# imap_utf7_decode

(PHP 4, PHP 5, PHP 7)

imap_utf7_decode — Decodes a modified UTF-7 encoded string

### 说明

imap_utf7_decode ( string `$text` ) : string

Decodes modified UTF-7 `text` into ISO-8859-1 string.

This function is needed to decode mailbox names that contain certain characters which are not in range of printable ASCII characters.

### 参数

`text`

  A modified UTF-7 encoding string, as defined in » RFC 2060, section 5.1.3 (original UTF-7 was defined in » RFC1642).

### 返回值

Returns a string that is encoded in ISO-8859-1 and consists of the same sequence of characters in `text`, or `FALSE` if `text` contains invalid modified UTF-7 sequence or `text` contains a character that is not part of ISO-8859-1 character set.

### 参见

- imap_utf7_encode() - Converts ISO-8859-1 string to modified UTF-7 text