PHP How to get the user browser version _php tutorial

How PHP Gets the user browser version

This article mainly introduces PHP to get the user browser version of the method, you can use $_server[' http_user_agent '] to obtain user information, is very practical skills, the need for friends can refer to the next

The example in this article describes how PHP gets the user browser version. Share to everyone for your reference. The specific analysis is as follows:

In PHP we have a global variable $_server[' http_user_agent '], we can get all the information of the user, we have to be processed to determine what kind of user browser, the following function can be accurate user browser version number code.

The code is as follows:

function Getbrowse ()
{
$agent = $_server[' http_user_agent ');
$browser = ";
$browserver = ";
$browser = Array (' Lynx ', ' mosaic ', ' AOL ', ' opera ', ' Java ', ' Macweb ', ' webexplorer ', ' omniweb ');
for ($i = 0; $i <= 7; $i + +) {
if (Strpos ($agent, $browsers [$i])) {
$browser = $browsers [$i];
$browserver = ";
}
}
if (Ereg (' Mozilla ', $agent) &&!ereg (' Msie ', $agent)) {
$temp = Explode (' (', $agent);
$part = $temp [0];
$temp = explode ('/', $part);
$browserver = $temp [1];
$temp = Explode (' ', $browserver);
$browserver = $temp [0];
$browserver = Preg_replace ('/([D.] +)/', ' \1 ', $browserver);
$browserver = $browserver;
$browser = ' Netscape Navigator ';
}
if (Ereg (' Mozilla ', $agent) && ereg (' opera ', $agent)) {
$temp = Explode (' (', $agent);
$part = $temp [1];
$temp = Explode (') ', $part);
$browserver = $temp [1];
$temp = Explode (' ', $browserver);
$browserver = $temp [2];
$browserver = Preg_replace ('/([D.] +)/', ' \1 ', $browserver);
$browserver = $browserver;
$browser = ' opera ';
}
if (Ereg (' Mozilla ', $agent) && ereg (' Msie ', $agent)) {
$temp = Explode (' (', $agent);
$part = $temp [1];
$temp = explode ('; ', $part);
$part = $temp [1];
$temp = Explode (' ', $part);
$browserver = $temp [2];
$browserver = Preg_replace ('/([D.] +)/', ' \1 ', $browserver);
$browserver = $browserver;
$browser = ' Internet Explorer ';
}
if ($browser! = ") {
$browseinfo = $browser. ' '. $browserver;
} else {
$browseinfo = false;
}
return $browseinfo;
}
Application method

In IE
Echo Getbrowse (); Internet Explorer 6.0
In Firefox
Echo Getbrowse ();//netscape Navigator 5.0

I hope this article is helpful to everyone's PHP programming.

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