imap_utf7_encode
(PHP 4, PHP 5, PHP 7, PHP 8)
imap_utf7_encode — Converts ISO-8859-1 string to modified UTF-7 text
說明
   imap_utf7_encode(string 
  $string): string
   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.
參數
- 
string
- 
      An ISO-8859-1 string. 
返回值
   Returns string encoded with the modified UTF-7
   encoding as defined in » RFC 2060, 
   section 5.1.3.