PHP中一些常见技巧.doc

PHP中一些常见技巧1、关于PHP重定向方法一：header(Location: index.php);方法二：echo ;方法三：echo ;2、获取访问者浏览器function browse_infor() $browser=;$browserver=;$Browsers =array(Lynx,MOSAIC,AOL,Opera,JAVA,MacWeb,WebExplorer,OmniWeb);$Agent = $GLOBALSHTTP_USER_AGENT;for ($i=0; $i image/gif, jpg = image/jpeg, jpeg = image/jpeg, jpe = image/jpeg, bmp = image/bmp, png = image/png, tif = image/tiff, tiff = image/tiff, pict = image/x-pict, pic = image/x-pict, pct = image/x-pict, tif = image/tiff, tiff = image/tiff, psd = image/x-photoshop, swf = application/x-shockwave-flash, js = application/x-javascript, pdf = application/pdf, ps = application/postscript, eps = application/postscript, ai = application/postscript, wmf = application/x-msmetafile, css = text/css, htm = text/html, html = text/html, txt = text/plain, xml = text/xml, wml = text/wml, wbmp = image/vnd.wap.wbmp, mid = audio/midi, wav = audio/wav, mp3 = audio/mpeg, mp2 = audio/mpeg, avi = video/x-msvideo, mpeg = video/mpeg, mpg = video/mpeg, qt = video/quicktime, mov = video/quicktime, lha = application/x-lha, lzh = application/x-lha, z = application/x-compress, gtar = application/x-gtar, gz = application/x-gzip, gzip = application/x-gzip, tgz = application/x-gzip, tar = application/x-tar, bz2 = application/bzip2, zip = application/zip, arj = application/x-arj, rar = application/x-rar-compressed, hqx = application/mac-binhex40, sit = application/x-stuffit, bin = application/x-macbinary, uu = text/x-uuencode, uue = text/x-uuencode, latex= application/x-latex, ltx = application/x-latex, tcl = application/x-tcl, pgp = application/pgp, asc = application/pgp, exe = application/x-msdownload, doc = application/msword, rtf = application/rtf, xls = application/vnd.ms-excel, ppt = application/vnd.ms-powerpoint, mdb = application/x-msaccess, wri = application/x-mswrite, );5、php生成excel文档header(Content-type:application/vnd.ms-excel);header(Content-Disposition:filename=test.xls);echo test1t;echo test2tn;echo test1t;echo test2tn;echo test1t;echo test2tn;echo test1t;echo test2tn;echo test1t;echo test2tn;echo test1t;echo test2tn;?/改动相应文件头就可以输出.doc .xls等文件格式了6、时间比较问题举一个简单例子说明:比如一个论坛对当天发表的贴子用new图片标记一下。方法一：/$db-rows$idate中为数据库中datetime字段值.$today=time();$theDay=d