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116 vytváření update záka

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kankys 2024-10-08 18:09:03 +02:00
parent f7c7b7ec63
commit 262afa0716
4 changed files with 39 additions and 14 deletions
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11
www/assets/componets/header.php
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@ -1,8 +1,9 @@
<header> <header>
<ul> <nav><ul>
<li><a href="">molestie honestatis error</a> </li> <li><a href="index.php">Úvodní strana</a> </li>
<li><a href="">tempus ex petentium</a> </li> <li><a href="zaci.php">Seznam žáků</a> </li>
<li><a href="">est cursus dictas</a> </li> <li><a href="pridat-zaka.php">Přidat žáka</a> </li>
</ul> </ul></nav>
</header> </header>

6
www2databaze/assets/header.php
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@ -1,3 +1,7 @@
<header> <header>
<h1>Hlavička</h1> <nav><ul>
<li><a href="index.php">Úvodní strana</a> </li>
<li><a href="zaci.php">Seznam žáků</a> </li>
<li><a href="pridat-zaka.php">Přidat žáka</a> </li>
</ul></nav>
</header> </header>

26
www2databaze/assets/zak.php Normal file
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@ -0,0 +1,26 @@
<?php
/**
* Získá jednoho žáka z databáze podle id
*
* @param object $connection - připojení k databázi
* @param integer $id - id žáka
*
* @return mixed asociativní pole, které obsahuje informace o jednom konkrétním žákovi nebo vrátí null, pokud žák nebyl nalezen
*
*/
function getStudent($connection, $id){
$sql = "SELECT * FROM student WHERE id = ?";
$stmt = mysqli_prepare($connection, $sql);
if ($stmt === false) {
echo mysqli_error($connection);
} else {
mysqli_stmt_bind_param($stmt, "i", $id);
if (mysqli_stmt_execute($stmt)) {
$result = mysqli_stmt_get_result($stmt);
return mysqli_fetch_array($result, MYSQLI_ASSOC);
}
}
}

10
www2databaze/jeden-zak.php
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@ -2,18 +2,12 @@
global $connection; global $connection;
require "assets/database.php"; require "assets/database.php";
require "assets/zak.php";
$connection = connectionDB(); $connection = connectionDB();
if (isset($_GET["id"]) and is_numeric($_GET["id"])) { if (isset($_GET["id"]) and is_numeric($_GET["id"])) {
$sql = "SELECT * FROM student WHERE id = ". $_GET["id"]; $students = getStudent($connection, $_GET["id"]);
$result = mysqli_query($connection, $sql);
if ($result === false) {
echo mysgli_error($connection);
} else {
$students = mysqli_fetch_assoc($result);
}
} }