Используем PDO для работы с MYSQL.
$host = '127.0.0.1';
$db = 'test';
$user = 'root';
$pass = '';
$charset = 'utf8';
$dsn = "mysql:host=$host;dbname=$db;charset=$charset";
$opt = [
PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
PDO::ATTR_EMULATE_PREPARES => false,
];
$pdo = new PDO($dsn, $user, $pass, $opt);
/*$stmt = $pdo->query('SELECT name FROM post');
while ($row = $stmt->fetch())
{
echo $row['name'] . "\n";
echo '<br>';
}*/
$id=1;
$stmt = $pdo->prepare('SELECT name FROM post WHERE id = ?');
$stmt->execute(array($id));
/*$stmt = $pdo->prepare('SELECT name FROM post WHERE id = :id');
$stmt->execute(array('id' => $id));*/
while ($row = $stmt->fetch())
{
echo $row['name'] . "\n";
echo '<br>';
}