mysqli::get_charset()
(PHP 5 >= 5.1.0, PHP 7)
Returns a character set object
说明
面向对象风格
mysqli::get_charset(void): 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