PHP 긴 기사 페이지 매기기 코드 공유

/**
* 长文章分段
* @param string $article 文章内容
* @param number $return_number 文章字节限制
* @return array
*/
private function ContentAddpage($content,$return_number=800){
    $return_content = "";    //返回的字符串
    $current_num = 0;        //当前字符串长度
    $return_content_num = 0; //上次字符串截取后的长度；用来处理最后数组中字数过长的case.
    $page_num_word = array();//以br为分隔符使用preg_split分隔字符串生成的数组；

    $content = strip_tags($content,',');
    $content = preg_replace("//m", "",  $content);
    $content = str_replace("","",  $content);
    $content = preg_replace("//m", "",  $content);
    $content_info = preg_split("//",$content);//根据字符串确定段落
    $art_num = count($content_info);//确定段落数

    for($i=0;$i <= $art_num-1;$i  ){
        $page_num_word[$i] = strlen($content_info[$i]);
        $current_num  = $page_num_word[$i];//得到字数
        if ($current_num <= $return_number){
            $tmp_num = $return_number-$current_num;
            $return_content .= mb_substr($content_info[$i],0,$tmp_num)."";
            $return_content_num = $current_num;
        }else{
            $tmp_num = $return_number-$return_content_num;
            $return_content .= mb_substr($content_info[$i],0,$tmp_num)."";
            break;
        }
    }
    return $return_content;
}

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