复制代码 代码如下:
.*?               #标签内容 
    (?1)>     #结束标签 
    ;x 
    heredoc 
    , $s, $matches, preg_offset_capture, $o); 
        if ( $is_match ) { 
            foreach ( $matches[0] as $match ) { 
                $o0 = $match[1]; 
                #标签左边界越过截取目标右边界, 退出 
                if ( $o0 >= $o + $l ) break; 
                $l0 = strlen($match[0]); 
                #标签右边界在截取目标右边界内, 继续 
                if ( $o0 + $l0
                #以下为标签跨边界处理 
                $l  = $o0 + $l0 - $o; 
                break; 
            } 
        } 
        return substr($s, $o, $l); 
    }  
    echo $str . chr(10); 
    echo substr_remain_tag($str, 0, 20) . chr(10);
http://www.bkjia.com/phpjc/326438.htmlwww.bkjia.comtruehttp://www.bkjia.com/phpjc/326438.htmltecharticle复制代码 代码如下: ?php /** * author: goosman * blog: http://blog.csdn.net/lgg201 * mail: lgg860911@yahoo.com.cn */ $str = '0123456789a012/a0123456789'; function substr_rem...