[ PHP ] 브라우저 정보 가져오기 - Stackoverflow

<?

function get_useragent_info($ua)

{

$ua = is_null($ua) ? $_SERVER['HTTP_USER_AGENT'] : $ua;

// Enumerate all common platforms, this is usually placed in braces (order is important! First come first serve..)

$platforms = "Windows|iPad|iPhone|Macintosh|Android|BlackBerry";

// All browsers except MSIE/Trident and..

// NOT for browsers that use this syntax: Version/0.xx Browsername

$browsers = "Firefox|Chrome";

// Specifically for browsers that use this syntax: Version/0.xx Browername

$browsers_v = "Safari|Mobile"; // Mobile is mentioned in Android and BlackBerry UA's

// Fill in your most common engines..

$engines = "Gecko|Trident|Webkit|Presto";

// Regex the crap out of the user agent, making multiple selections and..

$regex_pat = "/((Mozilla)\/[\d\.]+|(Opera)\/[\d\.]+)\s\(.*?((MSIE)\s([\d\.]+).*?(Windows)|({$platforms})).*?\s.*?({$engines})[\/\s]+[\d\.]+(\;\srv\:([\d\.]+)|.*?).*?(Version[\/\s]([\d\.]+)(.*?({$browsers_v})|$)|(({$browsers})[\/\s]+([\d\.]+))|$).*/i";

// .. placing them in this order, delimited by |

$replace_pat = '$7$8|$2$3|$9|${17}${15}$5$3|${18}${13}$6${11}';

// Run the preg_replace .. and explode on |

$ua_array = explode("|",preg_replace($regex_pat, $replace_pat, $ua, PREG_PATTERN_ORDER));

if (count($ua_array)>1)

{

$return['platform']  = $ua_array[0];  // Windows / iPad / MacOS / BlackBerry

$return['type']      = $ua_array[1];  // Mozilla / Opera etc.

$return['renderer']  = $ua_array[2];  // WebKit / Presto / Trident / Gecko etc.

$return['browser']   = $ua_array[3];  // Chrome / Safari / MSIE / Firefox

/*

   Not necessary but this will filter out Chromes ridiculously long version

   numbers 31.0.1234.122 becomes 31.0, while a "normal" 3 digit version number

   like 10.2.1 would stay 10.2.1, 11.0 stays 11.0. Non-match stays what it is.

*/

if (preg_match("/^[\d]+\.[\d]+(?:\.[\d]{0,2}$)?/",$ua_array[4],$matches))

{

$return['version'] = $matches[0];

}

else

{

$return['version'] = $ua_array[4];

}

}

else

{

/*

   Unknown browser..

   This could be a deal breaker for you but I use this to actually keep old

   browsers out of my application, users are told to download a compatible

   browser (99% of modern browsers are compatible. You can also ignore my error

   but then there is no guarantee that the application will work and thus

   no need to report debugging data.

 */

return false;

}

// Replace some browsernames e.g. MSIE -> Internet Explorer

switch(strtolower($return['browser']))

{

case "msie":

case "trident":

$return['browser'] = "Internet Explorer";

break;

case "": // IE 11 is a steamy turd (thanks Microsoft...)

if (strtolower($return['renderer']) == "trident")

{

$return['browser'] = "Internet Explorer";

}

break;

}

switch(strtolower($return['platform']))

{

case "android":    // These browsers claim to be Safari but are BB Mobile

case "blackberry": // and Android Mobile

if ($return['browser'] =="Safari" || $return['browser'] == "Mobile" || $return['browser'] == "")

{

$return['browser'] = "{$return['platform']} mobile";

}

break;

}

return $return;

}

?>

출처 : Stackoverflow(http://stackoverflow.com/questions/18818362/php-browser-version-number-user-agent-with-version-x-x-x-safari-opera)