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how to Detect mobile browser?


I have a site and I want to detect which browser is used and redirect them. I have a php index and the code must be in php. I've found many sites but they don't work or they don't detect many mobile browsers. Do you know of any good code or tutorials that can detect many mobile browsers?


asked May 26, 2015 in PHP by rajesh
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1 Answer

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Have my user agent code:


/* USER-AGENTS
================================================== */
function check_user_agent ( $type = NULL ) {
        $user_agent = strtolower ( $_SERVER['HTTP_USER_AGENT'] );
        if ( $type == 'bot' ) {
                // matches popular bots
                if ( preg_match ( "/googlebot|adsbot|yahooseeker|yahoobot|msnbot|watchmouse|pingdom\.com|feedfetcher-google/", $user_agent ) ) {
                        return true;
                        // watchmouse|pingdom\.com are "uptime services"
                }
        } else if ( $type == 'browser' ) {
                // matches core browser types
                if ( preg_match ( "/mozilla\/|opera\//", $user_agent ) ) {
                        return true;
                }
        } else if ( $type == 'mobile' ) {
                // matches popular mobile devices that have small screens and/or touch inputs
                // mobile devices have regional trends; some of these will have varying popularity in Europe, Asia, and America
                // detailed demographics are unknown, and South America, the Pacific Islands, and Africa trends might not be represented, here
                if ( preg_match ( "/phone|iphone|itouch|ipod|symbian|android|htc_|htc-|palmos|blackberry|opera mini|iemobile|windows ce|nokia|fennec|hiptop|kindle|mot |mot-|webos\/|samsung|sonyericsson|^sie-|nintendo/", $user_agent ) ) {
                        // these are the most common
                        return true;
                } else if ( preg_match ( "/mobile|pda;|avantgo|eudoraweb|minimo|netfront|brew|teleca|lg;|lge |wap;| wap /", $user_agent ) ) {
                        // these are less common, and might not be worth checking
                        return true;
                }
        }
        return false;
}

?>
How to use:

$ismobile = check_user_agent('mobile');
if($ismobile) {
return 'yes';
} else {
return 'no';
}
?>
answered May 26, 2015 by rajesh

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