Use PHP to determine browser type and language function code _php tips

We often see some websites that show you the type of browser you are using and the language you are using, for example, the browser you are using is IE6 and traditional. It doesn't look very flashy.

In fact, such a function is not difficult to achieve, nothing more than to judge the type of browser and language, if the use of JS to do should be very simple, here we see how to use PHP to achieve such a function, since it is in the judgment, you can use the conditional statement of PHP if. Else to judge the implementation.

To determine the browser type:

<?php echo $_server["Http_user_agent"];?>

To determine the browser language:

<?php echo $_server["Http_accept_language"];?>

The specific procedures for determining the browser type are as follows:

Copy Code code as follows:

<?php
if (Strpos ($_server["Http_user_agent"], "MSIE 8.0"))
echo "Internet Explorer 8.0";
else if (Strpos ($_server["Http_user_agent"], "MSIE 7.0"))
echo "Internet Explorer 7.0";
else if (Strpos ($_server["Http_user_agent"], "MSIE 6.0"))
echo "Internet Explorer 6.0";
else if (Strpos ($_server["Http_user_agent"], "FIREFOX/3"))
echo "Firefox 3";
else if (Strpos ($_server["Http_user_agent"], "FIREFOX/2"))
echo "Firefox 2";
else if (Strpos ($_server["Http_user_agent"], "Chrome")
echo "Google Chrome";
else if (Strpos ($_server["Http_user_agent"], "Safari")
echo "Safari";
else if (Strpos ($_server["Http_user_agent"], "Opera")
echo "Opera";
else echo $_server["Http_user_agent"];
?>

the specific procedures for determining the browser language are as follows:

Copy Code code as follows:

<?php
$lang = substr ($_server[' http_accept_language '), 0, 4); Take only the first 4 digits, so you only judge the most preferred language. If take the first 5 digits, may appear the en,zh situation, affects the judgment.
if (Preg_match ("/zh-c/i", $lang))
echo "Simplified Chinese";
else if (Preg_match ("/zh/i", $lang))
echo "Traditional Chinese";
else if (Preg_match ("/en/i", $lang))
echo "中文版";
else if (Preg_match ("/fr/i", $lang))
echo "French";
else if (Preg_match ("/de/i", $lang))
echo "German";
else if (Preg_match ("/jp/i", $lang))
echo "Japanese";
else if (Preg_match ("/ko/i", $lang))
echo "Korean";
else if (Preg_match ("/es/i", $lang))
echo "Spanish";
else if (Preg_match ("/sv/i", $lang))
echo "Swedish";
else echo $_server["Http_accept_language"];
?>

Summary: To judge the browser type is mainly by analyzing _server["http_user_agent"] content, and analysis browser language is the analysis of _server["Http_accept_language"].

Principle: Because the browser will send some content (browser type, language) that contains its own information when it connects with the server. So here we're mainly analyzing _server["http_user_agent" (browser type) and _server["Http_accept_language" (browser language). All we have to do is read the content and then use the Strpos or Preg_match function to compare it, according to the design of the program we can also design a more beautiful page out.