mirror of
https://github.com/janunger/rheinwerk-video-training.git
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Initiale Version
This commit is contained in:
Jan Unger
26
Kapitel_5/Lektion_5/warenkorb/_applikation.php
Executable file
26
Kapitel_5/Lektion_5/warenkorb/_applikation.php
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<?php
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session_start();
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if (!isset($_SESSION['warenkorb'])) {
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$_SESSION['warenkorb'] = [];
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}
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function holeSortiment()
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{
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return [
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1 => 'Moderne Webseiten entwickeln',
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2 => 'PHP 7 und MySQL - Das umfassende Handbuch',
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3 => 'Der große Fotokurs - Richtig fotografieren lernen'
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];
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}
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function zaehleWarenkorb()
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{
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$ergebnis = 0;
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foreach ($_SESSION['warenkorb'] as $artikelId => $anzahl) {
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$ergebnis += $anzahl;
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}
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return $ergebnis;
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}
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46
Kapitel_5/Lektion_5/warenkorb/index.php
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Kapitel_5/Lektion_5/warenkorb/index.php
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<?php
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require __DIR__ . '/_applikation.php';
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if (isset($_GET['hinzufuegen'])) {
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$artikelId = $_GET['hinzufuegen'];
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if (!isset($_SESSION['warenkorb'][$artikelId])) {
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$_SESSION['warenkorb'][$artikelId] = 0;
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}
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$_SESSION['warenkorb'][$artikelId]++;
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header('Location: index.php');
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exit;
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}
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?>
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>Artikelliste</title>
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</head>
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<body>
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<p>
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<?php if (zaehleWarenkorb() == 0): ?>
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Ihr Warenkorb ist leer.
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<?php else: ?>
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Ihr Warenkorb enthält <?= htmlspecialchars(zaehleWarenkorb()); ?> Artikel.
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<?php endif; ?>
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- <a href="warenkorb.php">Warenkorb anzeigen</a>
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</p>
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<h1>Unser Angebot</h1>
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<table>
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<?php foreach (holeSortiment() as $artikelId => $artikel) : ?>
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<tr>
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<td><?= htmlspecialchars($artikel); ?></td>
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<td><a href="index.php?hinzufuegen=<?= htmlspecialchars($artikelId); ?>">In den Warenkorb</a></td>
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</tr>
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<?php endforeach; ?>
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</table>
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</body>
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</html>
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39
Kapitel_5/Lektion_5/warenkorb/warenkorb.php
Executable file
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Kapitel_5/Lektion_5/warenkorb/warenkorb.php
Executable file
@@ -0,0 +1,39 @@
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<?php
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require __DIR__ . '/_applikation.php';
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?>
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>Warenkorb</title>
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</head>
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<body>
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<h1>Ihr Warenkorb</h1>
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<form action="warenkorb.php" method="post">
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<table>
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<tr>
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<th>Bezeichnung</th>
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<th>Anzahl</th>
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</tr>
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<tr>
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<td>Moderne Webseiten entwickeln</td>
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<td>
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<input type="text"
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name="artikel[1]"
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value="1"/>
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</td>
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</tr>
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</table>
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<p>
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<button type="submit" name="aktualisieren">Aktualisieren</button>
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</p>
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</form>
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<p><a href="index.php">Zur Produktauswahl</a></p>
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</body>
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</html>
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26
Kapitel_5/Lektion_5/warenkorb_loesung/_applikation.php
Executable file
26
Kapitel_5/Lektion_5/warenkorb_loesung/_applikation.php
Executable file
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<?php
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session_start();
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if (!isset($_SESSION['warenkorb'])) {
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$_SESSION['warenkorb'] = [];
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}
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function holeSortiment()
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{
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return [
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1 => 'Moderne Webseiten entwickeln',
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2 => 'PHP 7 und MySQL - Das umfassende Handbuch',
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3 => 'Der große Fotokurs - Richtig fotografieren lernen'
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];
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}
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function zaehleWarenkorb()
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{
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$ergebnis = 0;
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foreach ($_SESSION['warenkorb'] as $artikelId => $anzahl) {
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$ergebnis += $anzahl;
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}
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return $ergebnis;
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}
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46
Kapitel_5/Lektion_5/warenkorb_loesung/index.php
Executable file
46
Kapitel_5/Lektion_5/warenkorb_loesung/index.php
Executable file
@@ -0,0 +1,46 @@
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<?php
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require __DIR__ . '/_applikation.php';
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if (isset($_GET['hinzufuegen'])) {
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$artikelId = $_GET['hinzufuegen'];
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if (!isset($_SESSION['warenkorb'][$artikelId])) {
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$_SESSION['warenkorb'][$artikelId] = 0;
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}
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$_SESSION['warenkorb'][$artikelId]++;
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header('Location: index.php');
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exit;
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}
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?>
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>Artikelliste</title>
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</head>
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<body>
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<p>
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<?php if (zaehleWarenkorb() == 0): ?>
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Ihr Warenkorb ist leer.
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<?php else: ?>
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Ihr Warenkorb enthält <?= htmlspecialchars(zaehleWarenkorb()); ?> Artikel.
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<?php endif; ?>
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- <a href="warenkorb.php">Warenkorb anzeigen</a>
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</p>
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<h1>Unser Angebot</h1>
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<table>
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<?php foreach (holeSortiment() as $artikelId => $artikel) : ?>
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<tr>
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<td><?= htmlspecialchars($artikel); ?></td>
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<td><a href="index.php?hinzufuegen=<?= htmlspecialchars($artikelId); ?>">In den Warenkorb</a></td>
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</tr>
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<?php endforeach; ?>
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</table>
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</body>
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</html>
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56
Kapitel_5/Lektion_5/warenkorb_loesung/warenkorb.php
Executable file
56
Kapitel_5/Lektion_5/warenkorb_loesung/warenkorb.php
Executable file
@@ -0,0 +1,56 @@
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<?php
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require __DIR__ . '/_applikation.php';
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$sortiment = holeSortiment();
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if (isset($_POST['aktualisieren'])) {
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foreach ($_POST['artikel'] as $artikelId => $anzahl) {
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if ($anzahl == 0) {
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unset($_SESSION['warenkorb'][$artikelId]);
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} else {
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$_SESSION['warenkorb'][$artikelId] = $anzahl;
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}
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}
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header('Location: warenkorb.php');
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exit;
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}
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?>
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>Warenkorb</title>
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</head>
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<body>
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<h1>Ihr Warenkorb</h1>
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<form action="warenkorb.php" method="post">
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<table>
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<tr>
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<th>Bezeichnung</th>
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<th>Anzahl</th>
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</tr>
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<?php foreach ($_SESSION['warenkorb'] as $artikelId => $anzahl) : ?>
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<tr>
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<td><?= htmlspecialchars($sortiment[$artikelId]); ?></td>
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<td>
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<input type="text"
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name="artikel[<?= htmlspecialchars($artikelId); ?>]"
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value="<?= htmlspecialchars($anzahl); ?>"/>
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</td>
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</tr>
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<?php endforeach; ?>
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</table>
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<p>
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<button type="submit" name="aktualisieren">Aktualisieren</button>
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</p>
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</form>
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<p><a href="index.php">Zur Produktauswahl</a></p>
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</body>
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</html>
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