Multibyte String
PHP Manual

mb_detect_encoding

(PHP 4 >= 4.0.6, PHP 5)

mb_detect_encoding — Detect character encoding

说明

string mb_detect_encoding ( string $str [, mixed $encoding_list [, bool $strict ]] )

mb_detect_encoding() detects character encoding in string str . It returns detected character encoding.

encoding_list is list of character encoding. Encoding order may be specified by array or comma separated list string.

If encoding_list is omitted, detect_order is used.

strict specifies whether to use the strict encoding detection or not. Default is FALSE.

Example#1 mb_detect_encoding() example

<?php
/* Detect character encoding with current detect_order */
echo mb_detect_encoding($str);

/* "auto" is expanded to "ASCII,JIS,UTF-8,EUC-JP,SJIS" */
echo mb_detect_encoding($str"auto");

/* Specify encoding_list character encoding by comma separated list */
echo mb_detect_encoding($str"JIS, eucjp-win, sjis-win");

/* Use array to specify encoding_list  */
$ary[] = "ASCII";
$ary[] = "JIS";
$ary[] = "EUC-JP";
echo 
mb_detect_encoding($str$ary);
?>

See also mb_detect_order().


Multibyte String
PHP Manual