PHP Gets the client information class

PHP gets client information class

 Getlang ();        Get the language of your visitors: Simplified Chinese, Traditional Chinese, 中文版.     $obj->getbrowser ();        Get the Guest browser: MSIE, Firefox, Chrome, Safari, Opera, other.          $obj->getos ();        Get guest OS: Windows, MAC, Linux, Unix, BSD, other.          $obj->getip ();        Gets the guest IP address.         $obj->getadd ();        Get the visitor's location and use Baidu to hide the interface.         $obj->getisp ();   Get the guest ISP and use Baidu to hide the interface.           */class class_guest_info{function Getlang () {$Lang = substr ($_server[' http_accept_language '], 0, 4);               Use SUBSTR () to intercept a string, starting with 0 bits, intercept 4 characters if (Preg_match ('/zh-c/i ', $Lang)) {//preg_match () regular expression matching function           $Lang = ' Simplified Chinese ';           } elseif (Preg_match ('/zh/i ', $Lang)) {$Lang = ' Traditional Chinese ';           } else {$Lang = ' 中文版 ';       } return $Lang;           } function Getbrowser () {$Browser = $_server[' http_user_agent '); if (Preg_match ('/msie/i ', $Browser)) {$Browser = ' MSIE ';           } elseif (Preg_match ('/firefox/i ', $Browser)) {$Browser = ' Firefox ';           } elseif (Preg_match ('/chrome/i ', $Browser)) {$Browser = ' Chrome ';           } elseif (Preg_match ('/safari/i ', $Browser)) {$Browser = ' Safari ';           } elseif (Preg_match ('/opera/i ', $Browser)) {$Browser = ' Opera ';           } else {$Browser = ' other ';       } return $Browser;           } function Getos () {$OS = $_server[' http_user_agent ');           if (Preg_match ('/win/i ', $OS)) {$OS = ' Windows ';           } elseif (Preg_match ('/mac/i ', $OS)) {$OS = ' mac ';           } elseif (Preg_match ('/linux/i ', $OS)) {$OS = ' Linux ';           } elseif (Preg_match ('/unix/i ', $OS)) {$OS = ' Unix '; } elseif (Preg_match ('/bsd/i ', $OS)) {$OS =' BSD ';           } else {$OS = ' other ';       } return $OS;                } function GetIP () {if (!empty ($_server[' http_client_ip ')) {//If the variable is a non-null or nonzero value, empty () returns FALSE.           $IP = Explode (', ', $_server[' http_client_ip '); } elseif (!empty ($_server[' http_x_forwarded_for ')) {$IP = explode (', ', $_server[' http_x_forwarded           _for ']);           } elseif (!empty ($_server[' remote_addr ')) {$IP = explode (', ', $_server[' remote_addr '));           } else {$IP [0] = ' None ';       } return $IP [0];           } Private Function Getaddisp () {$IP = $this->getip (); $ADDISP = mb_convert_encoding (file_get_contents (' http://open.baidu.com/ipsearch/s?tn=ipjson&wd= '. $IP), '           UTF-8 ', ' GBK ');           Mb_convert_encoding () converts the character encoding.           if (Preg_match ('/noresult/i ', $AddIsp)) {$AddIsp = ' None ';  }         else {$Sta = Stripos ($ADDISP, $IP) + strlen ($IP) + strlen (' from ');               $Len = Stripos ($AddIsp, ' "} ')-$Sta;           $ADDISP = substr ($ADDISP, $Sta, $Len);           } $ADDISP = Explode (' ', $ADDISP);       return $ADDISP;           } function Getadd () {$Add = $this->getaddisp ();       return $ADD [0];           } function Getisp () {$Isp = $this->getaddisp ();           if ($Isp [0]! = ' None ' && isset ($Isp [1])) {$Isp = $ISP [1];           } else {$Isp = ' None ';       } return $ISP;   }}?>

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