static function detect($ua = null)
{
$ua = $ua ? str::lower($ua) : str::lower(server::get('http_user_agent'));
// don't do the detection twice
if (self::$ua == $ua) {
return array('name' => self::$name, 'engine' => self::$engine, 'version' => self::$version, 'platform' => self::$platform, 'agent' => self::$ua, 'mobile' => self::$mobile, 'iphone' => self::$iphone, 'ios' => self::$ios);
}
self::$ua = $ua;
self::$name = false;
self::$engine = false;
self::$version = false;
self::$platform = false;
// browser
if (!preg_match('/opera|webtv/i', self::$ua) && preg_match('/msie\\s(\\d)/', self::$ua, $array)) {
self::$version = $array[1];
self::$name = 'ie';
self::$engine = 'trident';
} else {
if (strstr(self::$ua, 'firefox/3.6')) {
self::$version = 3.6;
self::$name = 'fx';
self::$engine = 'gecko';
} else {
if (strstr(self::$ua, 'firefox/3.5')) {
self::$version = 3.5;
self::$name = 'fx';
self::$engine = 'gecko';
} else {
if (preg_match('/firefox\\/(\\d+)/i', self::$ua, $array)) {
self::$version = $array[1];
self::$name = 'fx';
self::$engine = 'gecko';
} else {
if (preg_match('/opera(\\s|\\/)(\\d+)/', self::$ua, $array)) {
self::$engine = 'presto';
self::$name = 'opera';
self::$version = $array[2];
} else {
if (strstr(self::$ua, 'konqueror')) {
self::$name = 'konqueror';
self::$engine = 'webkit';
} else {
if (strstr(self::$ua, 'iron')) {
self::$name = 'iron';
self::$engine = 'webkit';
} else {
if (strstr(self::$ua, 'chrome')) {
self::$name = 'chrome';
self::$engine = 'webkit';
if (preg_match('/chrome\\/(\\d+)/i', self::$ua, $array)) {
self::$version = $array[1];
}
} else {
if (strstr(self::$ua, 'applewebkit/')) {
self::$name = 'safari';
self::$engine = 'webkit';
if (preg_match('/version\\/(\\d+)/i', self::$ua, $array)) {
self::$version = $array[1];
}
} else {
if (strstr(self::$ua, 'mozilla/')) {
self::$engine = 'gecko';
self::$name = 'fx';
}
}
}
}
}
}
}
}
}
}
// platform
if (strstr(self::$ua, 'j2me')) {
self::$platform = 'mobile';
} else {
if (strstr(self::$ua, 'iphone')) {
self::$platform = 'iphone';
} else {
if (strstr(self::$ua, 'ipod')) {
self::$platform = 'ipod';
} else {
if (strstr(self::$ua, 'ipad')) {
self::$platform = 'ipad';
} else {
if (strstr(self::$ua, 'mac')) {
self::$platform = 'mac';
} else {
if (strstr(self::$ua, 'darwin')) {
self::$platform = 'mac';
} else {
if (strstr(self::$ua, 'webtv')) {
self::$platform = 'webtv';
} else {
if (strstr(self::$ua, 'win')) {
self::$platform = 'win';
} else {
if (strstr(self::$ua, 'freebsd')) {
self::$platform = 'freebsd';
} else {
if (strstr(self::$ua, 'x11') || strstr(self::$ua, 'linux')) {
self::$platform = 'linux';
}
}
}
}
}
}
}
}
}
}
self::$mobile = self::$platform == 'mobile' ? true : false;
self::$iphone = in_array(self::$platform, array('ipod', 'iphone')) ? true : false;
self::$ios = in_array(self::$platform, array('ipod', 'iphone', 'ipad')) ? true : false;
return array('name' => self::$name, 'engine' => self::$engine, 'version' => self::$version, 'platform' => self::$platform, 'agent' => self::$ua, 'mobile' => self::$mobile, 'iphone' => self::$iphone, 'ios' => self::$ios);
}