Php/docs/mysqli.get-charset

• PHP Manual
• MySQLi
• Returns a character set object

mysqli::get_charset

mysqli_get_charset

(PHP 5 >= 5.1.0, PHP 7)

mysqli::get_charset -- mysqli_get_charset — Returns a character set object

说明

面向对象风格

public mysqli::get_charset ( ) : object

过程化风格

mysqli_get_charset ( mysqli $link ) : object

Returns a character set object providing several properties of the current active character set.

参数

link

仅以过程化样式：由mysqli_connect() 或 mysqli_init() 返回的链接标识。

返回值

The function returns a character set object with the following properties:

charset

Character set name

collation

Collation name

dir

Directory the charset description was fetched from (?) or "" for built-in character sets

min_length

Minimum character length in bytes

max_length

Maximum character length in bytes

number

Internal character set number

state

Character set status (?)

范例

Example #1 mysqli::get_charset() example

面向对象风格

<?php  $db = mysqli_init();  $db->real_connect("localhost","root","","test");  var_dump($db->get_charset());?>

过程化风格

<?php  $db = mysqli_init();  mysqli_real_connect($db, "localhost","root","","test");  var_dump(mysqli_get_charset($db));?>

以上例程会输出：

object(stdClass)#2 (7) {
  ["charset"]=>
  string(6) "latin1"
  ["collation"]=>
  string(17) "latin1_swedish_ci"
  ["dir"]=>
  string(0) ""
  ["min_length"]=>
  int(1)
  ["max_length"]=>
  int(1)
  ["number"]=>
  int(8)
  ["state"]=>
  int(801)
}

参见

• mysqli_character_set_name() - 返回当前数据库连接的默认字符编码
• mysqli_set_charset() - 设置默认字符编码