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mb_detect_order

Description

The mb_detect_order of Multibyte String for PHP set/Get character encoding detection order.

Syntax

mb_detect_order(
    array|string|null $encoding = null
): array|bool

Parameters

encoding

encoding is an array or comma separated list of character encoding.

If encoding is omitted or null, it returns the current character encoding detection order as array.

This setting affects mb_detect_encoding() and mb_send_mail().

mbstring currently implements the following encoding detection filters. If there is an invalid byte sequence for the following encodings, encoding detection will fail.

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.

Return

When setting the encoding detection order, true is returned on success or false on failure. When getting the encoding detection order, an ordered array of the encodings is returned.

Examples

1 · void

<?

$return = mb_detect_order();

var_export($return);

?>
array (
  0 => 'ASCII',
  1 => 'UTF-8',
)

2 · encoding · array

<?

$encoding = ['ASCII', 'UTF-8'];

$return = mb_detect_order($encoding);

var_export($return);

?>
true

3 · encoding · string

<?

$encoding = 'ASCII, UTF-8';

$return = mb_detect_order($encoding);

var_export($return);

?>
true
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