+ function getOS() {
+ if (!isset($this->uadata['os'])) {
+ $this->uadata['os'] = null;
+ if ($this->hasEngine('gecko')) {
+ if (preg_match('|Mozilla/5.0 \(([^;]+); U; ([^;]+); ([^;]+); rv:([^\);]+)\)|', $this->uastring, $regs)) {
+ $this->uadata['os'] = $regs[2];
+ $this->uadata['lang'] = $regs[3];
+ $this->uadata['eng_version'] = $regs[4];
+ }
+ elseif (preg_match('|Mozilla/5.0 \(([^;]+); U; ([^;]+); ([^;]+); m([^\);]+)\)|', $this->uastring, $regs)) {
+ $this->uadata['os'] = $regs[2];
+ $this->uadata['lang'] = $regs[3];
+ $this->uadata['eng_version'] = 'M'.$regs[4];
+ }
+ elseif (preg_match('|Mozilla/5.0 \(([^;]+); U; ([^\);]+)\)|', $this->uastring, $regs)) {
+ $this->uadata['os'] = $regs[2];
+ $this->uadata['lang'] = null;
+ $this->uadata['eng_version'] = null;
+ }
+ elseif (preg_match('|Mozilla/5.0 Galeon/[^\(]+ \(([^;]+); ([^;]+);[^\)]+\)|', $this->uastring, $regs)) {
+ $this->uadata['os'] = $regs[2];
+ $this->uadata['lang'] = null;
+ $this->uadata['eng_version'] = null;
+ }
+ elseif (preg_match('|Debian/|', $this->uastring, $regs)) {
+ $this->uadata['os'] = 'Debian Linux';
+ $this->uadata['lang'] = null;
+ $this->uadata['eng_version'] = null;
+ }
+ }
+ elseif ($this->hasEngine('trident')) {
+ if (preg_match('/Mozilla\/[^\(]+ \(compatible; MSIE ([^;]+); [^\)]*((?:Mac|Win)[^;]+)[^\)]*\)/i', $this->uastring, $regs)) {
+ $this->uadata['eng_version'] = $regs[1];
+ $this->uadata['os'] = $regs[2];
+ $this->uadata['lang'] = null;
+ }
+ elseif (preg_match('/Mozilla\/[^\(]+ \(compatible; MSIE ([^;]+)[^\)]*\)/i', $this->uastring, $regs)) {
+ $this->uadata['eng_version'] = $regs[1];
+ $this->uadata['os'] = null;
+ $this->uadata['lang'] = null;
+ }
+ }
+ elseif ($this->hasEngine('khtml')) {
+ if (preg_match('/Mozilla\/[^\(]+ \(compatible; Konqueror\/([^;]+); ([^;]+); ([^;]+); ([^;]+); ([^\);]+)\)/i', $this->uastring, $regs)) {
+ $this->uadata['eng_version'] = $regs[1];
+ $this->uadata['os'] = $regs[2];
+ $this->uadata['lang'] = $regs[5];
+ }
+ elseif (preg_match('/Mozilla\/[^\(]+ \(compatible; Konqueror\/([^;]+); ([^\);]+)([^\)]+)\)/i', $this->uastring, $regs)) {
+ $this->uadata['eng_version'] = $regs[1];
+ $this->uadata['os'] = $regs[2];
+ $this->uadata['lang'] = null;
+ }
+ elseif (preg_match('|Mozilla/5.0 \(([^;]+); U; ([^;]+); ([^\);]+)\)|', $this->uastring, $regs)) {
+ $this->uadata['os'] = $regs[2];
+ $this->uadata['lang'] = $regs[3];
+ $this->uadata['eng_version'] = null;
+ }
+ elseif (preg_match('/Mozilla\/[^\(]+ \(compatible; [^;]+; ([^\);]+)\)/i', $this->uastring, $regs)) {
+ $this->uadata['os'] = $regs[1];
+ $this->uadata['lang'] = null;
+ $this->uadata['eng_version'] = null;
+ }
+ }
+ elseif ($this->hasEngine('presto')) {
+ if (preg_match('/Opera\/[^\(]+ \(([^;]+)[^\)]+\) +\[([a-z_-]+)\]/i', $this->uastring, $regs)) {
+ $this->uadata['eng_version'] = $this->getVersion();
+ $this->uadata['os'] = $regs[1];
+ $this->uadata['lang'] = $regs[2];
+ }
+ elseif (preg_match('/Opera\/[^\(]+ \(([^;]+); [^\)]+; ([a-z_-]+)\)/i', $this->uastring, $regs)) {
+ $this->uadata['eng_version'] = $this->getVersion();
+ $this->uadata['os'] = $regs[1];
+ $this->uadata['lang'] = $regs[2];
+ }
+ elseif (preg_match('/Mozilla\/[^\(]+ \(compatible; [^;]+; ([^;]+)\) Opera [^ ]+ \[([a-z_-]+)\]/i', $this->uastring, $regs)) {
+ $this->uadata['eng_version'] = $this->getVersion();
+ $this->uadata['os'] = $regs[1];
+ $this->uadata['lang'] = $regs[2];
+ }
+ }
+ elseif ($this->hasEngine('nscp')) {
+ if (preg_match('/Mozilla\/([0-9a-zA-Z\.+]+) \[([a-z_-]+)\] \(([^;]+); [^\)]+\)/i', $this->uastring, $regs)) {
+ $this->uadata['eng_version'] = $regs[1];
+ $this->uadata['os'] = $regs[3];
+ $this->uadata['lang'] = $regs[2];
+ }