imap_utf7_encode Converts ISO-8859-1 string to modified UTF-7 text &reftitle.description; stringimap_utf7_encode stringstring Converts string 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. &reftitle.parameters; string An ISO-8859-1 string. &reftitle.returnvalues; Returns string encoded with the modified UTF-7 encoding as defined in RFC 2060, section 5.1.3. &reftitle.seealso; imap_utf7_decode