public static function init()
{
self::$ua = strtolower($_SERVER['HTTP_USER_AGENT']);
if (!empty($_SESSION['CLIENT']['name'])) {
self::$name = $_SESSION['CLIENT']['name'];
self::$version = (int) $_SESSION['CLIENT']['version'];
return;
}
/*
* maemo, epiphany, flock and galeon have "firefox" in their UA
* chimera is an on old name of camino
* cheshire, midori, omniweb, shiira and sunrise have "safari" in their UA
* We don't detect MyIE2, AOL and America Online branded versions of MSIE
* Sylera is a Japanese Gecko based browser
*/
if (preg_match('#(crazy|maxthon|avant|webtv|ubvision|slimbrowser|slimbrowser)#', self::$ua, $match) || preg_match('#(elinks|opera|shiira|devontech|ibrowse|icab|conkeror|chimera|classilla|gnuzilla)#', self::$ua, $match) || preg_match('#(maemo|epiphany|flock|galeon|cheshire|midori|omniweb|swiftfox|iceweasel|swiftweasel)#', self::$ua, $match) || preg_match('#(konqueror|voyager|links|lynx|w3m|dillo|netscape|thunderbird|camino|seamonkey|linspire|multizilla|k\\-meleon|kazehakase|minimo)#', self::$ua, $match) || preg_match('#(chrome|safari|firefox)/([0-9]+(\\.[0-9]+)?)#', self::$ua, $match) || preg_match('#(msie) (1?[0-9](\\.[0-9])?)#', self::$ua, $match) || preg_match('#(webwasher)#', self::$ua, $match)) {
if ('ubvision' === $match[1]) {
$match[1] = 'ultrabrowser';
}
self::$name = $match[1];
if (isset($match[2])) {
self::$version = intval($match[2]);
}
if (('opera' === self::$name || 'safari' === self::$name) && preg_match('#version/([0-9]+(\\.[0-9]+)?)#', self::$ua, $match)) {
self::$version = floatval($match[1]);
}
} else {
if (preg_match('#(firebird|phoenix|bonecho|granparadiso|minefield|shiretoko)[\\/ ]([0-9]+(\\.[0-9]+)?)#', self::$ua)) {
self::$name = 'firefox';
} else {
if (preg_match('#^mozilla/5.+gecko/200#', self::$ua)) {
self::$name = 'mozilla';
}
}
}
$_SESSION['CLIENT']['name'] = self::$name;
$_SESSION['CLIENT']['version'] = self::$version;
}
