指定位置插入字符串()

admin 评论(0) 2021-01-11 PHP

/* * 指定位置插入字符串 * @param $str 原字符串 * @param $i 插入位置 * @param $substr 插入字符串 * @return string 处理后的字符串 */ function insertToStr($str){ //dump( mb_detect_encoding($str1, array('ASCII','GB2312','GBK','UTF-8') )); $len = mb_strlen($str,'UTF-8'); $fstr = mb_substr($str,0,6,'UTF-8'); $bstr = mb_substr($str,6,$len,'UTF-8'); //返回结果 return $fstr."
".$bstr; }