How To Detect Browser in PHP
Browser detection
To detect our client browser use server super global array. Let us see the example of browser detection.
Browser detection example
<?php
$detail = $_SERVER['HTTP_USER_AGENT'];
function browser()
{
global $detail;
$browser = "Error occur";
$brows_a = array
(
'/safari/i' => 'Safari',
'/firefox/i' => 'Mogilla Firefox',
'/msie/i' => 'Internet Explorer',
'/chrome/i' => 'Google Chrome',
'/opera/i' => 'Opera',
'/netscape/i' => 'Netscape',
'/maxthon/i' => 'Maxthon',
'/konqueror/i' => 'Konqueror',
'/mobile/i' => 'Handheld Browser'
);
foreach ($brows_a as $key => $value)
{
if (preg_match($key, $detail)) {
$browser = $value;
}
}
return $browser;
}
$user_browser = browser();
echo "Browser:" .$user_browser;
?>
- Example
- Run
Explanation
In this example User-Agent information stored in the variable $detail. (Contents of the User-Agent: header from the current request, if there is one. This is a string denoting the user agent being which is accessing the page.)
Example: Mozilla/5.0 (Windows NT 6.2; Win64; x64; rv:33.0) Gecko/20100101 Firefox/33.0WINNT
Create a function and in the function create a variable and store the string like, not found or error and then create an array and store key and value like that.
In this function create a foreach loop and check the $detail variable to the given array and assign the browser at last call browser function in a variable and print this variable.
$_SERVER super global array
<?php
echo("
".$_SERVER['HTTP_USER_AGENT']."");
?>
- Example
- Run
Explanation
In this example, we use server variable to print all the details like running operating system, browser etc.
