PHP5中文手册

实例

返回数据库连接的默认字符集：

 <?PHP
 $con=mysqli_connect("localhost","my_user","my_password","my_db");
 // Check connection
 if (mysqli_connect_errno($con))
 {
 echo "Failed to connect to MySQL: " . mysqli_connect_error();
 }

$charset=mysqli_character_set_name($con);
echo "Default character set is: " . $charset;

mysqli_close($con);
 ?>