一个不是很难的问题,请看看 $_SERVER["HTTP_USER_AGENT"];就是不知道怎么分别取值 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 一个浏览器检查类 <?php //原作者:epsilon7 //SonyMusic([email protected]) class BrowserDetector { var $UA = ""; //$HTTP_USER_AGENT的内容 var $BROWSER = "Unknown"; //浏览器类型 var $PLATFORM = "Unknown"; //操作系统 var $VERSION= ""; //浏览器版本号 var $MAJORVER = ""; //浏览器主版本号 var $MINORVER = ""; //浏览器副版本号 /* 构造函数开始 */ 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; } } } //测试程序开始 $test=new browserdetector; echo $test->UA."<br>"; echo $test->BROWSER."<br>"; echo $test->PLATFORM."<br>"; echo $test->VERSION."<br>"; echo $test->MAJORVER."<br>"; echo $test->MINORVER."<br>"; ?> 求正则表达式 access for user root@localhost using password: yes php json_encode怎么安装扩展啊? [百度分享]PHP函数的实现原理及性能分析(一) 为什么服务器上的PHP 解析不了 <?=$a?> 要怎么设置才可以呢? 大家中秋好 如何在web开发(php)中实现实现面向对象 大家帮忙想想如果通过域服务器用户账号密码做身份验证的方案 有关php socket 的编程 显示问题 请PHP高手推荐几本高阶的PHP书籍 欲高价购买一套类似碧聊的语音聊天程序. UP者有分!
//原作者:epsilon7
//SonyMusic([email protected])
class BrowserDetector {
var $UA = ""; //$HTTP_USER_AGENT的内容
var $BROWSER = "Unknown"; //浏览器类型
var $PLATFORM = "Unknown"; //操作系统
var $VERSION= ""; //浏览器版本号
var $MAJORVER = ""; //浏览器主版本号
var $MINORVER = ""; //浏览器副版本号
/* 构造函数开始 */
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;
}
}
} //测试程序开始
$test=new browserdetector;
echo $test->UA."<br>";
echo $test->BROWSER."<br>";
echo $test->PLATFORM."<br>";
echo $test->VERSION."<br>";
echo $test->MAJORVER."<br>";
echo $test->MINORVER."<br>";
?>