mb_strlen
(PHP 4 >= 4.0.6, PHP 5)
mb_strlen — Get string length
Description
   int mb_strlen
    ( string $str
   [, string $encoding
  ] )
  mb_strlen() returns number of characters in string str having character encoding encoding . A multi-byte character is counted as 1.
encoding is character encoding for str . If encoding is omitted, internal character encoding is used.
See also mb_internal_encoding(), strlen().