- <?php
- //字符串的无乱码截取
- function sub ($str,$len) {
- $string = '';
- for( $i=0; $i < $len; $i++ ){
- if( ord(substr($str, $i,1))>0xa0 ){
- $string .= substr($str,$i,3); //默认采用utf编码,汉字3个字节
- $i=$i+2;
- }else{
- $string .= substr($str,$i,1);
- }
- }
- return $string;
- }
- //该片段来自于http://www.codesnippet.cn/detail/0709201513617.html
来源: http://www.codesnippet.cn/detail/0709201513617.html