面向对象方法:
$conn =new mysqli('localhost', 'my_user', 'my_password', 'world');
$sql = "select * from db_table";
$query = $conn->query($sql);
while($row = $query->fetch_array()){
echo $row['title'];
}
面向过程方法:
$conn = mysqli_connect('localhost', 'my_user', 'my_password', 'world') or ('error');
$sql = "select * from db_table";
$query = mysqli_query($conn,$sql);
while($row = mysqli_fetch_array($query)){
echo $row['title'];
}