get_host_info

定義和用法

host_info() / mysqli_get_host_info()函數返回MySQL 服務器主機名和連接類型。

實例

例子1 - 面向對像風格

返回服務器主機名和連接類型：

 <?php
$mysqli = new mysqli ( "localhost" , "my_user" , "my_password" , "my_db" ) ;

if ( $mysqli -> connect_errno ) {
  echo "Failed to connect to MySQL: " . $mysqli -> connect_error ;
  exit ( ) ;
}

echo $mysqli -> host_info ( ) ;

$mysqli -> close ( ) ;
?>

例子2 - 過程式風格

返回服務器主機名和連接類型：

 <?php
$con = mysqli_connect ( "localhost" , "my_user" , "my_password" , "my_db" ) ;

if ( mysqli_connect_errno ( ) ) {
  echo "Failed to connect to MySQL: " . mysqli_connect_error ( ) ;
  exit ( ) ;
}

echo mysqli_get_host_info ( $con ) ;

mysqli_close ( $con ) ;
?>