PHP. Руководство по PHP. 2005
imap_utf7_encode
imap_utf7_encode
Description
string imap_utf7_encode (string data)Converts data to modified UTF-7 text. Note that data is expected to be encoded in ISO-8859-1.
This is needed to encode mailbox names that contain certain characters which are not in range of printable ASCII characters.
The modified UTF-7 encoding is defined in RFC 2060, section 5.1.3 (original UTF-7 was defined in RFC1642).
See also: imap_utf7_decode().
imap_utf7_decode
imap_utf8
