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# mb_detect_order

(PHP 4 >= 4.0.6, PHP 5)

mb_detect_order -- Set/Get character encoding detection order

## Description

array mb_detect_order ( [mixed encoding_list] )

mb_detect_order() sets automatic character encoding detection order to encoding_list. It returns `TRUE` for success, `FALSE` for failure.

encoding_list is array or comma separated list of character encoding. ("auto" is expanded to "ASCII, JIS, UTF-8, EUC-JP, SJIS")

If encoding_list is omitted, it returns current character encoding detection order as array.

This setting affects mb_detect_encoding() and mb_send_mail().

> Nota: mbstring currently implements following encoding detection filters. If there is an invalid byte sequence for following encoding, encoding detection will fail.

> Nota: UTF-8, UTF-7, ASCII, EUC-JP,SJIS, eucJP-win, SJIS-win, JIS, ISO-2022-JP

> For ISO-8859-*, mbstring always detects as ISO-8859-*.

> For UTF-16, UTF-32, UCS2 and UCS4, encoding detection will fail always.

> Exemplo 1. Useless detect order example
>     ; Always detect as ISO-8859-1
>     detect_order = ISO-8859-1, UTF-8

>     ; Always detect as UTF-8, since ASCII/UTF-7 values are
>     ; valid for UTF-8
>     detect_order = UTF-8, ASCII, UTF-7

Exemplo 2. mb_detect_order() examples
`<?php /* Set detection order by enumerated list */ mb_detect_order("eucjp-win,sjis-win,UTF-8"); /* Set detection order by array */ $ary[] = "ASCII"; $ary[] = "JIS"; $ary[] = "EUC-JP"; mb_detect_order($ary); /* Display current detection order */ echo implode(", ", mb_detect_order()); ?>`

See also mb_internal_encoding(), mb_http_input(), mb_http_output() and mb_send_mail().

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