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MySQL ??? PDO ??? ???? ??? ??????
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? ??? ??? MySQL ???? MySQL ??? PDO ??? ??? ??????

MySQL ??? PDO ??? ??? ??????

Nov 06, 2024 pm 08:51 PM

How do I convert MySQL code to PDO statements?

MySQL ??? PDO ??? ???? ??? ??????

PHP?? ?????? ??? ? ? MySQL ??? PDO(PHP Data Objects) ??? ???? ?? ??? ????. PDO? ?? ????? ???? ??????? ?? ???? ???? ??? ??? ?????. ? ?????? MySQL ??? PDO ??? ???? ??? ?????.

????

? ?? ??? PDO? ???? ??????? ???? ????. ?? ??? ?? ??? ????.

$db_host = "127.0.0.1";
$db_name = "database_name";
$db_user = "username";
$db_pass = "password";

$pdo = new PDO("mysql:host=$db_host;dbname=$db_name", $db_user, $db_pass);

?? ????

PDO ??? ???? MySQL ??? PDO ??? ??? ? ????.

mysqli ? PDO? ??? ??? ???

??? ???? ??? ?? ???? ??? ??? ???? ??? ?????. ??? ???? ?? ??? ???? ????? SQL ??? ?????.

??? MySQLi?? ??? ?? ????.

$sql = "SELECT * FROM users WHERE username = ? AND password = ?";
$stmt = $mysqli->prepare($sql);
$stmt->bind_param("ss", $username, $password);
$stmt->execute();
$result = $stmt->get_result();

PDO? ??? ??? ??? ????.

$sql = "SELECT * FROM users WHERE username = ? AND password = ?";
$stmt = $pdo->prepare($sql);
$stmt->bindParam(1, $username, PDO::PARAM_STR);
$stmt->bindParam(2, $password, PDO::PARAM_STR);
$stmt->execute();
$result = $stmt->fetchAll();

????? ??

??? ??? MySQL ??? PDO ??? ???? ??? ?? ????.

$id = $_SESSION['u_id'] ?? NULL;

if ($id) {
    $sql = "SELECT email FROM users WHERE u_id = ?";
    $stmt = $pdo->prepare($sql);
    $stmt->execute([$id]);
    $email = $stmt->fetchColumn();
}

$email = $email ?? "";
$suggestions = selectAll($table);

$optionOne = $_POST['optionOne'] ?? "";
$optionTwo = $_POST['optionTwo'] ?? "";
$newSuggestion = $_POST['new-suggestion'] ?? "";

if ($newSuggestion && $id && $email && $optionOne && $optionTwo) {
    $sql = "INSERT INTO suggestions (user_id, email, option_1, option_2) VALUES (?, ?, ?, ?)";
    $stmt = $pdo->prepare($sql);
    $stmt->execute([$id, $email, $optionOne, $optionTwo]);
} else {
    echo "All options must be entered";
}

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MySQL ??? PDO ??? ???? ??? ??? ?????. ? ???? ??? ??? ??? ??? PDO? ?? ???????? ??? ?? ? ??? ?? ??? ??? ? ????.

? ??? MySQL ??? PDO ??? ??? ??????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!

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