-if ( ! function_exists('mb_strcut') ):
- function mb_strcut( $str, $start, $length=null, $encoding=null ) {
- return _mb_strcut($str, $start, $length, $encoding);
+if ( ! function_exists('mb_substr') ):
+ function mb_substr( $str, $start, $length=null, $encoding=null ) {
+ return _mb_substr($str, $start, $length, $encoding);