php在字符断字处截断文字的代码

3. // Original PHP code by Chirp Internet: www.chirp.com.au

4. // Please acknowledge use of this code by including this header.
5. function myTruncate($string, $limit, $break=".", $pad="...") {
6. // return with no change if string is shorter than $limit
7. if(strlen($string) return $string;

8. // is $break present between $limit and the end of the string?

9. if(false !== ($breakpoint = strpos($string, $break, $limit))) {
10. if($breakpoint $string = substr($string, 0, $breakpoint) . $pad;
11. }
12. }
13. return $string;
14. }
15. /***** Example ****/
16. $short_string=myTruncate($long_string, 100, ' ');
17. ?>

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