PHP implements browser inspection. PHP browser check class. php browser this article describes the browser check class implemented by PHP. For your reference, we will share with you the following: php author: browser check class implemented by epsilon7 PHP, php browser implementation
This example describes the browser check class implemented by PHP. We will share this with you for your reference. The details are as follows:
<? Php // original author: epsilon7 // SonyMusic ([email] sonymusic@163.net [/email]) class BrowserDetector {var $ UA = ""; // $ HTTP_USER_AGENT content var $ BROWSER = "Unknown"; // BROWSER type var $ PLATFORM = "Unknown"; // operating system var $ VERSION = ""; // browser version var $ MAJORVER = ""; // Main browser version var $ MINORVER = ""; // browser minor version/* constructor start */function BrowserDetector () {$ this-> UA = getenv (HTTP_USER_AGENT); $ preparens = ""; $ parens = ""; $ I = strpos ($ this-> UA ,"("); if ($ I >=0) {$ preparens = trim (substr ($ this-> UA, 0, $ I); $ parens = substr ($ this-> UA, $ I + 1, strlen ($ this-> UA); $ j = strpos ($ parens, ")"); if ($ j> = 0) {$ parens = substr ($ parens, 0, $ j) ;}} else {$ preparens = $ this-> UA ;}$ browVer = $ preparens; $ token = trim (strtok ($ parens, ";"); while ($ token) {if ($ token = "compatible ") {} elseif (preg_match ("/MSIE/I", "$ token") {$ browVer = $ token;} elseif (preg_match ("/Opera/I ", "$ token") {$ browVer = $ token;} elseif (preg_match ("/X11/I", "$ token ") | preg_match ("/SunOS/I", "$ token") | preg_match ("/Linux/I", "$ token ")) {$ this-> PLATFORM = "Unix";} elseif (preg_match ("/Win/I", "$ token") {$ this-> PLATFORM = $ token ;} elseif (preg_match ("/Mac/I", "$ token") | preg_match ("/PPC/I", "$ token ")) {$ this-> PLATFORM = $ token;} $ token = strtok (";") ;}$ msieIndex = strpos ($ browVer, "MSIE "); if ($ msieIndex> = 0) {$ browVer = substr ($ browVer, $ msieIndex, strlen ($ browVer);} $ leftover = ""; if (substr ($ browVer, 0, strlen ("Mozilla") = "Mozilla") {$ this-> BROWSER = "Netscape "; $ leftover = substr ($ browVer, strlen ("Mozilla") + 1, strlen ($ browVer);} elseif (substr ($ browVer, 0, strlen ("Lynx") = "Lynx") {$ this-> BROWSER = "Lynx"; $ leftover = substr ($ browVer, strlen ("Lynx ") + 1, strlen ($ browVer);} elseif (substr ($ browVer, 0, strlen ("MSIE") = "MSIE ") {$ this-> BROWSER = "IE"; $ leftover = substr ($ browVer, strlen ("MSIE") + 1, strlen ($ browVer ));} elseif (substr ($ browVer, 0, strlen ("Microsoft Internet Explorer") = "Microsoft Internet Explorer") {$ this-> BROWSER = "IE "; $ leftover = substr ($ browVer, strlen ("Microsoft Internet Explorer") + 1, strlen ($ browVer);} elseif (substr ($ browVer, 0, strlen ("Opera") = "Opera") {$ this-> BROWSER = "Opera"; $ leftover = substr ($ browVer, strlen ("Opera ") + 1, strlen ($ browVer) ;}$ leftover = trim ($ leftover); $ I = strpos ($ leftover, ""); if ($ I> 0) {$ this-> VERSION = substr ($ leftover, 0, $ I);} else {$ this-> VERSION = $ leftover ;} $ j = strpos ($ this-> VERSION ,". "); if ($ j >=0) {$ this-> MAJORVER = substr ($ this-> VERSION, 0, $ j ); $ this-> MINORVER = substr ($ this-> VERSION, $ j + 1, strlen ($ this-> VERSION ));} else {$ this-> MAJORVER = $ this-> VERSION ;}}// the test program starts $ test = new browserdetector; echo $ test-> UA."
"; Echo $ test-> BROWSER ."
"; Echo $ test-> PLATFORM ."
"; Echo $ test-> VERSION ."
"; Echo $ test-> MAJORVER ."
"; Echo $ test-> MINORVER ."
";?>