| | |
| | | */ |
| | | function rcube_charset_convert($str, $from, $to=NULL) |
| | | { |
| | | static $mbstring_loaded = null, $convert_warning = false; |
| | | static $mbstring_loaded = null; |
| | | static $mbstring_list = null; |
| | | static $convert_warning = false; |
| | | |
| | | $from = strtoupper($from); |
| | | $to = $to==NULL ? strtoupper(RCMAIL_CHARSET) : strtoupper($to); |
| | |
| | | $aliases['UTF-7'] = 'UTF7-IMAP'; |
| | | $aliases['WINDOWS-1257'] = 'ISO-8859-13'; |
| | | |
| | | // return if convert succeeded |
| | | if (($out = mb_convert_encoding($str, ($aliases[$to] ? $aliases[$to] : $to), ($aliases[$from] ? $aliases[$from] : $from))) != '') |
| | | if (is_null($mbstring_list)) { |
| | | $mbstring_list = mb_list_encodings(); |
| | | $mbstring_list = array_map('strtoupper', $mbstring_list); |
| | | } |
| | | |
| | | $mb_from = $aliases[$from] ? $aliases[$from] : $from; |
| | | $mb_to = $aliases[$to] ? $aliases[$to] : $to; |
| | | |
| | | // return if encoding found, string matches encoding and convert succeeded |
| | | if (in_array($mb_from, $mbstring_list) && in_array($mb_to, $mbstring_list)) |
| | | if (mb_check_encoding($str, $mb_from)) |
| | | if ($out = mb_convert_encoding($str, $mb_to, $mb_from)) |
| | | return $out; |
| | | } |
| | | |