imap_utf8_to_mutf7

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

imap_utf8_to_mutf7 — Encode a UTF-8 string to modified UTF-7

说明

imap_utf8_to_mutf7 ( string $string ) : string|false

Encode a UTF-8 string to modified UTF-7 (as specified in RFC 2060, section 5.1.3).

注意:

This function is only available, if libcclient exports utf8_to_mutf7().

参数

string

A UTF-8 encoded string.

返回值

Returns string converted to modified UTF-7, 或者在失败时返回 false.

参见