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";
}
??
MySQL ??? PDO ??? ???? ??? ??? ?????. ? ???? ??? ??? ??? ??? PDO? ?? ???????? ??? ?? ? ??? ?? ??? ??? ? ????.
? ??? MySQL ??? PDO ??? ??? ??????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!
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