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Copy Source | Copy HTML- function browser_info($agent=null) {
- // Declare known browsers to look for
- $known = array('msie', 'firefox', 'safari', 'webkit', 'opera', 'netscape',
- 'konqueror', 'gecko');
-
- // Clean up agent and build regex that matches phrases for known browsers
- // (e.g. "Firefox/2.0" or "MSIE 6.0" (This only matches the major and minor
- // version numbers. E.g. "2.0.0.6" is parsed as simply "2.0"
- $agent = strtolower($agent ? $agent : $_SERVER['HTTP_USER_AGENT']);
- $pattern = '#(?<browser>' . join('|', $known) .
- ')[/ ]+(?<version>[0-9]+(?:\.[0-9]+)?)#';
-
- // Find all phrases (or return empty array if none found)
- if (!preg_match_all($pattern, $agent, $matches)) return array();
-
- // Since some UAs have more than one phrase (e.g Firefox has a Gecko phrase,
- // Opera 7,8 have a MSIE phrase), use the last one found (the right-most one
- // in the UA). That's usually the most correct.
- $i = count($matches['browser'])-1;
- return array($matches['browser'][$i] => $matches['version'][$i]);
- }
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