实例

返回当前连接的线程 ID，然后杀死连接：

<?php
$con=mysqli_connect("localhost","my_user","my_password","my_db");
// 检测连接
if (mysqli_connect_errno($con))
{
     echo "Failed to connect to MySQL: " . mysqli_connect_error();
}
// 获取线程 ID
$t_id=mysqli_thread_id($con);
// 杀死线程
mysqli_kill($con,$t_id);
?>