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Conversione da MySQLi a PDO - pt. 1
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Francesco Mancuso
2026-04-12 20:23:39 +02:00
parent 0a46c7e901
commit 3752c65f1d
2 changed files with 61 additions and 57 deletions
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62
file/search/index.php
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@@ -6,37 +6,48 @@ if (isset($_GET['s'])) {
}
// Ricerca film dal DB
// Questi valori vengono letti automaticamente
$host = getenv('DB_HOST'); // Sarà "local_db"
$db = getenv('DB_NAME'); // Sarà "nomerepository-nomeutente"
$user = getenv('DB_USER'); // Uguale al nome DB
$pass = getenv('DB_PASS'); // Password generata casualmente ad ogni deploy
$charset = 'utf8mb4';
$conn = mysqli_connect("localhost", "root", "", "film_attori");
$dsn = "mysql:host=$host;dbname=$db;charset=$charset";
if ($conn === false) {
exit("<code>Errore: impossibile stabilire una connessione " . mysqli_connect_error() . "</code>");
try {
$pdo = new PDO($dsn, $user, $pass);
} catch (\PDOException $e) {
throw new \PDOException($e->getMessage(), (int) $e->getCode());
}
// Collegamento al DB effettuato
$query = "SELECT film.id_film, film.nome, film.trama, film.data_uscita, generi.nome as genere FROM film, generi WHERE film.id_genere = generi.id_genere ORDER BY film.data_uscita";
$searched = "";
// Leggo la ricerca
if (isset($_GET['q'])) {
if (is_string($_GET['q']) && $_GET['q'] !== "" && $_GET['q'] !== null) {
$nome = htmlspecialchars($_GET['q']);
$searched = $nome;
$query = "SELECT film.id_film, film.nome, film.trama, film.data_uscita, generi.nome as genere FROM film, generi WHERE film.id_genere = generi.id_genere AND film.nome LIKE '%" . $nome . "%' ORDER BY film.data_uscita";
}
$params = [];
if (isset($_GET['q']) && $_GET['q'] !== '') {
$nome = $_GET['q'];
$searched = $nome;
$query = `SELECT film.id_film, film.nome, film.trama, film.data_uscita, generi.nome as genere
FROM film
JOIN generi ON film.id_genere = generi.id_genere
WHERE film.nome LIKE :nome
ORDER BY film.data_uscita`;
$params[':nome'] = "%$nome%";
} else {
$query = `SELECT film.id_film, film.nome, film.trama, film.data_uscita, generi.nome as genere
FROM film
JOIN generi ON film.id_genere = generi.id_genere
ORDER BY film.data_uscita`;
}
// Leggo i dati del film e faccio il JOIN per avere il nome del genere
$res = mysqli_query($conn, $query);
if ($res === false) {
// Codice HTTP 500: Errore
http_response_code(500);
echo "<code>Errore: impossibile eseguire la query. " . mysqli_error($conn) . "</code>";
mysqli_close($conn);
exit();
}
$stmt = $pdo->prepare($query);
$stmt->execute($params);
?>
@@ -71,7 +82,8 @@ if ($res === false) {
<h1>Film in sala</h1>
<form action="." method="GET">
<fieldset>
<input type="text" id="query" name="q" value="<?php echo $searched; ?>" placeholder="Scrivi il titolo...">
<input type="text" id="query" name="q" value="<?php echo $searched; ?>"
placeholder="Scrivi il titolo...">
<button type="submit">Cerca</button>
</fieldset>
</form>
@@ -84,12 +96,13 @@ if ($res === false) {
$test = true;
while ($row = mysqli_fetch_array($res)) {
while ($row = $stmt->fetch()) {
$test = false;
?>
<a href="<?php echo "../film?id=" . $row['id_film']; ?>">
<div class="film">
<img src="<?php echo "../api/v1/img/?n=" . urlencode($row['nome'] . ' ' . date('Y', strtotime($row['data_uscita']))); ?>">
<img
src="<?php echo "../api/v1/img/?n=" . urlencode($row['nome'] . ' ' . date('Y', strtotime($row['data_uscita']))); ?>">
<h5><?php echo $row['nome']; ?></h5>
<div class="genere">
<?php echo $row['genere']; ?>
@@ -99,9 +112,6 @@ if ($res === false) {
<?php
}
mysqli_free_result($res);
mysqli_close($conn);
?>
</div>
<?php