Update of exercises
Thomas Smits
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84f5411563
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# Filmdatenbank mit PHP
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📆 **Fällig: 10.12.2023** 📆
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📆 **Fällig: 10.12.2023** 📆 [Musterlösung](solution/)
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Ziel dieser Übung ist es, die Filmdatenbank aus der letzten Übung in einer reinen PHP-Variante zu erstellen. Dies bedeutet, dass kein clientseitiges Skripting zum Einsatz kommt, sondern nur HTML, CSS und PHP. Auf JavaScript sollen Sie bewusst verzichten, um später die beiden Optionen vergleichen zu können.
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@ -0,0 +1,34 @@
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<?php
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class Film {
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public string $titel;
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public string $regisseur;
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public int $produktionsjahr;
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public int $laufzeit;
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public int $altersfreigabe;
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function __construct(string $titel, string $regisseur,
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int $produktionsjahr, int $laufzeit, int $altersfreigabe) {
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$this->altersfreigabe = $altersfreigabe;
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$this->laufzeit = $laufzeit;
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$this->produktionsjahr = $produktionsjahr;
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$this->regisseur = $regisseur;
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$this->titel = $titel;
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}
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/**
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* @param $other Film
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* @return bool
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*/
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function equals(Film $other) : bool {
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if (gettype($other) != gettype($this)) {
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return false;
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}
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return $other->titel == $this->titel
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&& $other->regisseur == $this->regisseur
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&& $other->produktionsjahr == $this->produktionsjahr
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&& $other->laufzeit == $this->laufzeit
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&& $other->altersfreigabe == $this->altersfreigabe;
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}
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}
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@ -0,0 +1,164 @@
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<?php
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require_once("Film.php");
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session_start();
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if (isset($_REQUEST["reset"])) {
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unset($_SESSION["filme"]);
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unset($_SESSION["sort"]);
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}
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$lieblingsfilme = $_SESSION["filme"];
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if (!isset($lieblingsfilme)) {
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$lieblingsfilme = [
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new Film("Pulp Fiction", "Quentin Tarantino", 1994, 148, 16),
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new Film("Inglourious Basterds", "Quentin Tarantino", 2009, 148, 16),
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new Film("Reservoir Dogs", "Quentin Tarantino", 1992, 100, 18),
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new Film("Blade Runner", "Ridley Scott", 1982, 117, 16) ];
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$_SESSION["filme"] = $lieblingsfilme;
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}
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if (isset($_REQUEST["delete"])) {
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$index = $_REQUEST["delete"];
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array_splice($lieblingsfilme, $index, 1);
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$_SESSION["filme"] = $lieblingsfilme;
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}
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elseif (isset($_REQUEST["save"])) {
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$film = new Film(
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$_REQUEST["titel"],
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$_REQUEST["regisseur"],
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(int) $_REQUEST["jahr"],
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(int) $_REQUEST["spielzeit"],
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(int) $_REQUEST["fsk"]);
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$lieblingsfilme[] = $film;
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$_SESSION["filme"] = $lieblingsfilme;
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}
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elseif (isset($_REQUEST["sort"])) {
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$kriterium = $_REQUEST["sort"];
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$_SESSION["sort"] = $kriterium;
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}
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if (!isset($kriterium)) {
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$kriterium = $_SESSION["sort"];
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if (!isset($kriterium)) {
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$kriterium = "titel";
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$_SESSION["sort"] = $kriterium;
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}
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}
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uasort($lieblingsfilme, 'cmp');
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$_SESSION["filme"] = $lieblingsfilme;
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function cmp($a, $b) {
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global $kriterium;
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if ($a->equals($b)) {
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return 0;
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}
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if ($kriterium == 'titel') {
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return $a->titel > $b->titel ? 1 : -1;
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}
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elseif ($kriterium == 'regisseur') {
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return $a->regisseur > $b->regisseur ? 1 : -1;
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}
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elseif ($kriterium == 'jahr') {
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return $a->produktionsjahr > $b->produktionsjahr ? 1 : -1;
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}
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elseif ($kriterium == 'spielzeit') {
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return $a->laufzeit > $b->laufzeit ? 1 : -1;
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}
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elseif ($kriterium == 'fsk') {
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return $a->altersfreigabe > $b->altersfreigabe ? 1 : -1;
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}
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}
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function showTable($filme) {
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print('<table id="filmtable">' . "\n");
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print('<tr>' . "\n");
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print('<th>#</th>' . "\n");
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print('<th><button name="sort" value="titel">Titel</button></th>' . "\n");
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print('<th><button name="sort" value="regisseur">Regisseur</button></th>' . "\n");
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print('<th><button name="sort" value="jahr">Jahr</button></th>' . "\n");
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print('<th><button name="sort" value="spielzeit">Spielzeit</button></th>' . "\n");
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print('<th><button name="sort" value="fsk">FSK</button></th>' . "\n");
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print('<th> </th>' . "\n");
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print('</tr>' . "\n");
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$i = 0;
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foreach ($filme as $film) {
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$count = $i + 1;
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print("<tr><td>$count</td>" . "\n");
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print("<td>$film->titel</td>" . "\n");
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print("<td>$film->regisseur</td>" . "\n");
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print("<td>$film->produktionsjahr</td>" . "\n");
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print("<td>$film->laufzeit</td>" . "\n");
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print("<td>$film->altersfreigabe</td>" . "\n");
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print("<td><button name='delete' value='$i'>Löschen</button></td>" . "\n");
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print("</tr>");
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$i++;
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}
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print('</table>');
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}
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?>
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<!DOCTYPE html>
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<html>
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<head>
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<title>Filmdatenbank</title>
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<meta charset="UTF-8">
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<style>
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table, td, tr, th {
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border: 1px solid;
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border-color: #d3d3d3;
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border-collapse: collapse;
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}
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</style>
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</head>
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<body>
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<h1>Filmdatenbank</h1>
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<form method="POST">
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<?php
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showTable($lieblingsfilme);
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?>
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<h2>Eingabe eines neuen Films</h2>
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<table>
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<tr>
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<th>Titel</th>
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<td><input type="text" name="titel"></td>
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</tr>
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<tr>
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<th>Regisseur</th>
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<td><input type="text" name="regisseur"></td>
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</tr>
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<tr>
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<th>Jahr</th>
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<td><input type="text" size="4" name="jahr"></td>
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</tr>
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<tr>
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<th>Spielzeit</th>
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<td><input type="text" size="4" name="spielzeit"></td>
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</tr>
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<tr>
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<th>FSK</th>
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<td><input type="text" size="2" name="fsk"></td>
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</tr>
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</table>
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<button type="submit" name="save">Speichern</button>
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<br>
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<br>
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<button type="submit" name="reset">Session löschen</button>
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</form>
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</body>
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</html>
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@ -16,5 +16,5 @@ Hier finden Sie die wöchentlichen Assignments für die Vorlesung Webbasierte Sy
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| 2. | 16.10.2023 | [Styling der Fanseite mit CSS](Assignment_002/readme.md) | **22.10.2023** | |
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| 3. | 23.10.2023 | [Fanseite responsive machen](Assignment_003/readme.md) | **05.11.2023** | |
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| 4. | 06.11.2023 | [Interaktive Filmdatenbank](Assignment_004/readme.md) | **19.11.2023** | [✅](Assignment_004/solution/) |
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| 5. | 27.11.2023 | [Filmdatenbank mit PHP](Assignment_005/readme.md) | **10.12.2023** | |
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| 5. | 27.11.2023 | [Filmdatenbank mit PHP](Assignment_005/readme.md) | **10.12.2023** | [✅](Assignment_005/solution/) |
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| 6. | 11.12.2023 | [Filmdatenbank mit PHP und Twig](Assignment_006/readme.md) | **17.12.2023** | |
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