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UserAgentParser.php
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UserAgentParser.php
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<?php
/**
* Parses a user agent string into its important parts
*
* @author Jesse G. Donat <donatj@gmail.com>
*
* @link https://github.com/donatj/PhpUserAgent
* @link http://donatstudios.com/PHP-Parser-HTTP_USER_AGENT
*
* @param string|null $u_agent User agent string to parse or null. Uses $_SERVER['HTTP_USER_AGENT'] on NULL
* @throws \InvalidArgumentException on not having a proper user agent to parse.
* @return string[] an array with browser, version and platform keys
*/
namespace Framework\Libraries;
class UserAgentParser {
public static function parse($u_agent = null) {
if (null === $u_agent) {
if (isset($_SERVER['HTTP_USER_AGENT'])) {
$u_agent = $_SERVER['HTTP_USER_AGENT'];
} else {
throw new \InvalidArgumentException('parse_user_agent requires a user agent');
}
}
$platform = null;
$browser = null;
$version = null;
$empty = array('platform' => $platform, 'browser' => $browser, 'version' => $version);
if ( ! $u_agent) {
return $empty;
}
if (preg_match('/\((.*?)\)/m', $u_agent, $parent_matches)) {
preg_match_all('/(?P<platform>BB\d+;|Android|CrOS|Tizen|iPhone|iPad|iPod|Linux|(Open|Net|Free)BSD|Macintosh|Windows(\ Phone)?|Silk|linux-gnu|BlackBerry|PlayBook|X11|(New\ )?Nintendo\ (WiiU?|3?DS|Switch)|Xbox(\ One)?)
(?:\ [^;]*)?
(?:;|$)/imx', $parent_matches[1], $result);
$priority = array('Xbox One', 'Xbox', 'Windows Phone', 'Tizen', 'Android', 'FreeBSD', 'NetBSD', 'OpenBSD', 'CrOS', 'X11');
$result['platform'] = array_unique($result['platform']);
if (count($result['platform']) > 1) {
if ($keys = array_intersect($priority, $result['platform'])) {
$platform = reset($keys);
} else {
$platform = $result['platform'][0];
}
} else if (isset($result['platform'][0])) {
$platform = $result['platform'][0];
}
}
if ('linux-gnu' == $platform || 'X11' == $platform) {
$platform = 'Linux';
} else if ('CrOS' == $platform) {
$platform = 'Chrome OS';
}
preg_match_all('%(?P<browser>Camino|Kindle(\ Fire)?|Firefox|Iceweasel|IceCat|Safari|MSIE|Trident|AppleWebKit|
TizenBrowser|(?:Headless)?Chrome|YaBrowser|Vivaldi|IEMobile|Opera|OPR|Silk|Midori|Edge|CriOS|UCBrowser|Puffin|OculusBrowser|SamsungBrowser|
Baiduspider|Googlebot|YandexBot|bingbot|Lynx|Version|Wget|curl|
Valve\ Steam\ Tenfoot|
NintendoBrowser|PLAYSTATION\ (\d|Vita)+)
(?:\)?;?)
(?:(?:[:/ ])(?P<version>[0-9A-Z.]+)|/(?:[A-Z]*))%ix',
$u_agent, $result);
// If nothing matched, return null (to avoid undefined index errors)
if ( ! isset($result['browser'][0]) || ! isset($result['version'][0])) {
if (preg_match('%^(?!Mozilla)(?P<browser>[A-Z0-9\-]+)(/(?P<version>[0-9A-Z.]+))?%ix', $u_agent, $result)) {
return array('platform' => $platform ?: null, 'browser' => $result['browser'], 'version' => isset($result['version']) ? $result['version'] ?: null: null);
}
return $empty;
}
if (preg_match('/rv:(?P<version>[0-9A-Z.]+)/i', $u_agent, $rv_result)) {
$rv_result = $rv_result['version'];
}
$browser = $result['browser'][0];
$version = $result['version'][0];
$lowerBrowser = array_map('strtolower', $result['browser']);
$find = function ($search, &$key, &$value = null) use ($lowerBrowser) {
$search = (array) $search;
foreach ($search as $val) {
$xkey = array_search(strtolower($val), $lowerBrowser);
if (false !== $xkey) {
$value = $val;
$key = $xkey;
return true;
}
}
return false;
};
$key = 0;
$val = '';
if ('Iceweasel' == $browser || strtolower($browser) == 'icecat') {
$browser = 'Firefox';
} else if ($find('Playstation Vita', $key)) {
$platform = 'PlayStation Vita';
$browser = 'Browser';
} else if ($find(array('Kindle Fire', 'Silk'), $key, $val)) {
$browser = 'Silk' == $val ? 'Silk' : 'Kindle';
$platform = 'Kindle Fire';
if ( ! ($version = $result['version'][$key]) || ! is_numeric($version[0])) {
$version = $result['version'][array_search('Version', $result['browser'])];
}
} else if ($find('NintendoBrowser', $key) || 'Nintendo 3DS' == $platform) {
$browser = 'NintendoBrowser';
$version = $result['version'][$key];
} else if ($find('Kindle', $key, $platform)) {
$browser = $result['browser'][$key];
$version = $result['version'][$key];
} else if ($find('OPR', $key)) {
$browser = 'Opera Next';
$version = $result['version'][$key];
} else if ($find('Opera', $key, $browser)) {
$find('Version', $key);
$version = $result['version'][$key];
} else if ($find('Puffin', $key, $browser)) {
$version = $result['version'][$key];
if (strlen($version) > 3) {
$part = substr($version, -2);
if (ctype_upper($part)) {
$version = substr($version, 0, -2);
$flags = array('IP' => 'iPhone', 'IT' => 'iPad', 'AP' => 'Android', 'AT' => 'Android', 'WP' => 'Windows Phone', 'WT' => 'Windows');
if (isset($flags[$part])) {
$platform = $flags[$part];
}
}
}
} else if ($find('YaBrowser', $key, $browser)) {
$browser = 'Yandex';
$version = $result['version'][$key];
} else if ($find(array('IEMobile', 'Edge', 'Midori', 'Vivaldi', 'OculusBrowser', 'SamsungBrowser', 'Valve Steam Tenfoot', 'Chrome', 'HeadlessChrome'), $key, $browser)) {
$version = $result['version'][$key];
} else if ($rv_result && $find('Trident', $key)) {
$browser = 'MSIE';
$version = $rv_result;
} else if ($find('UCBrowser', $key)) {
$browser = 'UC Browser';
$version = $result['version'][$key];
} else if ($find('CriOS', $key)) {
$browser = 'Chrome';
$version = $result['version'][$key];
} else if ('AppleWebKit' == $browser) {
if ('Android' == $platform) {
// $key = 0;
$browser = 'Android Browser';
} else if (strpos($platform, 'BB') === 0) {
$browser = 'BlackBerry Browser';
$platform = 'BlackBerry';
} else if ('BlackBerry' == $platform || 'PlayBook' == $platform) {
$browser = 'BlackBerry Browser';
} else {
$find('Safari', $key, $browser) || $find('TizenBrowser', $key, $browser);
}
$find('Version', $key);
$version = $result['version'][$key];
} else if ($pKey = preg_grep('/playstation \d/', array_map('strtolower', $result['browser']))) {
$pKey = reset($pKey);
$platform = 'PlayStation ' . preg_replace('/\D/', '', $pKey);
$browser = 'NetFront';
}
return array('platform' => $platform ?: null, 'browser' => $browser ?: null, 'version' => $version ?: null);
}
}