($statement)) {
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$id = mysqli_insert_id($connection);
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2024-10-01 15:57:35 +00:00
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// echo "Úspěšně vložen žák s ID: $id";
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/**..Máš povolený https server? Pokud máš HTTPS nastavený a není vypnutý nastav header na HTTPS (!= nesmí být vypnutý)
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* else jinak nastav http:// na headeru
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* */
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if (isset($_SERVER["HTTPS"]) and $_SERVER["HTTPS"] != "off") {
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$url_protocol = "https";
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} else {
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$url_protocol = "http";
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}
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// localhost = $_SERVER["HTTP_HOST"];
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/**..po úspěšném vložení žáka přesměrujeme na stránku onoho žáka (relativní cesta) apsolutní by byla https://... ..*/
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// header("location: jeden-zak.php?id=$id");
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/**.. varianta apsolutní adresy kdy na webu nahradím localhost už jen adresou */
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header("location: $url_protocol://" . $_SERVER["HTTP_HOST"] . "/PHP_DS_Project/www2databaze/jeden-zak.php?id=$id");
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2024-09-26 11:16:27 +00:00
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} else {
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echo mysgli_stmt_error($statement);
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}
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}
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2024-09-25 15:40:03 +00:00
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}
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?>
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<!DOCTYPE html>
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<html lang="cs">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Document</title>
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</head>
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<body>
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<?php require "assets/header.php" ?>
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<main>
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<section class="add-form">
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2024-10-09 15:45:43 +00:00
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<?php require "assets/formular-zak.php"; ?>
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2024-09-25 15:40:03 +00:00
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</section>
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</main>
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<?php require "assets/footer.php" ?>
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</body>
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</html>
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