Some experience in PHP. Recently, projects in the hands are relatively idle. Come here and share some accumulated skills with you! 1. PHP redirection Method 1: header (Location: index. php); Method 2: recently completed projects in the hands, relatively idle. Come here and share some accumulated skills with you! 1. PHP redirection Method 1: header ("Location: index. php"); Method 2: echo ""; Method 3: echo" "; 2. obtain the visitor's browser function browse_infor () {$ browser =" "; $ browserver =" "; $ Browsers = array (" Lynx "," MOSAIC ", "AOL", "Opera", "JAVA", "MacWeb", "WebExplorer", "OmniWeb"); $ Agent = $ GLOBALS ["HTTP_USER_AGENT"]; for ($ I = 0; $ I <= 7; $ I ++) {if (strpos ($ Agent, $ Browsers [$ I]) {$ browser = $ Browsers [$ I]; $ browserver = "" ;}} if (ereg ("Mozilla", $ Agent )&&! Ereg ("MSIE", $ Agent) {$ temp = explode (", $ Agent); $ Part = $ temp [0]; $ temp = explode ("/", $ Part); $ browserver = $ temp [1]; $ temp = explode ("", $ browserver ); $ browserver = $ temp [0]; $ browserver = preg_replace ("/([d.] +)/"," 1 ", $ browserver); $ browserver =" $ browserver "; $ browser =" Netscape Navigator ";} if (ereg (" Mozilla ", $ Agent) & ereg ("Opera", $ Agent) {$ temp = explode ("(", $ Agent); $ Part = $ temp [1]; $ temp = e Xplode (")", $ Part); $ browserver = $ temp [1]; $ temp = explode ("", $ browserver); $ browserver = $ temp [2]; $ browserver = preg_replace ("/([d.] +)/"," 1 ", $ browserver); $ browserver =" $ browserver "; $ browser =" Opera ";} if (ereg (" Mozilla ", $ Agent) & ereg ("MSIE", $ Agent) {$ temp = explode ("(", $ Agent); $ Part = $ temp [1]; $ temp = explode (";", $ Part); $ Part = $ temp [1]; $ temp = explode ("", $ Part ); $ browserver = $ temp [2]; $ bro Wserver = preg_replace ("/([d.] +)/"," 1 ", $ browserver); $ browserver =" $ browserver "; $ browser =" Internet Explorer ";} if ($ browser! = "") {$ Browseinfo = "$ browser $ browserver";} else {$ browseinfo = "Unknown";} return $ browseinfo ;} // call method $ browser = browseinfo (); directly return result 3. obtain the visitor's OS function osinfo () {$ OS = ""; $ Agent = $ GLOBALS ["HTTP_USER_AGENT"]; if (eregi (win, $ Agent) & strpos ($ Agent, 95) {$ OS = "Windows 95 ";} elseif (eregi (win 9x, $ Agent) & strpos ($ Agent, 4.90) {$ OS = "Windows ME";} elseif (eregi (win, $ Agent) & ereg (98, $ Agent) {$ OS = "Windows 98";} elseif (eregi (win, $ Agent) & eregi (nt 5.0, $ Agent )) {$ OS = "Windows 2000";} elseif (eregi (win, $ Agent) & eregi (nt, $ Agent) {$ OS = "Windows NT ";} elseif (eregi (win, $ Agent) & eregi (nt 5.1, $ Agent) {$ OS = "Windows XP";} elseif (eregi (win, $ Agent) & ereg (32, $ Agent) {$ OS = "Windows 32";} elseif (eregi (linux, $ Agent) {$ OS = "Linux ";} elseif (eregi (unix, $ Agent) {$ OS = "Unix";} elseif (eregi (sun, $ Agent) & eregi (OS, $ Agent )) {$ OS = "SunOS";} elseif (eregi (ibm, $ Agent) & eregi (OS, $ Agent) {$ OS = "ibm OS/2 ";} elseif (eregi (Mac, $ Agent) & eregi (PC, $ Agent) {$ OS = "Macintosh";} elseif (eregi (PowerPC, $ Agent )) {$ OS = "PowerPC";} elseif (eregi (AIX, $ Agent) {$ OS = "AIX";} elseif (eregi (HPUX, $ Agent )) {$ OS = "HPUX";} elseif (eregi (NetBSD, $ Agent) {$ OS = "NetBSD";} elseif (eregi (BSD, $ Agent )) {$ OS = "BSD";} elseif (ereg (OSF1, $ Agent) {$ OS = "OSF1";} elseif (ereg (IRIX, $ Agent )) {$ OS = "IRIX";} elseif (eregi (FreeBSD, $ Agent) {$ OS = "FreeBSD";} if ($ OS =) $ OS = "Unknown"; return $ OS;} // call method $ OS = OS _infor (); 4. file format class $ mime_types = array (gif => 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 generates excel documents // You can change the response file header to export the file formats such as .doc. xls. 6. time comparison. for example, a forum can mark the post posted on the current day with a new image. Method 1: // $ db-> rows [$ I] [date] indicates the datetime field value in the database. $ today = time (); $ theDay = date ("Y-m-d H: I: s", $ today-24*3600 ); $ newTag = $ db-> rows [$ I] [date]> = $ theDay? "": ""; Method 2: $ newTag = $ db-> rows [$ I] [date]> = date ("Y-m-d 00:00:00 ")? "": ""; 7. Examples of database operations encapsulated in PHP ...... see the attachment in this article!
Bytes. Come here and share some accumulated skills with you! 1. PHP redirection Method 1: header (Location: index. php); Method 2...
