33 lines
1.1 KiB
PHP
33 lines
1.1 KiB
PHP
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<?php
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class BrowserDetector {
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var $UA = ""; //$HTTP_USER_AGENT的内容
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var $BROWSER= "Unknown"; //浏览器类型
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var $PLATFORM = "Unknown"; //操作系统
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var $VERSION= ""; //浏览器版本号
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/* 构造函数开始 */
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function __construct(){
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$this->UA = getenv(HTTP_USER_AGENT);
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$start = strpos($this->UA,"(")+1;//查看起始位置
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$length = strpos($this->UA,")")-$start;//查看结束位置
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$middle = trim(substr($this->UA,$start,$length)); //查看内容
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$end = trim(substr($this->UA,$start+$length+1));//附加内容
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$message = explode(";",$middle);//转换成数组
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//----------操作系统-----------------
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$os = trim($message['2']);
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$os_array = explode(" ",$os);
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$this->PLATFORM = trim($os_array['0']);//操作系统
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//------------浏览器------------
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$brower = trim($message['1']);
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if(preg_match("/msie/i",$brower)){//IE核心浏览器
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$brow_array =explode(" ",$brower);
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$this->BROWSER = "IE";
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$this->VERSION = $brow_array['1'];
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}else{//其它浏览器
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$brower =explode(" ",$end);
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$brow_array =explode("/",$brower['1']);
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$this->BROWSER = $brow_array['0'];
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$this->VERSION = $brow_array['1'];
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}
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}
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}
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