string imap_utf7_encode(string $data)
data to modified UTF-7 text.
This is needed to encode mailbox names that contain certain characters which are not in range of printable ASCII characters.
data encoded with the modified UTF-7 encoding as defined in » RFC 2060, section 5.1.3 (original UTF-7 was defined in » RFC1642).
- string $data: An ISO-8859-1 string.