PHP mysqli_init() 函数

mysqli_init() 函数的使用：

   <?php
  $con=mysqli_init();
  if (!$con)
   {
       die("mysqli_init failed");
   }
  
  if (!mysqli_real_connect($con,"localhost","my_user","my_password","my_db"))
   {
       die("Connect Error: " . mysqli_connect_error());
   }
  
  mysqli_close($con);
  ?>