1）无需mysql支持，无需建立索引，无需设置路径，放在哪级目录下，就搜索该目录和子目录；可以搜索一切文本类型的文件（txt.htm.asp.php.cgi.chm.hlp.）search.php为简单版，如果站点文件数量大，占用空间多，推荐使用，搜索结果如果有title，则显示title；无title显示文件名，搜索结果自动编号。search0.php在此基础上，增加了显示关键词所在行、关键词自动高亮显示、搜索结果分页处理。如果站点文件数量大，占用空间多，搜索速度会相对较慢，因为需要使用数组占用内存。

-1) No mysql support, no index, no set path, on which level directory, the search for the directories and subdirectories　can search all the text type of file (txt.htm.asp.php.cgi.chm.hlp. ) search.php for the simple version, if the site documents in large quantities, more space is recommended, the search results if there is title, the show title　no title shows the file name, the search results automatically number. search0.php On this basis, an increase of the line display keywords, keyword automatically highlight the search results page processing. If the site documents in large quantities, more space, the search speed will be relatively slow because of the need to use an array of memory for.