PHP 中的 mysqli real connect函数

mysqli real connect - 语法

mysqli_real_connect(connection,host,username,password,dbname,port,socket,flag);

it函数打开到MySQL的新连接。

mysqli real connect - 返回值

成功时返回TRUE，失败时返回FALSE。

mysqli real connect - 示例

<?php
   $connection_mysql=mysqli_init();
   
   if (!$connection_mysql){
      die("mysqli_init failed");
   }
   
   if (!mysqli_real_connect($connection_mysql,"localhost","user","password","db")){
      die("Connect Error: " . mysqli_connect_error());
   }
   mysqli_close($connection_mysql);
?>