PHP mysqli_get_connection_stats() 函数

返回有关客户端连接的统计：

   <?php
   $con=mysqli_connect("localhost","my_user","my_password","my_db");
   // 检测连接
   if (mysqli_connect_errno($con))
   {
       echo "数据库连接失败: " . mysqli_connect_error();
   }
  
  print_r(mysqli_get_connection_stats($con));
  
  mysqli_close($con);
   ?>