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PHP5中文手册
mb_strcut(PHP 4 >= 4.0.6, PHP 5) mb_strcut — Get part of string 说明
string mb_strcut
( string $str
, int $start
[, int $length
[, string $encoding
]] )
mb_strcut() returns the portion of str specified by the start and length parameters. mb_strcut() performs equivalent operation as mb_substr() with different method. If start position is multi-byte character's second byte or larger, it starts from first byte of multi-byte character. It subtracts string from str that is shorter than length AND character that is not part of multi-byte string or not being middle of shift sequence. encoding is character encoding. If it is not set, internal character encoding is used. See also mb_substr(), mb_internal_encoding(). |